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Kansas Agricultural Experiment Station Research Reports

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2011

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Articles 1 - 30 of 75

Full-Text Articles in Life Sciences

Determining The Effects Of L-Tryptophan Addition To Diets Containing 30% Dried Distillers Grains With Solubles On Finishing Pig Growth Performance (2011), S Nitikanchana, J Usry, Michael D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz Jan 2011

Determining The Effects Of L-Tryptophan Addition To Diets Containing 30% Dried Distillers Grains With Solubles On Finishing Pig Growth Performance (2011), S Nitikanchana, 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 845 pigs (PIC 380 × Mosanto; initially 163 lb) were used in a 61-d study to determine the effects of L-tryptophan addition to diets containing 30% dried distillers grains with solubles (DDGS) on the growth performance of finishing pigs reared in a commercial environment. Pens of pigs were balanced by initial weight and randomly allotted to 1 of 5 dietary treatments in a completely randomized design with 25 to 30 pigs per pen and 6 replications per treatment. Treatments included 4 standardized ileal digestible (SID) tryptophan:lysine ratios (15, 17, 19, and 21% of lysine) using crystal- line …

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Southwest Research-Extension Center, Field Day 2011 Jan 2011

Southwest Research-Extension Center, Field Day 2011

Kansas Agricultural Experiment Station Research Reports

Report of agricultural research from Southwest Research-Extension Center of Kansas State University.

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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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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 Diet Mix Time On Growth Performance Of Finishing Pigs Fed Ractopamine Hcl (2011), C B. Paulk, Leland J. Mckinney, Joe D. Hancock, S M. Williams, S Issa, Terry L. Gugle Jan 2011

Effects Of Diet Mix Time On Growth Performance Of Finishing Pigs Fed Ractopamine Hcl (2011), C B. Paulk, Leland J. Mckinney, Joe D. Hancock, S M. Williams, S Issa, Terry L. Gugle

Kansas Agricultural Experiment Station Research Reports

Two experiments were conducted to determine the effects of mix uniformity for diets with Ractopamine HCl (RAC) (Paylean; Elanco Animal Health, Greenfield, IN) when fed to finishing pigs. In Exp. 1, a total of 200 pigs (PIC TR4 × 1050; average BW of 198.4 lb) were used in a 33-d growth assay arranged in a randomized complete-block design with 5 pigs per pen and 8 pens per treatment. Treatments were a corn-soybean meal-based control diet mixed for 360 sec and the mixed control diet with 9 g/ton RAC added before additional mixing for 0, 30, 120, and 360 sec. Thus, …

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The Effects Of Feeder Design (Conventional Dry Vs. Wet-Dry) In The Nursery And In The Finisher On Growth Performance Of Finishing Pigs (2011), S Nitikanchana, Michael D. Tokach, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz Jan 2011

The Effects Of Feeder Design (Conventional Dry Vs. Wet-Dry) In The Nursery And In The Finisher On Growth Performance Of 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 1,296 pigs (PIC 1050 × 337; initially 36 lb) were used in a 102-d study to determine the effects of feeder type (conventional dry vs. wet-dry) on nursery and finishing pig growth performance for pigs reared under commercial conditions. In the nursery, pigs were housed in rooms with either conventional dry or wet-dry feeders. At movement to the finisher, 312 barrows and 336 gilts from a room with conventional dry feeders and an equal number of pigs from a room with wet-dry feeders were randomly selected and distributed to have a similar number of barrows and gilts …

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Effects Of Dietary Astaxanthin And Ractopamine Hcl On The Growth And Carcass Characteristics Of Finishing Pigs And The Color Shelf-Life Of Longissimus Chops From Barrows And Gilts (2011), J R. Bergstrom, G R. Skaar, Terry A. Houser, Michael D. Tokach, Steven S. Dritz, Jim L. Nelssen, Robert D. Goodband, Joel M. Derouchey Jan 2011

Effects Of Dietary Astaxanthin And Ractopamine Hcl On The Growth And Carcass Characteristics Of Finishing Pigs And The Color Shelf-Life Of Longissimus Chops From Barrows And Gilts (2011), J R. Bergstrom, G R. Skaar, Terry A. Houser, Michael D. Tokach, Steven S. Dritz, Jim L. Nelssen, Robert D. Goodband, Joel M. Derouchey

Kansas Agricultural Experiment Station Research Reports

A total of 160 pigs (initially 198 lb) were used to evaluate the effects of increasing dietary astaxanthin (AX, from Xanthophyllomyces dendrorhous yeast) and Ractopamine HCl (RAC) on the growth and carcass characteristics of finishing pigs as well as the color shelf-life of longissimus muscle (LM) chops from barrows and gilts. Pigs were weighed and randomly allotted to 1 of 8 dietary treatments fed for approximately 26 d preharvest. Dietary treatments consisted of a corn-soybean meal-based control diet, the control diet with 7.5, 15, 30, 60, or 120 ppm AX, and a corn-soybean meal-based diet with 10 ppm RAC and …

