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Animal Sciences

Kansas State University Libraries

Journal

2011

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Articles 1 - 30 of 70

Full-Text Articles in Life Sciences

Voluntary Intake Of Prairie Hay Contaminated With Sericea Lespedeza (Lespedeza Cuneata) By Beef Cows, G.J. Eckerle, L.A. Pacheco, K. C. Olson, John R. Jaeger Jan 2011

Voluntary Intake Of Prairie Hay Contaminated With Sericea Lespedeza (Lespedeza Cuneata) By Beef Cows, G.J. Eckerle, L.A. Pacheco, K. C. Olson, John R. Jaeger

Kansas Agricultural Experiment Station Research Reports

Sericea lespedeza (Lespedeza cuneata) is a noxious weed that infests approximately 600,000 acres of native tallgrass range in the Kansas Flint Hills. Intake of sericea lespedeza by grazing beef cattle is poor due to the presence of condensed tannins in the plant. Condensed tannins reduce protein digestion by beef cattle and may decrease plant palatability because of their astringence. Prolific seed production, in combination with little or no grazing pressure, has contributed to the rapid spread of sericea lespedeza in the Flint Hills. Increasing grazing pressure on sericea lespedeza may reduce seed production and slow its invasion; however, the difficulties …

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Evaluation Of Ractopamine Hcl Feeding Programs On Growth Performance And Carcass Characteristics Of Finishing Pigs (2011), W Ying, Joel M. Derouchey, Michael D. Tokach, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz Jan 2011

Evaluation Of Ractopamine Hcl Feeding Programs On Growth Performance And Carcass Characteristics Of Finishing Pigs (2011), W Ying, Joel M. Derouchey, Michael D. Tokach, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 934 barrows and gilts (PIC 337 × 1050, initially 240 lb) were used in a 26-d experiment to evaluate the effect of different Ractopamine HCl (RAC) feeding programs on growth and carcass traits of finishing pigs. Treatments included a basal diet with (1) no RAC for 26 d (control), (2) 7.5 ppm RAC for 26 d (constant), (3) 5 ppm RAC for d 0 to 14 and 10 ppm for d 14 to 26 (step-up), and (4) RAC concentration increased daily from 5 ppm on d 0 to 10 ppm on 26 d by using the FEEDPro …

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Determining The Effects Of Tryptophan:Lysine Ratios In Diets Containing 30% Dried Distillers Grains With Solubles On Growth Performance Of 157- To 285-Lb Pigs (2011), S Nitikanchana, J L. Usry, R D. Boyd, C E. Zier-Rush, M Mcgrath, Michael D. Tokach, Steven S. Dritz Jan 2011

Determining The Effects Of Tryptophan:Lysine Ratios In Diets Containing 30% Dried Distillers Grains With Solubles On Growth Performance Of 157- To 285-Lb Pigs (2011), S Nitikanchana, J L. Usry, R D. Boyd, C E. Zier-Rush, M Mcgrath, Michael D. Tokach, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 2,298 pigs (half gilts and half barrows, PIC TR4 × 1050; initially 157 lb) were used in a 52-d study to determine the effects of increasing tryptophan:lysine ratios in diets containing 30% dried distillers grains with solubles (DDGS) on the growth performance of finishing pigs raised in a commercial environment. Pens of pigs were balanced by initial weight and randomly allotted to 1 of 6 dietary treatments in a completely randomized design within gender; each pen contained 23 pigs and each treatment had 16 to 17 replications. Treatments were arranged as a 2 × 6 factorial with …

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Influence Of Dietary Isoleucine:Lysine Ratio On The Optimal Tryptophan:Lysine Ratio For 13- To 24-Lb Pigs (2011), S Nitikanchana, A L. Chipman, J Usry, J F. Patience, Michael D. Tokach, Steven S. Dritz Jan 2011

Influence Of Dietary Isoleucine:Lysine Ratio On The Optimal Tryptophan:Lysine Ratio For 13- To 24-Lb Pigs (2011), S Nitikanchana, A L. Chipman, J Usry, J F. Patience, Michael D. Tokach, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 475 nursery pigs (initially 13.4 lb and 5 d postweaning) were used to determine the influence of the standardized ileal digestible (SID) isoleucine:lysine ratio on the optimal SID tryptophan:lysine ratio for growth performance of nursery pigs. This experiment was conducted in the all-in, all-out nursery at the Swine Nutrition Farm at Iowa State University. Each treatment had 8 replications with 4 or 5 pigs per pen, with equal numbers of barrows and gilts within block and across treatments. Pens were allotted to 1 of 12 treatments in a randomized complete block design. Treatments were arranged as a …

