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Kansas Agricultural Experiment Station Research Reports

2010

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Articles 1 - 30 of 87

Full-Text Articles in Life Sciences

Effects Of Wet Corn Gluten Feed And Dietary Particle Size On Ruminal Fermentation And Milk Production, M.L. Sullivan, Barry J. Bradford Jan 2010

Effects Of Wet Corn Gluten Feed And Dietary Particle Size On Ruminal Fermentation And Milk Production, M.L. Sullivan, Barry J. Bradford

Kansas Agricultural Experiment Station Research Reports

Wet corn gluten feed (WCGF) was included in 4 diets at 0, 11, 23, and 34% of diet dry matter. Alfalfa hay was used to maintain at least 10% of particles ≥0.71 inches in length (the top screen of the Penn State Particle Separator) in all diets. Ruminal probes were placed in the rumens of 7 ruminally cannulated lactating Holstein dairy cows to measure ruminal pH. As WCGF increased in the diet, dry matter intake and milk production increased quadratically with 23% WCGF supporting the highest feed intake and milk yield. Ruminal pH and milk fat content were similar ...


Effects Of Varying Rates Of Tallgrass Prairie Hay Andwet Corn Gluten Feed On Productivity Of Dairy Cows, D.J. Rezac, K.N. Grigsby, Barry J. Bradford Jan 2010

Effects Of Varying Rates Of Tallgrass Prairie Hay Andwet Corn Gluten Feed On Productivity Of Dairy Cows, D.J. Rezac, K.N. Grigsby, Barry J. Bradford

Kansas Agricultural Experiment Station Research Reports

Productivity of lactating dairy cows was assessed when fed diets containing wet corn gluten feed (WCGF; Sweet Bran, Cargill Inc.) as the primary energy substrate and prairie hay as the primary source of physically effective neutral detergent fiber (peNDF) compared with a control diet. Treatment diets were: 1) a control diet with 18% alfalfa, 18% corn silage, 33% WCGF, and 15% forage NDF (CON); 2) a diet with 20% tallgrass prairie hay, 46% WCGF, and 13% forage NDF (TPH20); and 3) a diet with 14% tallgrass prairie hay, 56% WCGF, and 9% forage NDF (TPH14). Midway through period 2, the ...


Director's Report Of Research In Kansas 2009, Kansas State University. Agricultural Experiment Station Jan 2010

Director's Report Of Research In Kansas 2009, Kansas State University. Agricultural Experiment Station

Kansas Agricultural Experiment Station Research Reports

This report contains the title, author, and publication information for manuscripts published by station scientists.


Kansas Fertilizer Research 2009, Dorivar Ruiz Diaz Jan 2010

Kansas Fertilizer Research 2009, Dorivar Ruiz Diaz

Kansas Agricultural Experiment Station Research Reports

No abstract provided.


Field Research 2010, Kansas State University. Agricultural Experiment Station And Cooperative Extension Service Jan 2010

Field Research 2010, Kansas State University. Agricultural Experiment Station And Cooperative Extension Service

Kansas Agricultural Experiment Station Research Reports

Includes research reports from these locations: East Central Kansas Experiment Field, Kansas River Valley Experiment Field, South Central Kansas Experiment Field, and Western Kansas Agricultural Research Centers.


Evaluation Of Feed Budgeting, Complete Diet Blending, And Corn-Supplement Blending On Finishing-Pig Performance, R C. Sulabo, G A. Papadopoulos, J R. Bergstrom, D Ryder, Joel M. Derouchey, Michael D. Tokach, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz Jan 2010

Evaluation Of Feed Budgeting, Complete Diet Blending, And Corn-Supplement Blending On Finishing-Pig Performance, R C. Sulabo, G A. Papadopoulos, J R. Bergstrom, D Ryder, Joel M. Derouchey, Michael D. Tokach, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 283 pigs (PIC TR4 x 1050, initially 77.2 ± 1.4 lb BW) were used to compare phase feeding with blending finishing diets by using the FeedPro system (Feedlogic Corporation, Willmar, MN). There were 3 experimental treatments: (1) a standard 4-phase complete feed program, (2) blending high- and low-lysine complete diets over the entire experiment, and (3) blending ground corn and a separate complete supplement within each phase. FeedPro is an integrated feed dispensing system that can deliver and blend 2 separate diets while dispensing. The 4 phases were 77 to 120, 120 to 175, 175 to ...


