Life Sciences Commons^™

Form Of Supplement And Addition Of Ionophore Effects On Steer Performance While Grazing Bromegrass And Subsequent Effects In Feedlot And Carcass Measures, J. K. Farney, K. Malone

Kansas Agricultural Experiment Station Research Reports

Stocker steers were grazed on bromegrass from April to the end of August and were supplemented with several different forms of products. Treatment structure was a 2 × 2 + 2 factorial (six total treatments). Treatments evaluated included mineral only; free-choice supplementation in the form of liquid feed (MIX30) or block format (Mintrate); hand-fed supplement of corn:dried distillers grains at 0.25% of body weight on a dry matter basis offered three times per week; and ionophore (Rumensin) was included in one block and hand-fed supplement. Steers were weighed every 28 days while on grass and in the feedlot. Steers were …

Assessment Of Soy-Based Imports Into The Us And Associated Foreign Animal Disease Status, Allison K. Blomme, Cassandra K. Jones, Jordan T. Gebhardt, Jason C. Woodworth, Chad B. Paulk

Kansas Agricultural Experiment Station Research Reports

Soy-based products are known to pose a viable risk to US swine herds because of their ability to harbor and transmit virus. This study evaluated soy imports into the US as a whole and from foreign animal disease positive (FAD+) countries to determine which products are being imported in the highest quantities and observe potential trends in imports from FAD+ countries. Import data were accessed through the United States International Trade Commission website (USITC DataWeb) and summarized using R (version 4.0.2, R core team, Vienna, Austria). Twenty-one different Harmonized Tariff Schedule (HTS) codes were queried to determine quantities (US tons, …

Determining The Influence Of Sample Preparation And Feed Form On The Predictability Of The Near Infrared Reflectance Spectroscopy Technique, Caitlin E. Evans, Nana S. Frempong, Thomas N. Nortey, Charles R. Stark, Chad B. Paulk

Kansas Agricultural Experiment Station Research Reports

The near infrared reflectance spectroscopy (NIRS) technique is a rapid and non-destructive technique used to evaluate the chemical composition of complete feed and ingredients. The accuracy of its prediction is not only affected by instrument calibrations but also by sample particle size, shape, and arrangement. The purpose of this study was to determine the effect sample preparation method and feed form (mash and pellet) have on the accuracy of the NIRS technique using standard calibrations provided with the instrument. The experiment was designed as a 3 × 2 factorial with three methods of analysis (laboratory, NIRS-ground, and NIRS-unground) and two …

A Meta-Regression Analysis To Evaluate The Influence Of Branched-Chain Amino Acids In Lactation Diets On Sow And Litter Growth Performance, Julia P. Holen, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Jordan T. Gebhardt, Evan C. Titgemeyer, Robert D. Goodband

Kansas Agricultural Experiment Station Research Reports

A meta-regression analysis was conducted to evaluate the effects of branched-chain amino acids (BCAA) in lactating sow diets on litter growth performance, sow body weight change, and sow feed intake. Thirty-four publications that represented 43 trials with similar dietary Lys, but varying BCAA were used to develop a database that contained 167 observations. Diets from each trial were reformulated using NRC nutrient loading values in an Excel-based spreadsheet. Significant predictor variables within three optimum equations developed for litter ADG included the count of weaned pigs per litter, NE, SID Lys, CP, sow ADFI, Val:Lys, Ile:Lys, and Leu:Val. The equations suggest …

Relationships Among Terminal Traits And Sale Prices Of Red Angus Bulls Sold At Auction From 2017 Through 2019, M. J. Smith, K. E. Fike, M. E. King, E. D. Mccabe, G. M. Rogers, K. G. Odde

Kansas Agricultural Experiment Station Research Reports

Objective:The objective of this study was to evaluate the influence of terminal traits in the form of selection indices and expected progeny differences on the sale price of Red Angus Bulls sold at auction from 2017 through 2019 across the United States.