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Determining The Effect Of The Ratio Of Tryptophan To Large Neutral Amino Acids On The Growth Performance Of Finishing Pigs (2011), S Nitikanchana, J L. Usry, J R. Bergstrom, Michael D. Tokach, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz Jan 2011

Determining The Effect Of The Ratio Of Tryptophan To Large Neutral Amino Acids On The Growth Performance Of Finishing Pigs (2011), S Nitikanchana, J L. Usry, J R. Bergstrom, Michael D. Tokach, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 96 pigs (PIC TR4 × 1050; initially 77.4 lb) were used in 2 14-d studies to determine the effect of standardized ileal digestible (SID) tryptophan to large neutral amino acids (LNAA) ratio on growth performance of finishing pigs. Pens of pigs were balanced by initial weight and randomly allotted to 1 of 4 dietary treatments in a completely randomized design with 4 pigs per pen and 6 replications per treatment. The treatment diets were fed in 2 phases: early finishing phase (77 to 106 lb BW) and late finishing phase (183 to 217 lb BW), with a …

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Effects Of Adding Cracked Corn To A Pelleted Supplement For Nursery And Finishing Pigs (2011), C B. Paulk, Adam C. Fahrenholz, J M. Wilson, D D. Cook, Leland J. Mckinney, J C. Ebert, J J. Ohlde, Jerome C. Nietfeld, Joe D. Hancock, Keith C. Behnke Jan 2011

Effects Of Adding Cracked Corn To A Pelleted Supplement For Nursery And Finishing Pigs (2011), C B. Paulk, Adam C. Fahrenholz, J M. Wilson, D D. Cook, Leland J. Mckinney, J C. Ebert, J J. Ohlde, Jerome C. Nietfeld, Joe D. Hancock, Keith C. Behnke

Kansas Agricultural Experiment Station Research Reports

Three experiments were conducted to determine the effects of supplementing cracked corn into diets of nursery and finishing pigs. In Exp. 1, 144 pigs were used in a 28-d trial. Pigs (PIC TR4 × 1050; initially 16.5 lb) were weaned and allotted with 6 pigs per pen (3 barrows and 3 gilts) and 6 pens per treatment. All pigs were fed a common diet for 7 d postweaning and the experimental diets for the next 28 d. Treatments were corn-soybean meal-based in the form of mash, pellets, and pellets with 100% of the corn either ground (618 μm) or cracked …

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The Effects Of Orally Supplemented Vitamin D3 On Serum 25(Oh)D3 Concentrations And Growth Of Pre-Weaning And Nursery Pigs (2011), J R. Flohr, Michael D. Tokach, Steven C. Henry, M L. Potter, Lisa M. Tokach, J P. Goff, R L. Horst, Jerome C. Nietfeld, D M. Madson, S M. Ensley, J R. Bergstrom, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz Jan 2011

The Effects Of Orally Supplemented Vitamin D3 On Serum 25(Oh)D3 Concentrations And Growth Of Pre-Weaning And Nursery Pigs (2011), J R. Flohr, Michael D. Tokach, Steven C. Henry, M L. Potter, Lisa M. Tokach, J P. Goff, R L. Horst, Jerome C. Nietfeld, D M. Madson, S M. Ensley, J R. Bergstrom, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 270 pigs from 29 litters (PIC 327 × 1050, initially 2 d of age) were used in a 52-d study to determine the effects of oral vitamin D3 supplementation on growth performance, serum 25(OH)D3 concentrations, and bone mineralization of pre- and postweaning pigs. Vitamin D plays an essential role in maintaining proper Ca and P homeostasis within the body of mammals. Because most swine production occurs in environmentally controlled facilities, direct sunlight is no longer a source of vitamin D for the neonatal pig, which could impact bone growth and muscle function. Experimental treatments consisted of 3 …

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Is Aerosol Transmission An Important Risk For Prrsv Transmission? An Example Of How Simple Biosecurity Procedures Can Prevent Virus Spread Within A Barn (2011), B R. Trible, Raymond R. Rowland R Jan 2011