Effects Of Feeder Design And Feeder Adjustment On The Growth Performance Of Growing- Finishing Pigs, J R. Bergstrom, Michael D. Tokach, Jim L. Nelssen, Joel M. Derouchey, Robert D. Goodband, Steven S. Dritz Jan 2010

Effects Of Feeder Design And Feeder Adjustment On The Growth Performance Of Growing- Finishing Pigs, J R. Bergstrom, Michael D. Tokach, Jim L. Nelssen, Joel M. Derouchey, Robert D. Goodband, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

Two experiments were performed to evaluate the effects of feeder design (conventional dry feeder vs. wet-dry feeder) and adjustment on growing-finishing pig performance. In both experiments, all pigs (PIC 337 x 1050) were fed the same corn-soybean meal diets with 15% dried distillers grains with solubles (DDGS). In Exp. 1, 1,296 pigs (initially 43 lb) were used in a 69-d study. From d 0 to 27, 3 feeder settings were evaluated for each feeder type. Numbered settings (located in each feeder) were 6, 8, and 10 for the conventional dry feeder and 6, 10, and 14 for the wet-dry ...


The Effects Of Feeder Adjustment On Growth Performance Of Finishing Pigs, A J. Myers, J R. Bergstrom, Robert D. Goodband, Michael D. Tokach, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz Jan 2010

The Effects Of Feeder Adjustment On Growth Performance Of Finishing Pigs, A J. Myers, J R. Bergstrom, Robert D. Goodband, Michael D. Tokach, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 234 growing pigs (PIC TR4 x 1050, initially 91.4 lb) were used in an 89-d trial to determine the effects of feeder adjustment on finishing pig performance. Pigs were randomly allotted to 1 of 3 treatments. The treatments consisted of a narrow feeder adjustment (minimum gap opening of 0.50 in.), medium feeder adjustment (minimum gap opening of 0.75 in.), and wide adjustment (minimum feeder gap opening of 1.00 in.). The feeders were adjusted to the minimum gap setting, but the agitation plate could be moved upward to a maximum gap opening of 0 ...


Meta-Analyses Describing The Variables That Influence The Backfat, Belly Fat, And Jowl Fat Iodine Value Of Pork Carcasses, J R. Bergstrom, Michael D. Tokach, Steven S. Dritz, Terry A. Houser, Jim L. Nelssen, Robert D. Goodband, Joel M. Derouchey Jan 2010

Meta-Analyses Describing The Variables That Influence The Backfat, Belly Fat, And Jowl Fat Iodine Value Of Pork Carcasses, J R. Bergstrom, Michael D. Tokach, Steven S. Dritz, Terry A. Houser, Jim L. Nelssen, Robert D. Goodband, Joel M. Derouchey

Kansas Agricultural Experiment Station Research Reports

Concern about the quality of pork fat has increased in the United States over the last decade, largely because of the increased availability and use of dried distillers grains with solubles (DDGS) in swine diets. The iodine value (IV) of pork fat is commonly used as an indicator of quality. To identify the factors associated with carcass fat IV, meta-analyses were conducted to describe the relevant variables and to develop prediction equations to assist swine nutritionists and producers in producing pork fat with an acceptable IV. Data from 21 experiments were used to develop prediction equations for carcass fat IV ...


Effects Of Switching Diet Formulations On Finishing Pig Performance, M L. Potter, Michael D. Tokach, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz Jan 2010

Effects Of Switching Diet Formulations On Finishing Pig Performance, M L. Potter, Michael D. Tokach, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 1,239 finishing pigs (initially 43 lb) were used in a 41-d trial to determine the effects on ADG, ADFI, and F/G of switching every 2 wk from a corn-soybean mealbased diet to a diet containing alternative ingredients. Pens of pigs were weighed and allotted randomly to 1 of 4 dietary treatments. Dietary treatments were: (1) feeding a corn-soybean meal-based diet; (2) feeding an alternative ingredient-based diet; (3) feeding both diets in succession by feeding 2 wk of the corn-soybean meal-based diet followed by 2 wk of the diet with alternative ingredients, then feeding the corn-soybean ...