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Effects Of Xylanase In Growing-Finishing Diets Varying In Dietary Energy And Fiber On Growth Performance, Carcass Characteristics, And Nutrient Digestibility (2011), J A. Barnes, Joel M. Derouchey, Michael D. Tokach, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz Jan 2011

Effects Of Xylanase In Growing-Finishing Diets Varying In Dietary Energy And Fiber On Growth Performance, Carcass Characteristics, And Nutrient Digestibility (2011), J A. Barnes, Joel M. Derouchey, Michael D. Tokach, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 576 pigs (PIC TR4 × 1050, 106 lb initial BW) were used in a 75-d trial to evaluate effects of xylanase (Porzyme 93010; Danisco Animal Nutrition, St. Louis, MO) in growing-finishing diets varying in dietary energy and fiber on growth perfor- mance, carcass characteristics, and nutrient digestibility. Pens of pigs were randomly allotted to 1 of 6 dietary treatments in a 2 × 3 factorial (with or without xylanase and 3 dietary energy levels) with 8 pigs per pen and 12 replications per treatment. The 6 treatments consisted of corn-soybean meal-based diets with added dried distillers grains …

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Effects Of Increasing Ndf From Either Dried Distillers Grains With Solubles Or Wheat Middlings, Individually Or In Combination, On The Growth Performance, Carcass Characteristics, And Carcass Fat Quality In Growing-Finishing Pigs (2011), M D. Asmus, Joel M. Derouchey, Jim L. Nelssen, Michael D. Tokach, Robert D. Goodband, Steven S. Dritz Jan 2011

Effects Of Increasing Ndf From Either Dried Distillers Grains With Solubles Or Wheat Middlings, Individually Or In Combination, On The Growth Performance, Carcass Characteristics, And Carcass Fat Quality In Growing-Finishing Pigs (2011), M D. Asmus, Joel M. Derouchey, Jim L. Nelssen, Michael D. Tokach, Robert D. Goodband, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 288 pigs (PIC TR4 × 1050, initially 83.6 lb) were used in an 87-d study to determine the effects of increasing dietary NDF from wheat middlings (midds) and dried distillers grains with solubles (DDGS) on growth performance, carcass characteristics, and carcass fat quality of growing-finishing pigs. Pens of pigs were randomly allot- ted by initial weight and gender (4 barrows and 4 gilts per pen) to 1 of 6 dietary treatments with 6 replications per treatment. Treatments were arranged in a 2 × 2 factorial plus 2 additional treatments with the main effects of added wheat middlings …

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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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Evaluation Of Heparin Production By-Products In Nursery Pig Diets (2011), A J. Myers, M U. Steidinger, B W. Ratliff, D M. Mckilligan, Michael D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz Jan 2011

Evaluation Of Heparin Production By-Products In Nursery Pig Diets (2011), A J. Myers, M U. Steidinger, 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 1,152 weanling pigs (Newsham GPK35 × PIC380, initially 12.3 ± 1.30 lb, 20 ± 2 d of age) were used in a 39-d study to evaluate the effects of select menha- den fish meal (SMFM), poultry meal, PEP2+, Peptone 50, and PEP-NS on nursery pig performance. PEP2+, Peptone 50, and PEP-NS are all porcine intestinal mucosa products, but they differ in the carriers with which they are co-dried. PEP2+ is co-dried with enzymatically processed vegetable proteins and amino acid (AA) dried fermentation biomass. Peptone 50 is co-dried with a vegetable protein, whereas PEP-NS uses by-products from corn …

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Influence Of Standardized Ileal Digestible Tryptophan:Lysine Ratio On Growth Performance Of 13- To 21-Lb Nursery Pigs (2011), S Nitikanchana, J E. Nemechek, J Usry, Michael D. Tokach, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz Jan 2011

Influence Of Standardized Ileal Digestible Tryptophan:Lysine Ratio On Growth Performance Of 13- To 21-Lb Nursery Pigs (2011), S Nitikanchana, J E. Nemechek, J Usry, Michael D. Tokach, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 255 nursery pigs (PIC 327 × 1050, initially 13.8 lb and 3 d postweaning) were used in a 28-d growth trial to determine the minimum standardized ileal digestible (SID) tryptophan:lysine ratio for 13- to 21-lb pigs. A 2-phase diet series was used with treatment diets fed from d 0 to 14 and a common diet fed from d 14 to 28. The 6 SID tryptophan:lysine ratios were 14.7, 16.5, 18.4, 20.3, 22.1, and 24.0%. Pigs were allotted on d 3 after weaning with 6 or 7 pigs per pen and 7 replications per treatment. Weight and feed …