Is Aerosol Transmission An Important Risk For Prrsv Transmission? An Example Of How Simple Biosecurity Procedures Can Prevent Virus Spread Within A Barn (2011), B R. Trible, Raymond R. Rowland R

Kansas Agricultural Experiment Station Research Reports

Understanding the transmission of porcine reproductive and respiratory syndrome virus (PRRSV) is important for developing methods to control and eliminate the virus. In this study, 2 similar experiments were performed involving 10 sentinel pigs main- tained for 42 d in close proximity to 190 pigs experimentally infected with a highly pathogenic PRRSV isolate. All pigs were monitored for PRRSV infection by PCR and serology. In the first experiment, virus transmission to sentinel pigs was detected within 21 d after infection of the source population of pigs. In the second experiment, a small separation distance of 27 ft combined with simple …

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Effects Of Increasing Dietary Wheat Middlings On Nursery Pig Growth Performance (2011), J A. De Jong, Joel M. Derouchey, Michael D. Tokach, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz Jan 2011

Effects Of Increasing Dietary Wheat Middlings On Nursery Pig Growth Performance (2011), J A. De Jong, Joel M. Derouchey, Michael D. Tokach, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 180 nursery pigs (PIC 327 × 1050, initially 25.2 lb BW) were used in a 21-d trial to evaluate the effects of increasing dietary wheat middlings on growth performance. Pens of pigs were balanced by initial BW and were randomly allotted to 1 of 5 dietary treatments with 6 replications per treatment. The 5 corn-soybean meal-based diets contained 0, 5, 10, 15 or 20% wheat middlings. Overall (d 0 to 21), pigs fed increasing wheat middlings had decreased ADG (linear, P<0 .05) and ADFI (linear, P<0 .005), but F/G was not affected by dietary wheat middlings. Despite the linear decrease in ADG and ADFI, the biggest reduction in performance was not observed until wheat middlings increased beyond 15% of the diet. This suggests that in some cases, the slight decrease in ADG with a low inclusion of wheat middlings (<15%) to the diet might be economically justified, so its inclusion needs to be evaluated on an income over feed costs basis.; Swine Day, Manhattan, KS, November 17, 2011

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Effects Of Sodium Salicylate On Productivityof Postpartum Dairy Cows (2011), J.K. Farney, J. Ernest Minton, J.F. Coetzee, Larry C. Hollis Jan 2011

Effects Of Sodium Salicylate On Productivityof Postpartum Dairy Cows (2011), J.K. Farney, J. Ernest Minton, J.F. Coetzee, Larry C. Hollis

Kansas Agricultural Experiment Station Research Reports

Inflammation has been proposed as a contributor to metabolic disorders in transition dairy cows. The purpose of this experiment was to determine whether a non-steroidal anti-inflammatory drug, sodium salicylate (SS), benefits transition cows. At calving, 78 cows (primiparous, n = 39; second lactation, n = 28; ≥3 lactations, n = 11) were assigned alternately to either a control (CON) or SS treatment for 7 days and remained on study until 21 days postpartum. Treatment was administered via individual water bowls at a concentration of 2.5 g/L, delivering a mean of 183 ± 8.5 g/day SS during the 7 days of …

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Effects Of Dietary L-Carnitine And Ddgs On Growth, Carcass Characteristics, And Loin And Fat Quality Of Growing-Finishing Pigs (2011), W Ying, Michael D. Tokach, Steven S. Dritz, Terry A. Houser, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen Jan 2011

Effects Of Dietary L-Carnitine And Ddgs On Growth, Carcass Characteristics, And Loin And Fat Quality Of Growing-Finishing Pigs (2011), W Ying, Michael D. Tokach, Steven S. Dritz, Terry A. Houser, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

A total of 1,104 barrows and gilts (PIC 337 × 1050, initially 80 lb) were used in a 109-d study to evaluate the effects of dietary L-Carnitine and dried distillers grains with solubles (DDGS) on growth, carcass traits, and loin and fat quality. Pigs were blocked by weight and randomly assigned to 1 of 6 treatments with 7 replications per treatment. Treatments were arranged as a 2 × 3 factorial with main effects of added DDGS (0 or 30% in Phases 1, 2, and 3 and 20% in Phase 4) and L-Carnitine (0, 50, or 100 ppm). Dietary treatments were …