Effects Of Dried Distillers Grains With Solubles And Increasing Dietary Wheat Middlings On Growth Performance, Carcass Characteristics, And Fat Quality In Growing-Finishing Pigs, J A. Barnes, Joel M. Derouchey, Michael D. Tokach, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz Jan 2010

Effects Of Dried Distillers Grains With Solubles And Increasing Dietary Wheat Middlings On Growth Performance, Carcass Characteristics, And Fat Quality In Growing-Finishing Pigs, 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 288 pigs (PIC TR4 x 1050, initially 100 lb) were used in an 84-d growth trial to evaluate the effects of dietary wheat middlings and dried distillers grain with solubles (DDGS) on growing-finishing pig growth performance, carcass characteristics, and carcass fat quality. Pens of pigs were balanced by initial weight and gender and were randomly allotted to 1 of 4 dietary treatments with 8 pigs per pen (4 barrows and 4 gilts) and 9 replications per treatment. Dietary treatments included a corn-soybean meal-based diet, a diet with 30% DDGS, or the diet with 30% DDGS with 10 ...


The Effects Of Biomin Product A And Vomitoxin On Growth Performance Of Nursery Pigs, H L. Frobose, K Soltwedel, Michael D. Tokach, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz Jan 2010

The Effects Of Biomin Product A And Vomitoxin On Growth Performance Of Nursery Pigs, H L. Frobose, K Soltwedel, Michael D. Tokach, Joel M. Derouchey, Robert D. Goodband, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 340 barrows (PIC 1050, initially 25.7 lb ± 0.2 lb BW and 35 d of age) were used in a 28-d growth trial examining the effects on nursery pig growth performance of adding Biomin Product A (Biomin; Herzogenburg, Austria) to diets contaminated with deoxynivalenol (DON), or vomitoxin on nursery pig growth performance. Also, 5% water was added in a diet with Biomin Product A as a means of potentially enhancing the activity of the product. Pigs were allotted to pens by weight, and pens were assigned to 1 of 8 treatments in a randomized complete block ...


Effects Of Extrusion Processing On The Nutritional Value Of Dried Distillers Grains With Solubles In Diets For Nursery Pigs, S M. Williams, C B. Paulk, S Issa, Terry L. Gugle, Joe D. Hancock Jan 2010

Effects Of Extrusion Processing On The Nutritional Value Of Dried Distillers Grains With Solubles In Diets For Nursery Pigs, S M. Williams, C B. Paulk, S Issa, Terry L. Gugle, Joe D. Hancock

Kansas Agricultural Experiment Station Research Reports

A total of 224 pigs (PIC TR4 x 1050, initially 18.7 lb avg BW) were used in a 21-d experiment to determine the effects of extrusion processing on the nutritional value of dried distillers grains with solubles (DDGS) in diets for nursery pigs. The pigs were weaned at 21 d of age, sorted by sex and ancestry, and blocked by BW. All pigs were fed a common diet for 11 d postweaning and the experimental treatments for the next 21 d. Treatments were a corn-soybean meal-based control and 3 diets formulated with 30% DDGS. The 3 DDGS treatments were ...


Effects Of Feeding Excess Dietary Crude Protein From Soybean Meal And Dried Distillers Grains With Solubles On Nursery Pig Performance, S M. Williams, C B. Paulk, S Issa, Terry L. Gugle, Joe D. Hancock Jan 2010

Effects Of Feeding Excess Dietary Crude Protein From Soybean Meal And Dried Distillers Grains With Solubles On Nursery Pig Performance, S M. Williams, C B. Paulk, S Issa, Terry L. Gugle, Joe D. Hancock

Kansas Agricultural Experiment Station Research Reports

Two experiments were conducted to determine the effects of feeding excess dietary CP to nursery pigs. In Exp. 1, a total of 105 nursery pigs (PIC TR4 x 1050, initially 22.9 lb and 35 d of age) were used in a 21-d growth assay to determine the effects of feeding excess CP from soybean meal to nursery pigs. The pigs were fed a pelleted commercial starter diet for the first 14 d after weaning, and the experimental treatments were fed for the next 21 d. Treatments consisted of 3 corn-soybean meal-based diets formulated to different CP levels: (1) 22 ...