Study Description:Information describing factors about Red Angus bulls marketed through auctions were obtained from the Red Angus Association of America (Commerce City, CO) in an electronic format. Data were collected for 21,362 Red Angus bulls offered for sale from 2017 through 2019. Multiple regression models were developed using backward selection procedures to examine the effect of …

Investigating The Contribution Of Mature Collagen Crosslinks To Cooked Meat Toughness Using A Stewed Beef Shank Model, W. Wu, A. A. Welter, C. K. Chun, T. G. O'Quinn, G. Magnin-Bissel, M. D. Chao

Kansas Agricultural Experiment Station Research Reports

Objective: The objective of this study was to investigate mature collagen crosslink densities and their relationship to connective tissue texture using a stewed beef shank model.

Study Description:Connective tissue texture, Warner-Bratzler shear force, and collagen content and characteristics were measured for six different beef shank cuts from eight U.S. Department of Agriculture Low Choice beef carcasses (n = 48).

Results: Deep digital flexor from the foreshankhad the toughest connective tissue texture, greatest Warner-Bratzler shear force value, most cooked collagen content, one of the greatest insoluble collagen percentages, as well as greatest raw and cooked pyridinoline densities …

Evaluation Of Implants, Clover, And Fescue Variety On Stocker Steers, Z. T. Buessing, J. K. Farney

Kansas Agricultural Experiment Station Research Reports

Sixty-four growing steers were used in a split-plot experiment, where the whole plot was pasture, and the split-plot was implants. Whole plot treatment was a 4 × 2 facto­rial with four levels of fescue (High Endophyte, Low Endophyte, Novel, or Endophyte Free) and two levels of legume (Legumes or No Legumes). The split-plot included four implant levels (No Implant, Synovex One Grass, Revalor-G, Ralgro). Data collected were weights, hair coat scores, hair length, rectal temperature (every 28 days), and ultrasound carcass characteristics coming off grass. Steers on High Endophyte had the lowest average daily gain (ADG), longest hair, and highest …

Stocker Steer Gains And Fly Numbers As Impacted By Burn Date And Type Of Mineral On Tallgrass Native Range, J. K. Farney, M. E. Reeb

Kansas Agricultural Experiment Station Research Reports

This study aims to evaluate effectiveness of two operational management systems for steer gains and fly control. The first strategy evaluated was pasture burn date of March (MAR) or April (APR). The second management strategy was free-choice mineral with spices (SPICE) or without spices (CON). Eight pastures (n = 281 steers; initial weight 612 ± 57 lb) were used in a 2 × 2 factorial treatment structure. Steers were weighed individually, randomly assigned to treatment, and grazed for 85 days. Weekly, 33% of steers were photographed to count flies and evaluated for hair coat score. Cattle on the APR-SPICE treatment …

Southeast Research And Extension Center Agricultural Research 2021

Kansas Agricultural Experiment Station Research Reports

Report of agricultural research from Southeast Research and Extension Center, Kansas State University.

Effect Of Floor Feeding Creep Feed On The Growth Performance And Mortality Of Pigs After Weaning, Madie R. Wensley, Mike D. Tokach, Robert D. Goodband, Jordan T. Gebhardt, Jason C. Woodworth, Joel M. Derouchey, Matt Allerson, Mariana Menegat, Andy Boeschert

Kansas Agricultural Experiment Station Research Reports

A total of 264 litters (PIC × Duroc (n = 180) or Choice Genetics × Duroc (n = 84)) corresponding to 2,497 nursery pigs were used in a 40-d trial (4-d pre-weaning and 36-d post-weaning) to determine the effect of floor feeding different pellet sizes of creep feed or lactation feed on the growth performance and mortality of pigs after weaning. Treatments were applied in the farrowing house for 4 d prior to weaning and consisted of a control (no creep feed), standard (1/8 in.) creep pellet, large (1/2 in.) creep pellet, or sow lactation feed. For each treatment, approximately …

Decreasing Corn Particle Size Increases Metabolizable Energy When Fed To Gestating Sows, Gage E. Nichols, Caitlin E. Evans, Julia P. Holen, Rachel N. Kort, Haley K. Wecker, Charles R. Stark, Chad B. Paulk

Kansas Agricultural Experiment Station Research Reports

Previous research has demonstrated that reducing the particle size of corn improved metabolizable energy (ME) utilization in many phases of swine production. One phase that has had limited research thus far is the gestating phase for sows. The objectives of this paper were to determine the effects of corn particle size on the digestibility of gross energy (GE), and determine the digestible energy (DE) and ME in gestating sow diets. A total of 27 sows during the second phase of gestation (d 40 to 74) were chosen and fed a common diet with corn ground to 1 of 3 target …