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Effects Of Lowering Dietary Ndf Levels Prior To Marketing On Finishing Pig Growth Performance, Carcass Characteristics, Carcass Fat Quality, And Intestinal Weights (2011), M D. Asmus, Michael D. Tokach, Steven S. Dritz, Terry A. Houser, Joel M. Derouchey, Jim L. Nelssen, Robert D. Goodband Jan 2011

Effects Of Lowering Dietary Ndf Levels Prior To Marketing On Finishing Pig Growth Performance, Carcass Characteristics, Carcass Fat Quality, And Intestinal Weights (2011), M D. Asmus, Michael D. Tokach, Steven S. Dritz, Terry A. Houser, Joel M. Derouchey, Jim L. Nelssen, Robert D. Goodband

Kansas Agricultural Experiment Station Research Reports

A total of 264 pigs (PIC 327 × 1050, initially 90.1 lb) were used in a 90-d study to determine the effects of withdrawal of high dietary NDF (provided by wheat middlings [midds] and dried distillers grains with solubles [DDGS]) on growth performance, carcass characteristics, carcass fat quality, and intestinal weights of growing-finishing pigs. Pens of pigs were randomly allotted by initial weight and gender to 1 of 6 dietary treatments with 6 replications per treatment. There were 24 pens with 7 pigs per pen (3 barrows and 4 gilts) and 12 pens with 8 pigs per pen (4 barrows …

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A Prrs Cap Update On The Regional Control And Elimination Of Prrsv (2011), Raymond R. Rowland R Jan 2011

A Prrs Cap Update On The Regional Control And Elimination Of Prrsv (2011), Raymond R. Rowland R

Kansas Agricultural Experiment Station Research Reports

The control and elimination of porcine reproductive and respiratory syndrome virus (PRRSV) represents one of the most challenging tasks facing the swine industry world- wide. Several factors related to the biology of the virus make disease detection and elimination difficult. Efforts are further hampered by a lack of vaccines that can protect naïve herds from infection. With this in mind, elimination efforts that incorporate existing tools and knowledge are being initiated. The principal focus is at the region level. One example of success is the Stevens County project in Minnesota, which has attained a PRRSV-negative status and has been expanded …

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Effect Of Total Lysine:Crude Protein Ratio On Growth Performance Of Nursery Pigs From 15 To 25 Lb (2011), J E. Nemechek, J Usry, Michael D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz Jan 2011

Effect Of Total Lysine:Crude Protein Ratio On Growth Performance Of Nursery Pigs From 15 To 25 Lb (2011), J E. Nemechek, J Usry, Michael D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 282 nursery pigs (PIC TR4 × 1050, initially 15.9 ± 0.15 lb BW and 3 d postweaning) were used in a 28-d growth trial to evaluate the effects of total lysine:CP ratio, using fish meal as a source of non-essential N, on growth performance. Pigs were allotted to 1 of 6 dietary treatments. Each treatment had 5 replications with 7 pigs per pen and 2 replications with 6 pigs per pen. Pigs and feeders were weighed on d 0, 7, 14, 21, and 28 to calculate ADG, ADFI, and F/G. A 2-phase diet series was used with …

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Prostaglandin F2Α And Gnrh Administration Improvedprogesterone Status, Luteal Number, And Proportionof Ovular And Anovular Dairy Cows With Corpora Luteabefore A Timed Artificial Insemination Program (2011), Stephanie Leeann Pulley, H.I. Jr. Mellieon, Jeffrey S. Stevenson Jan 2011

Prostaglandin F2Α And Gnrh Administration Improvedprogesterone Status, Luteal Number, And Proportionof Ovular And Anovular Dairy Cows With Corpora Luteabefore A Timed Artificial Insemination Program (2011), Stephanie Leeann Pulley, H.I. Jr. Mellieon, Jeffrey S. Stevenson

Kansas Agricultural Experiment Station Research Reports

The objective of this research was to increase the proportion of cows with at least 1 functional corpus luteum (CL) and elevated progesterone at the onset of the timed artificial insemination (TAI) program. Postpartum Holstein cows in 1 herd were stratified by lactation number at calving (September 2009 through August 2010) and assigned randomly to 1 of 2 treatments: (1) Presynch-10 (n = 105): two 25-mg injections of prostaglandin F2α(PG) 14 days apart (Presynch); and (2) PG-3-G (n = 105): one 25-mg injection of PG 3 days before 100 μg gonadotropin- releasing hormone (GnRH; Pre-GnRH), with the PG injection administered …