The Effects Of Diet Form And Feeder Design On The Growth Performance And Carcass Characteristics Of Growing-Finishing Pigs, A J. Myers, J R. Bergstrom, Michael D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz Jan 2010

The Effects Of Diet Form And Feeder Design On The Growth Performance And Carcass Characteristics Of Growing-Finishing Pigs, A J. Myers, J R. Bergstrom, Michael D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A total of 1,290 growing pigs (PIC 1050 x 337, initially 103.1 lb) were used in a 91-d study to evaluate the effects of diet form (meal vs. pellet) and feeder design (conventional dry vs wet-dry) on finisher pig performance. The treatments were arranged in a 2 x 2 factorial with 11 replications per treatment and 25 to 27 pigs per pen. Half of the pens were equipped with a 5-hole conventional dry feeder while the other half had a double-sided wet-dry feeder. All pigs were fed a corn-soybean meal-based diet containing 45 to 65% by-products in 4 ...


Effect Of Increasing Standardized Ileal Digestible Valine To Lysine Ratio On Growth Performance Of 15- To 25-Lb Nursery Pigs, J E. Nemechek, J Usry, Michael D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz Jan 2010

Effect Of Increasing Standardized Ileal Digestible Valine To Lysine Ratio On Growth Performance Of 15- To 25-Lb Nursery Pigs, 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 294 nursery pigs (PIC TR4 x 1050, initially 15.1 lb, 3 d postweaning) were used in a 28-d growth trial to evaluate the effects of increasing standardized ileal digestible valine:lysine ratio on growth performance. Pigs were allotted to 1 of 6 dietary treatments. 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. All diets were in meal form. The 6 standardized ileal digestible (SID) valine:lysine ratios were 57.4, 59.9, 62.3, 64.7, 67.2, and ...


Evaluation Of Deleting Crystalline Amino Acids From Low-Cp, Amino Acid-Fortified Diets On Growth Performance Of Nursery Pigs From 15 To 25 Lb, J E. Nemechek, J Usry, Michael D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz Jan 2010

Evaluation Of Deleting Crystalline Amino Acids From Low-Cp, Amino Acid-Fortified Diets On Growth Performance Of Nursery Pigs From 15 To 25 Lb, 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 294 nursery pigs (PIC TR4 x 1050, initially 15.2 lb, 3 d postweaning) were used in a 28-d trial to evaluate the effects on growth performance of eliminating specific crystalline amino acids from a low-CP, amino acid-fortified diet. On d 3 after weaning, pigs were allotted to 1 of 6 dietary treatments. 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. All diets were in meal form. The formulation was based on data from previous trials in which fish meal ...


Effect Of Replacing Fish Meal With Crystalline Amino Acids On Growth Performance Of Nursery Pigs From 15 To 25 Lb, J E. Nemechek, J Usry, Michael D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jim L. Nelssen, Steven S. Dritz Jan 2010

Effect Of Replacing Fish Meal With Crystalline Amino Acids On Growth Performance Of Nursery Pigs From 15 To 25 Lb, 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 x 1050, initially 16.1 lb, 3 d postweaning) were used in a 28-d growth trial to evaluate the effects of replacing fish meal with crystalline amino acids on growth performance. Pigs were allotted to 1 of 6 dietary treatments with 7 replications per treatment. There were 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 treatment diets fed ...


Current Factors Affecting Feeder Cattle Pricing In Kansas And Missouri Cattle Markets, K.W. Harborth, L.L. Schulz, Kevin C. Dhuyvetter, Justin W. Waggoner Jan 2010

Current Factors Affecting Feeder Cattle Pricing In Kansas And Missouri Cattle Markets, K.W. Harborth, L.L. Schulz, Kevin C. Dhuyvetter, Justin W. Waggoner

Kansas Agricultural Experiment Station Research Reports

Today's tough economic environment for cattle producers makes each decision critically important, and increased knowledge of the link between pricing and genetic, management, and marketing decisions can increase an operation's sustainability and profitability. Cow-calf producers and cattle feeders have long been interested in the impact of various physical and market characteristics on feeder cattle and calf prices. As demonstrated in many previous studies, significant relationships exist between feeder cattle prices and their physical and market characteristics. Weight, lot size, health, condition, fill, muscling, frame size, breed, time of sale, and horn status significantly affect feeder cattle auction prices ...