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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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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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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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Length Of Weaning Period But Not Timing Of Vaccination Affects Feedlot Finishing Performance And Carcass Characteristics Of Fall-Weaned, Ranch-Direct Beef Calves, M.J. Macek, J.W. Iliff, Todd W. Schmidt, L.A. Pacheco, K. C. Olson, John R. Jaeger, Daniel U. Thomson Jan 2011

Length Of Weaning Period But Not Timing Of Vaccination Affects Feedlot Finishing Performance And Carcass Characteristics Of Fall-Weaned, Ranch-Direct Beef Calves, M.J. Macek, J.W. Iliff, Todd W. Schmidt, L.A. Pacheco, K. C. Olson, John R. Jaeger, Daniel U. Thomson

Kansas Agricultural Experiment Station Research Reports

Bovine respiratory disease decreases profitability associated with cattle feeding. The cost of respiratory disease includes death loss, expenses associated with treatment, and reduced growth performance. Respiratory disease also decreases carcass weights, USDA quality grade, and ribeye area of feedlot cattle. Decreased carcass weights, fat thickness, and ribeye area have been associated with treatment of apparent respiratory disease when compared to animals not treated, whereas reduced incidence of the disease resulted in improved carcass merit. Preshipment weaning and vaccination has been found not only to prepare calves for improved performance in feedlots, but also to reduce incidence and severity of respiratory …

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Administration Of Human Chorionic Gonadotropin At Embryo Transfer Induced Ovulation Of A First-Wave Dominant Follicle And Increased Progesterone And Transfer Pregnancy Rates, L.D. Wallace, C.A. Breiner, A.R. Spell, J.A. Carter, G.C. Lamb, Jeffrey S. Stevenson, Ryan M. Breiner Jan 2011

Administration Of Human Chorionic Gonadotropin At Embryo Transfer Induced Ovulation Of A First-Wave Dominant Follicle And Increased Progesterone And Transfer Pregnancy Rates, L.D. Wallace, C.A. Breiner, A.R. Spell, J.A. Carter, G.C. Lamb, Jeffrey S. Stevenson, Ryan M. Breiner

Kansas Agricultural Experiment Station Research Reports

Embryo transfer (ET) has become more widespread in recent years as a way to improve cattle genetics. According to the annual statistical survey of the American Embryo Transfer Association, more than 200,000 fresh and frozen bovine embryos were transferred in 2008. But despite advancements in reproductive technologies that have occurred since ET was commercialized in the 1970s, industrywide pregnancy rates are only 62.4 and 56.9% for fresh and frozen-thawed ET, respectively. Using ET helps avoid problems from failed fertilization; however, fertilization failure has been characterized as a relatively unimportant factor of pregnancy loss. Approximately 10% of pregnancy failures resulted from …

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Marination Technique Influences Whole Muscle Beef Jerky Salt Content And Flavor Intensity, G.R. Skaar, Elizabeth A.E. Boyle Jan 2011

Marination Technique Influences Whole Muscle Beef Jerky Salt Content And Flavor Intensity, G.R. Skaar, Elizabeth A.E. Boyle

Kansas Agricultural Experiment Station Research Reports

Beef jerky is a popular meat snack that is simple to recognize and define. The USDA Food Standards and Labeling Policy Book (FSLPB) allows labeling use of the title "jerky" to a product that has been dried to a moisture-to-protein ratio (MPR) of 0.75:1.0 or less, and states the species or kind (such as beef, pork, or venison) in the name. As long as the product is dried to the required MPR and the species of origin is noted, all additional ingredients used, spice applications, and processing procedures are open for interpretation and application. The USDA FSLPB goes on to …

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Influence Of Dairy Housing On Freshwater Usage On Commercial Dairies In Western Kansas (2011), J.P. Potts, Michael J. Brouk Jan 2011

Influence Of Dairy Housing On Freshwater Usage On Commercial Dairies In Western Kansas (2011), J.P. Potts, Michael J. Brouk