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Nutrient Restriction Does Not Affect Implant Efficacy, T. Lee, Laman K. Mamedova, Benjamin W. Wileman, Daniel U. Thomson, Barry J. Bradford, Christopher D. Reinhardt Jan 2011

Nutrient Restriction Does Not Affect Implant Efficacy, T. Lee, Laman K. Mamedova, Benjamin W. Wileman, Daniel U. Thomson, Barry J. Bradford, Christopher D. Reinhardt

Kansas Agricultural Experiment Station Research Reports

Anabolic implants in finishing beef cattle offer significant return on investment. Anabolic implants improve average daily gain feed efficiency in pasture and feedlot cattle. One way growth-promoting implants stimulate growth is through increasing production of insulin-like growth factor 1. This hormone causes muscle cells to increase their uptake of glucose and amino acids from the bloodstream. Plasma urea nitrogen is a simple measure of the protein nutritional status of animals. If lean growth is stimulated, more feed protein is utilized and retained as body protein, reducing the amount of circulating plasma urea nitrogen. If an animal is stressed and is …

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Evaluation Of The 5- Vs. 7-Day Cidr Program In Dairyheifers Before Timed Artificial Insemination (2011), H.I. Jr. Mellieon, Stephanie Leeann Pulley, G.C. Lamb, J.E. Larson Jan 2011

Evaluation Of The 5- Vs. 7-Day Cidr Program In Dairyheifers Before Timed Artificial Insemination (2011), H.I. Jr. Mellieon, Stephanie Leeann Pulley, G.C. Lamb, J.E. Larson

Kansas Agricultural Experiment Station Research Reports

Our objectives were to determine: (1) the effectiveness of an injection of PGF2αto regress the corpus luteum before initiating an timed artificial insemination (TAI) program, (2) ovulation response to gonadotropin-releasing hormone (GnRH), and (3) pregnancy outcomes in dairy heifers inseminated with conventional and gender-biased semen. Heifers (n = 545) from 3 locations (Florida, Kansas, and Mississippi) were assigned randomly to 1 of 2 treatments: (1) 25-mg prostaglandin F2α(PGF2α) injection and controlled internal drug release (CIDR) insert on day −7 followed by 100 μg of GnRH administered on day −5, and a 25-mg PGF2α injection at CIDR insert removal (7D) on …

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Optimizing A New 5-Day Cidr-Co-Synch Timed Artificial Insemination Program, Jeffrey S. Stevenson, Stephanie Leeann Pulley, H.I. Mellieon, K. C. Olson, Sandra K. Johnson, David M. Grieger, John R. Jaeger, Ryan M. Breiner Jan 2011

Optimizing A New 5-Day Cidr-Co-Synch Timed Artificial Insemination Program, Jeffrey S. Stevenson, Stephanie Leeann Pulley, H.I. Mellieon, K. C. Olson, Sandra K. Johnson, David M. Grieger, John R. Jaeger, Ryan M. Breiner

Kansas Agricultural Experiment Station Research Reports

The 7-day CO-Synch + CIDR protocol is a popular ovulation-synchronization program used by cow-calf producers to facilitate artificial insemination (AI). A progesterone- impregnated controlled internal drug release (CIDR) insert is placed intravaginally and an injection of gonadotropin-releasing hormone (GnRH) is given. After 7 days, prostaglandin F2α(PGF2α) is administered and the CIDR insert is removed. Between 58 and 72 hours after insert removal, cows are inseminated after another injection of GnRH to induce ovulation. Timed AI pregnancy rates generally have ranged from 40 to 60% when suckled cows are treated with the 7-day CO-Synch + CIDR protocol.