Capacity Of The Bovine Intestinal Mucus And Its Components To Support Escherichia Coli O157:H7 Growth, C. Aperce, J. Heidenreich, James S. Drouillard Jan 2010

Capacity Of The Bovine Intestinal Mucus And Its Components To Support Escherichia Coli O157:H7 Growth, C. Aperce, J. Heidenreich, James S. Drouillard

Kansas Agricultural Experiment Station Research Reports

Escherichia coli O157:H7 contamination of human food products is a major concern for the beef industry. The pathogens responsible for outbreaks often originate from cattle, and E. coli O157:H7 can thrive in healthy cattle. To control contamination in the food chain, it is essential to understand how this pathogen is able to grow and compete with other bacteria in the gastrointestinal tracts of cattle. Previous studies have shown that bovine intestinal mucus supports bacterial colonization and can selectively influence makeup of the bacterial population. Intestinal mucus is made of mucins, which are gel-forming glycoproteins. Mucin molecules contain sialic ...


Beta Acid Extracts Of Hops Have A Modest Effect On Ruminal Metabolism And Apparent Total Tract Digestibility By Steers Fed High- Concentrate Diets, S. Uwituze, J.M. Heidenreich, James J. Higgins, James S. Drouillard Jan 2010

Beta Acid Extracts Of Hops Have A Modest Effect On Ruminal Metabolism And Apparent Total Tract Digestibility By Steers Fed High- Concentrate Diets, S. Uwituze, J.M. Heidenreich, James J. Higgins, James S. Drouillard

Kansas Agricultural Experiment Station Research Reports

Hops have been used for centuries to control bacterial contamination in beer production. Today, α acids are extracted from hops for use in flavoring beer, leaving residues that are rich in beta acids. Beta acid fractions of hops can selectively inhibit specific ruminal Gram-positive bacteria that are responsible for major digestive disturbances, such as acidosis and bloat, and have a chemical structure similar to that of ionophores used in feedlot production. Use of ionophores improves efficiency of feed utilization and decreases the incidence of digestive disturbances that are a major cause of morbidity and mortality in cattle feeding operations. The ...


Long-Term Cidr Program For Synchronization Of Estrus In Beef Heifers Produces Acceptable Ai Pregnancy Rates, Sandra K. Johnson, J.W. Bolte, John R. Jaeger Jan 2010

Long-Term Cidr Program For Synchronization Of Estrus In Beef Heifers Produces Acceptable Ai Pregnancy Rates, Sandra K. Johnson, J.W. Bolte, John R. Jaeger

Kansas Agricultural Experiment Station Research Reports

Routinely achieving pregnancy rates greater than 50% with fixed-time artificial insemination (AI) in heifers has been difficult. The Beef Reproduction Task Force recently added the intravaginal progesterone-releasing device (CIDR)-Select to its list of recommended fixed-time AI protocols. Research and field trials in Missouri have achieved AI pregnancy rates in the range of 55% to 60%. Another relatively new protocol is the 5-day CO-Synch, a timed AI protocol + CIDR that has produced pregnancy rates similar to or higher than those obtained with the standard 7-day CO-Synch + CIDR protocol. It is not known whether these two systems differ in terms of ...


Precutting Round Alfalfa And Cornstalk Bales Decreases Time And Fuel Required For Bale Breakup In A Vertical Mixer, S.Q. Jones, T.T. Marston, R.M. Kraus, Joel M. Derouchey, Justin W. Waggoner, Ryan M. Breiner Jan 2010

Precutting Round Alfalfa And Cornstalk Bales Decreases Time And Fuel Required For Bale Breakup In A Vertical Mixer, S.Q. Jones, T.T. Marston, R.M. Kraus, Joel M. Derouchey, Justin W. Waggoner, Ryan M. Breiner

Kansas Agricultural Experiment Station Research Reports

Properly mixing and distributing nutrients throughout a ration can be equally as important as including them in the formulation. Many factors, including forage type, particle length, and mixer type, affect the homogeneity of total mixed rations. Particle size plays an important role in digestion and animal performance and, therefore, is an important consideration from harvest through feeding. An increase in particle size results in a less uniform distribution of nutrients throughout the total mixed ration. Typically, diets with a high proportion of forages have the lowest uniformity of nutrients in individual batches of complete feed.