Kansas Agricultural Experiment Station Research Reports

Fresh water pumping records were obtained from 24 western Kansas dairy farms for a 10-year period from 2000 through 2009. Farms were divided by facility type: dry lot (DL), free stall (FS), or a combination (DL+FS). Of the facility types studied, DL averaged smaller (P<0.05) demand for water at 52.6 gal/cow per day compared with FS at 61.3 gal/cow. Both DL and FS facilities had less water demand than the combination facilities of DL+FS at 71.1 gal/cow of water daily. In all cases, average freshwater pumping was less than the daily amount of 134.7 gal/cow commonly used in dairy facility design. The difference may result from water conservation efforts of the dairies and the efficiency gained from operating larger milking parlors.; Dairy Day, 2011, Kansas State University, Manhattan, KS, 2011; Dairy Research, 2011 is known as Dairy Day, 2011

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Enhancing Cysteine Content In Yogurt (2011), Soumya Bala, Karen A. Schmidt Jan 2011

Enhancing Cysteine Content In Yogurt (2011), Soumya Bala, Karen A. Schmidt

Kansas Agricultural Experiment Station Research Reports

Cysteine is considered a conditional amino acid for certain subpopulations. For example, in elderly people, cysteine has been associated with diverse functional properties as a general antioxidant as well as a specific role linked to cataract reduction or prevention. Yogurt is an excellent source of protein, the sulfur-containing amino acids methionine and cysteine in particular. Heat, however, can denature these amino acids and affect their bioavailability. A yogurt mix supplemented with whey proteins (an abundant source of cystiene) coupled with minimal pasteurization of yogurt mixes may increase the availability of cysteine in the final product. In this study, yogurt mixes …

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2011 Agricultural Research Southeast Agricultural Research Center, Kansas State University. Agricultural Experiment Station And Cooperative Extension Service Jan 2011

2011 Agricultural Research Southeast Agricultural Research Center, Kansas State University. Agricultural Experiment Station And Cooperative Extension Service

Kansas Agricultural Experiment Station Research Reports

No abstract provided.

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K-State Turfgrass Research 2011, Kansas State University. Agricultural Experiment Station And Cooperative Extension Service Jan 2011

K-State Turfgrass Research 2011, Kansas State University. Agricultural Experiment Station And Cooperative Extension Service

Kansas Agricultural Experiment Station Research Reports

Turfgrass Research 2011 contains results of projects conducted by Kansas State University faculty and graduate students. Some of these results will be presented at the Kansas Turfgrass Field Day, August 4, 2011, at the John C. Pair Horticultural Research Center in Olathe, Kan. Articles included in this Report of Progress present summaries of research projects that were completed recently or will be completed in the next year or two. Specifically, this year's report presents summaries of research on turf and the environment, pest control, and turf evaluations.

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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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Effect Of Sample Size And Method Of Sampling Pig Weights On The Accuracy Of Estimating The Mean Weight Of The Population (2011), C B. Paulk, G L. Highland, Michael D. Tokach, Jim L. Nelssen, Robert D. Goodband, Joel M. Derouchey, Steven S. Dritz Jan 2011

Effect Of Sample Size And Method Of Sampling Pig Weights On The Accuracy Of Estimating The Mean Weight Of The Population (2011), C B. Paulk, G L. Highland, Michael D. Tokach, Jim L. Nelssen, Robert D. Goodband, Joel M. Derouchey, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

Producers have adopted marketing strategies such as topping to help cut economic losses at the processing plant. Even though producers are implementing these strategies, they are still missing target weights and receiving substantial discounts. To assess this situation, we must first determine the accuracy of sampling methods producers use to estimate the mean weight of the population. The standard sampling procedure that has been adapted by many producers is to weigh a subsample of pigs in multiple pens (i.e., 5 pigs from 6 pens). Using a computer program developed in R (R Foundation for Statistical Computing, Vienna, Austria), we were …

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Effects Of Sorghum Particle Size On Milling Characteristics, Growth Performance, And Carcass Characteristics In Finishing Pigs (2011), C B. Paulk, Joe D. Hancock, Adam C. Fahrenholz, J M. Wilson, Leland J. Mckinney, Keith C. Benhke Jan 2011

Effects Of Sorghum Particle Size On Milling Characteristics, Growth Performance, And Carcass Characteristics In Finishing Pigs (2011), C B. Paulk, Joe D. Hancock, Adam C. Fahrenholz, J M. Wilson, Leland J. Mckinney, Keith C. Benhke

Kansas Agricultural Experiment Station Research Reports

A total of 200 finishing pigs (PIC TR4 × 1050; average initial BW of 103.2 lb) were used in a 69-d growth assay to determine the effects of sorghum particle size on growth performance. Pigs were sorted by sex and ancestry and balanced by BW, with 5 pigs per pen and 10 pens per treatment. Treatments were a corn-soybean meal-based control with the corn milled to a target mean particle size of 600 μm, and sorghum diets milled to a target mean particle size of 800, 600, or 400 μm. Actual mean particle sizes were 555 μm for corn, and …

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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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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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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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