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Dietary Sulfur Concentration Has No Effect On In Vitro Fermentative Activity Of Ruminal Mixed Microorganisms, S. Uwituze, Larry C. Hollis, James S. Drouillard Jan 2011

Dietary Sulfur Concentration Has No Effect On In Vitro Fermentative Activity Of Ruminal Mixed Microorganisms, S. Uwituze, Larry C. Hollis, James S. Drouillard

Kansas Agricultural Experiment Station Research Reports

We previously reported that elevated concentrations of dietary sulfur (0.65% sulfur, dry basis) in finishing diets containing dried distillers grains with solubles decreased dry matter intake and average daily gains of feedlot cattle. Furthermore, high dietary sulfur concentrations yielded lower ruminal concentrations of volatile fatty acids, but were associated with increased ruminal ammonia concentrations and improved total tract digestibility of the diet. The objective of this study was to investigate, in culture tubes, effects of added sulfur on in vitro dry matter disappearance, volatile fatty acid profiles, and ammonia concentrations from substrates containing different sulfur concentrations when fermented by mixed …

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Supplementing Dried Distillers Grains With Solubles To Heavy Yearling Stocker Cattle Grazing Native Tallgrass Pastures During Late Summer And Fall Improves Animal Performance And Carcass Characteristics, A. Stickel, Terry A. Houser, K. C. Olson, B. Gerlach, B. Goehring, A. Pacheco, M. Macek, G. Parsons, K. Miller, L.K. Thompson, S. James Jan 2011

Supplementing Dried Distillers Grains With Solubles To Heavy Yearling Stocker Cattle Grazing Native Tallgrass Pastures During Late Summer And Fall Improves Animal Performance And Carcass Characteristics, A. Stickel, Terry A. Houser, K. C. Olson, B. Gerlach, B. Goehring, A. Pacheco, M. Macek, G. Parsons, K. Miller, L.K. Thompson, S. James

Kansas Agricultural Experiment Station Research Reports

Grazing stocker cattle on low-quality forages is a common practice in Kansas; however, animal performance typically is modest. Due to the increasing availability of ethanol co-products, producers may be able to use dried distillers grains with solubles (DDGS) as a protein source to help increase body weight of stocker cattle grazing native tallgrass pastures during the late summer and fall. Therefore, the purpose of this research was to investigate the impact of feeding DDGS to heavy stocker cattle during late summer and fall and to document its effects on animal performance and subsequent carcass characteristics.

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Tenderness And Intramuscular Lipid Of Most Major Muscles From Bos Indicus Cattle Are Less Than Bos Taurus Cattle, C.M. Highfill, O.E. Font, Donald H. Kropf, Michael E. Dikeman Jan 2011

Tenderness And Intramuscular Lipid Of Most Major Muscles From Bos Indicus Cattle Are Less Than Bos Taurus Cattle, C.M. Highfill, O.E. Font, Donald H. Kropf, Michael E. Dikeman

Kansas Agricultural Experiment Station Research Reports

In semitropical climates in the United States, Bos indicus breeds of cattle, primarily the Brahman breed, are utilized in crossbreeding programs with Bos taurus cattle to improve productivity by increasing disease and insect resistance, heat tolerance, heterosis, and additive genetic variation. About 25% of the U.S. beef population contains some Bos indicus breeding. Numerous published reports show that tenderness of ribeye and strip loin steaks and marbling are significantly reduced in Bos indicus straightbred or crossbred cattle compared to most Bos taurus breeds. One very large study reported that heritability of tenderness and marbling is around 0.4, making it a …

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Effect Of Sorghum Dried Distillers Grains With Solubles On Composition, Retail Stability, And Sensory Attributes Of Ground Pork From Barrows And Gilts (2011), G R. Skaar, Terry A. Houser, K M. Sotak, B L. Goehring, A Stickel, B M. Gerlach, K Steele, Robert D. Goodband Jan 2011

Effect Of Sorghum Dried Distillers Grains With Solubles On Composition, Retail Stability, And Sensory Attributes Of Ground Pork From Barrows And Gilts (2011), G R. Skaar, Terry A. Houser, K M. Sotak, B L. Goehring, A Stickel, B M. Gerlach, K Steele, Robert D. Goodband

Kansas Agricultural Experiment Station Research Reports

A total of 288 finishing pigs (PIC TR4 × 1050, initially 129.6 lb) were utilized as part of a 73-d feeding study to determine the effects of sorghum dried distillers grains with solubles (S-DDGS) in sorghum- or corn-based diets on ground pork quality. The dietary treatments included sorghum-based diets with 0, 15, 30, or 45% S-DDGS, a sorghum-based diet with 30% corn DDGS (C-DDGS), and a corn-based diet with 30% C-DDGS. Shoulders from 24 barrow and 24 gilt carcasses were ground, packaged, and evaluated for proximate and fatty acid composition, iodine value (IV), objective color and oxidation shelf-life, and sensory …