Supplementing Feedlot Steers And Heifers With Zilmax Increases Proportions Of Strip Loin, Chuck Clod, And Top Sirloin Steaks Exceeding Warner-Bratzler Shear Force Thresholds, Whereas Aging Moderates This Effect, H.C. Claus, J.C. Brooks, J. Shook, G.G. Hilton, T.E. Lawrence, J.M. Mehaffey, B.J. Johnson, Dell M. Allen, M.N. Streeter, W.T. Nichols, C. Melvin, J. Killefer, Michael E. Dikeman Jan 2010

Supplementing Feedlot Steers And Heifers With Zilmax Increases Proportions Of Strip Loin, Chuck Clod, And Top Sirloin Steaks Exceeding Warner-Bratzler Shear Force Thresholds, Whereas Aging Moderates This Effect, H.C. Claus, J.C. Brooks, J. Shook, G.G. Hilton, T.E. Lawrence, J.M. Mehaffey, B.J. Johnson, Dell M. Allen, M.N. Streeter, W.T. Nichols, C. Melvin, J. Killefer, Michael E. Dikeman

Kansas Agricultural Experiment Station Research Reports

Ractopamine hydrochloride (Elanco, Greenfield, IN) and Zilmax (zilpaterol hydrochloride; Intervet/Schering-Plough, Millsboro, DE) are β-adrenergic agonists approved in the United States and several other countries to increase growth rate, improve efficiency of feed utilization, and increase carcass meat yield. Zilmax has been shown to improve feed efficiency by 26% and increase hot carcass weight, longissimus muscle area, and meat yield. However, a few studies have shown that Zilmax significantly increased Warner-Bratzler shear force values (decreased tenderness). The objectives of our research were to determine the effects of supplementing feedlot diets of steers and heifers with Zilmax for 0, 20, 30 ...


Supplementing Fructose-Based Block Supplements To Forage-Fed Cattle Increases Capacity For Lactic Acid Metabolism, K.A. Miller, M.J. Quinn, James S. Drouillard Jan 2010

Supplementing Fructose-Based Block Supplements To Forage-Fed Cattle Increases Capacity For Lactic Acid Metabolism, K.A. Miller, M.J. Quinn, James S. Drouillard

Kansas Agricultural Experiment Station Research Reports

Acidosis is one of the more important maladies afflicting cattle fed significant amounts of grain and has enormous economic impact for feedlots, dairies, and producers of seed stock. The highest incidence of acidosis occurs when animals are being transitioned from high-roughage diets to diets containing high levels of concentrates. When grain-based diets are consumed in excess, consumed too quickly, or fed without proper adaptation, digestive end products (organic acids) can accumulate within the rumen, resulting in acidosis. Lactic acid is one of the key organic compounds that accumulates under these conditions. Coupled with the animal's limited ability to metabolize ...


High Sulfur Content In Distillers Grains With Solubles May Be Deleterious To Beef Steer Performance And Carcass Quality, S. Uwituze, G.L. Parsons, C.J. Schneider, K.K. Karges, M.L. Gibson, Larry C. Hollis, James S. Drouillard Jan 2010

High Sulfur Content In Distillers Grains With Solubles May Be Deleterious To Beef Steer Performance And Carcass Quality, S. Uwituze, G.L. Parsons, C.J. Schneider, K.K. Karges, M.L. Gibson, Larry C. Hollis, James S. Drouillard

Kansas Agricultural Experiment Station Research Reports

Distillers grains with solubles are becoming an increasingly important staple of cattle diets because of rapid expansion of the fuel ethanol industry. Sulfuric acid often is used in ethanol production processes to clean and control the pH of fermenters. Consequently, distillers grains with solubles can occasionally contain high sulfur concentrations. Within the rumen, sulfur is converted to hydrogen sulfide gas by ruminal microbes. Hydrogen sulfide is eructated from the rumen and subsequently aspirated into the lungs; excess amounts of hydrogen sulfide can cause polioencephalomalacia (brainers). Polioencephalomalacia is characterized by increased respiration, decreased feed intake, listlessness, muscular incoordination, progressive blindness, and ...


Cornstalk Round Bale Processing Method Does Not Influence Feeding Characteristics Or Feed Refusals, S.Q. Jones, T.T. Marston, T.J. Kraus, Joel M. Derouchey, Justin W. Waggoner, Ryan M. Breiner Jan 2010

Cornstalk Round Bale Processing Method Does Not Influence Feeding Characteristics Or Feed Refusals, S.Q. Jones, T.T. Marston, T.J. Kraus, Joel M. Derouchey, Justin W. Waggoner, Ryan M. Breiner

Kansas Agricultural Experiment Station Research Reports

Nutritionists and producers often assume that ingredients in a total mixed ration are uniformly mixed. However, many factors can affect ration homogeneity, including particle size, particle shape, differences in density of feed ingredients, and relative point at which the mixture is discharged from a mixer batch. Forages often are ground prior to mixing in a total mixed ration to reduce variation in forage particle length. Preprocessing forages during baling may facilitate particle length reduction, eliminating the need to grind forages prior to mixing. The objectives of this study were to determine the effects of forage processing on (1) uniformity of ...


Effects Of Morinda Citrifolia On Growth Performance And Health Of High-Risk Calves, L.R. Hibbard, R.G. Godbee, M.P. Epp, Brandon E. Oleen, Dale A. Blasi, K. C. Olson Jan 2010

Effects Of Morinda Citrifolia On Growth Performance And Health Of High-Risk Calves, L.R. Hibbard, R.G. Godbee, M.P. Epp, Brandon E. Oleen, Dale A. Blasi, K. C. Olson

Kansas Agricultural Experiment Station Research Reports

Bovine respiratory disease continues to be the most costly disease affecting productivity and profitability in the stocker segment. Long-acting injectable antimicrobials are presently used to reduce the incidence and severity of bovine respiratory disease. However, future use of antimicrobial treatment may be significantly curtailed in light of an increasing negative perception of antibiotic usage in food animals by consumers and governmental agencies. Consequently, preconditioning and enhanced nutrition programs that may include nutraceuticals could become more prevalent. MorindaMax (Morinda International, Provo, UT) is a natural product manufactured from the Morinda citrifolia fruit (i.e., Noni). Published literature suggests this plant extract ...


Packaging Systems And Storage Times Serve As Post-Lethality Treatments For Listeria Monocytogenes On Whole Muscle Beef Jerky, A. Lobaton-Sulabo, T. Axman, Kelly J.K. Getty, Elizabeth A.E. Boyle, N. Harper, K. Uppal, B. Barry, James J. Higgins Jan 2010

Packaging Systems And Storage Times Serve As Post-Lethality Treatments For Listeria Monocytogenes On Whole Muscle Beef Jerky, A. Lobaton-Sulabo, T. Axman, Kelly J.K. Getty, Elizabeth A.E. Boyle, N. Harper, K. Uppal, B. Barry, James J. Higgins

Kansas Agricultural Experiment Station Research Reports

Following several outbreaks involving Listeria monocytogenes in ready-to-eat meat and poultry products, the United States Department of Agriculture Food Safety and Inspection Service required that processors of these products implement post-processing intervention strategies for controlling L. monocytogenes. The USDA defines a postlethality treatment as a process that reduces L. monocytogenes by at least 1 log. Research has shown that packaging can generate a 1 log L. monocytogenes reduction following 1 or more weeks of storage at room temperature. The objective of our study was to determine the effect of packaging system and storage time on reducing L. monocytogenes on shelf-stable ...


Comparison Of Medicinal Feed Additives On Health And Growth Performance Of Beef Calves Grazing Native Grass Pasture, M.P. Epp, B. Greenwood, Dale A. Blasi Jan 2010

Comparison Of Medicinal Feed Additives On Health And Growth Performance Of Beef Calves Grazing Native Grass Pasture, M.P. Epp, B. Greenwood, Dale A. Blasi

Kansas Agricultural Experiment Station Research Reports

Optimizing growth rate is an important contributor to overall profitability for stocker cattle grazing native Flint Hills pasture. Disease challenges from pinkeye and foot rot have traditionally been problems that compromise health and productivity of stocker cattle in this grazing region. Use of medicinal feed additives as a part of a supplementation program may prevent health problems and improve overall productivity during a spring/summer grazing season.