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Effects Of Abrupt Changes Between Mash And Pellet Diets On Growth Performance In Finishing Pigs (2011), C B. Paulk, J C. Ebert, J J. Ohlde, Joe D. Hancock Jan 2011

Effects Of Abrupt Changes Between Mash And Pellet Diets On Growth Performance In Finishing Pigs (2011), C B. Paulk, J C. Ebert, J J. Ohlde, Joe D. Hancock

Kansas Agricultural Experiment Station Research Reports

A total of 200 finishing pigs (average initial BW of 132.3 lb) were used in a 58-d growth assay to determine the effects of an abrupt change from mash to pellets and pellets to mash on growth performance and carcass measurements. The experiment was designed as a randomized complete block with 5 pigs per pen and 10 pens per treatment. There were 4 treatments with 2 phases of diets utilized. Treatments were mash to mash, mash to pellets, pellets to mash, and pellets to pellets for Phases 1 and 2 of the experiment. For Phase 1 (d 0 to 36), …

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Effects Of Stocking Density On Lightweight Pig Performance Prior To Marketing (2011), M L. Potter, J R. Bergstrom, Michael D. Tokach, Jim L. Nelssen, Robert D. Goodband, Joel M. Derouchey, Steven S. Dritz Jan 2011

Effects Of Stocking Density On Lightweight Pig Performance Prior To Marketing (2011), M L. Potter, J R. Bergstrom, Michael D. Tokach, Jim L. Nelssen, Robert D. Goodband, Joel M. Derouchey, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 336 finishing gilts (initially 258 lb) were used in a 21-d growth trial to evalu- ate the effects of increasing stocking density on performance of pigs classified in the slower-growing fraction of the pig population. Pens of gilts were blocked to minimize variation associated with barn location and the diet fed for the 14 d prior to the start of this trial. Within each block, pens of pigs were randomly allotted to treatments (6 pens per treatment). Treatments included stocking pens with 8, 12, 16, or 20 pigs per pen, allowing 22.5, 15.0, 11.3, and 9.0 ft2/pig, …

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The Effect Of Bacillus Probiotic On Growth Performance And Fecal Consistency Of Growing-Finishing Pigs (2011), S Nitikanchana, Michael D. Tokach, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz Jan 2011

The Effect Of Bacillus Probiotic On Growth Performance And Fecal Consistency Of Growing-Finishing Pigs (2011), S Nitikanchana, Michael D. Tokach, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 1,099 pigs (PIC 1050 × 337; initially 75 lb) were used in a 104-d study to determine the influence of a Bacillus product and diet type on growth performance, carcass traits, fecal consistency, and pen cleaning time in growing-finishing pigs raised under commercial conditions. Pens of pigs were balanced by initial weight and randomly allotted to 1 of 6 dietary treatments in a completely randomized design with 26 to 27 pigs per pen and 7 replications per treatment. Treatments were arranged as a 3 × 2 factorial with main effects of Bacillus product (0, 1x, or 10x) …

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Effect Of Regrinding Dried Distillers Grains With Solubles On Finishing Pig Growth Performance, J A. De Jong, Michael D. Tokach, Joel M. Derouchey, Jim L. Nelssen, Robert D. Goodband, Steven S. Dritz Jan 2011

Effect Of Regrinding Dried Distillers Grains With Solubles On Finishing Pig Growth Performance, J A. De Jong, Michael D. Tokach, Joel M. Derouchey, Jim L. Nelssen, Robert D. Goodband, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 1,235 barrows and gilts (PIC, 337 × 1050, initially 77.35 lb) were used in a 103-d study to determine the effects of regrinding dried distillers grains with solubles (DDGS) on finishing pig growth performance. Pigs were blocked by weight and randomly assigned to 1 of 2 treatments with 23 replications per treatment. Treatments included: (1) a corn-soybean meal diet with "normal” DDGS (DDGS average particle size of 780 μ), and (2) the same corn-soybean meal diet with reground DDGS (DDGS average particle size of 691 μ). Diets were fed in 4 phases (77 to 117, 117 to …

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Determining The Effects Of Tryptophan:Lysine Ratio In Diets Containing Dried Distillers Grains With Solubles On Growth Performance Of Finishing Pigs (2011), S Nitikanchana, J L. Usry, Michael D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz Jan 2011

Determining The Effects Of Tryptophan:Lysine Ratio In Diets Containing Dried Distillers Grains With Solubles On Growth Performance Of Finishing Pigs (2011), S Nitikanchana, J L. Usry, Michael D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 1,235 pigs (PIC 1050 × 337; initially 149 lb) were used in a 71-d study to determine the effects of tryptophan:lysine ratio in diets containing 0, 20, or 40% dried distillers grains with solubles (DDGS) on growth performance of finishing pigs raised in a commercial environment. Pens of pigs were balanced by initial weight and randomly allotted to 1 of 6 dietary treatments in a completely randomized design with 26 to 28 pigs per pen and 7 to 8 replications per treatment. Treatments were arranged as a 2 × 3 factorial with main effects of standardized ileal …

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Evaluating The Effects Of Pelleting Deoxynivalenol-Contaminated Dried Distillers Grains With Solubles In The Presence Of Sodium Metabisulfite On Analyzed Don Levels (2011), H L. Frobose, Michael D. Tokach, E L. Hansen, Leland J. Mckinney, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz Jan 2011

Evaluating The Effects Of Pelleting Deoxynivalenol-Contaminated Dried Distillers Grains With Solubles In The Presence Of Sodium Metabisulfite On Analyzed Don Levels (2011), H L. Frobose, Michael D. Tokach, E L. Hansen, Leland J. Mckinney, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

Deoxynivalenol (DON), also known as vomitoxin, was prevalent in the 2009 U.S. corn crop and subsequently present in dried distillers grains with solubles (DDGS), in which DON levels are about 3 times higher than the original corn source. One method shown to reduce DON levels was by increasing moisture and temperature when sodium bisulfite was added to DON-contaminated corn (Young et al., 19874). Therefore, a pilot study aimed first to replicate these results by placing DON-contaminated DDGS in an autoclave (60 min at 250°F) in the presence of sodium metabisulfite (SMB). The study used 6 treatments: (1) control, (2) 0.5% …

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Effects Of Liquitein On Weanling Pigs Administered A Porcine Circovirus Type 2 And Mycoplasma Hyopneumoniae Vaccine Strategy (2011), A J. Myers, J R. Bergstrom, B W. Ratliff, D M. Mckilligan, Michael D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz Jan 2011

Effects Of Liquitein On Weanling Pigs Administered A Porcine Circovirus Type 2 And Mycoplasma Hyopneumoniae Vaccine Strategy (2011), A J. Myers, J R. Bergstrom, B W. Ratliff, D M. Mckilligan, Michael D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 180 nursery pigs (PIC 327 × 1050, initially 12.6 ± 0.22 lb, and 19 ± 2 d of age) were used in a 35-d study to determine the effects of Liquitein and a porcine circo- virus 2 (PCV2)/Mycoplasma hyopneumoniae (M. hyo) vaccine regimen on the growth performance of weanling pigs. Liquitein (TechMix, LLC Stewart, MN) is a watersoluble source of plasma and energy provided in the drinking water immediately after weaning. Pigs were randomly allotted to 1 of 4 treatments arranged in a 2 × 2 factorial with main effects of Liquitein (with or without) and PCV2/M. …

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The Effects Of High-Sulfate Water And Zeolite (Clinoptilolite) On Nursery Pig Performance (2011), J R. Flohr, N W. Shelton, Michael D. Tokach, Jim L. Nelssen, Joel M. Derouchey, Robert D. Goodband, Steven S. Dritz Jan 2011

The Effects Of High-Sulfate Water And Zeolite (Clinoptilolite) On Nursery Pig Performance (2011), J R. Flohr, N W. Shelton, Michael D. Tokach, Jim L. Nelssen, Joel M. Derouchey, Robert D. Goodband, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 320 nursery pigs (PIC 1050 barrows) were used in a 24-d study to determine the effects of high-sulfate water and dietary natural zeolite on growth performance and fecal consistency of nursery pigs. Eight treatments were arranged as a 2 × 4 factorial with 2 water treatments (control or water with 3,000 ppm sodium sulfate), and 4 dietary zeolite concentrations (0, 0.25, 0.5, and 1.0%). Water treatments remained the same from d 0 to 24 and all diets were fed in 2 phases, with diets containing zeolite having the same inclusion rate in both phases. Phase 1 diets …

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