The Effect Of Live Yeast And Yeast Extracts Included In Lactation Diets On Sow And Litter Performance, Jenna A. Chance, Jordan T. Gebhardt, Joel M. Derouchey, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, Joseph A. Loughmiller, Brian Hotze

Kansas Agricultural Experiment Station Research Reports

A total of 80 sows (Line 241; DNA Genetics) across three farrowing groups were used in a study to evaluate the effect of feeding live yeast and yeast extracts to lactating sows on sow and litter performance. Sows were blocked by BW and parity on d 110 of gestation and allotted to 1 of 2 dietary treatments. Dietary treatments consisted of a standard corn-soybean meal lactation diet or a diet that contained yeast-based preand probiotics (0.10% Actisaf Sc 47 HR+ and 0.025% SafMannan; Phileo by Lesaffre, Milwaukee, WI). Diets were fed from d 110 of gestation until weaning (approximately d …

Effects Of Providing A Liquid Sensory Attractant To Suckling Pigs In Lactation And After Weaning On Post-Weaning Pig Performance, Madie R. Wensley, Ty Kim, Mike D. Tokach, Robert D. Goodband, Jason C. Woodworth, Joel M. Derouchey, Denny Mckilligan, Nathan Upah, Jordan T. Gebhardt

Kansas Agricultural Experiment Station Research Reports

A total of 28 litters (241 × 600, DNA) corresponding with 355 nursery pigs (241 × 600, DNA; initially 13.0 lb) were used in 42-d trial (17-d pre-weaning and 24-d post-weaning). This trial was conducted to determine the effect of providing a sensory attractant liquid (BlueLite Pro2Lyte; TechMix Global; Stewart, MN) to suckling pigs on the underline of sows after farrowing and in late lactation, and after weaning on post-weaning feed intake and growth. Treatments were arranged in a 2 × 2 × 2 factorial with main effects of: 1) pre-weaning treatment (without or with attractant); 2) postweaning treatment (without …

The Effect Of Live Yeast And Yeast Extracts On Antimicrobial Susceptibilities Of Fecal Escherichia Coli Of Nursery Pigs Weaned From Sows Fed Diets With Or Without Yeast Additives, Jenna A. Chance, Jordan T. Gebhardt, Joel M. Derouchey, R. G. Amachawadi, V. Ishengoma, T. G. Nagaraja, M. D. Tokach, Jason C. Woodworth, Robert D. Goodband, Qing Kang, Joseph A. Loughmiller

Kansas Agricultural Experiment Station Research Reports

A total of 340 weaned pigs (Line 241 × 600, DNA; initially 11.2 lb BW) were used in a 45-d study to evaluate previous sow treatment (control vs. yeast additives) and nursery diets with or without added yeast-based pre- and probiotics (Phileo by Lesaffre, Milwaukee, WI) on antimicrobial resistance (AMR) patterns of fecalEscherichia coli. At placement in the nursery, pigs were housed by pen based on sow treatment and randomly assigned to 1 of 2 dietary treatments with 5 pigs per pen and 17 pens per treatment. Treatments were arranged in a 2 × 2 factorial with main …

Effects Of Mat Feeding On The Growth Performance And Mortality Of Pigs After Weaning, Madie R. Wensley, Mike D. Tokach, Robert D. Goodband, Jordan T. Gebhardt, Jason C. Woodworth, Joel M. Derouchey, Matt Allerson, Mariana Menegat

Kansas Agricultural Experiment Station Research Reports

Three experiments were conducted to determine the effect of different mat feeding strategies on the growth performance and morbidity and mortality of pigs after weaning. Upon arrival to the nursery facility, pigs were randomized to pen. A total of 96 pens (48 feeders) with 30 to 35 pigs/pen were used for each experiment, with one barrow pen and one gilt pen per feeder. Thus, feeder (2 pens) was the experimental unit. Feeders were then blocked by group (date of placement) and randomly allotted to treatment. In Exp. 1, treatments consisted of two feed management strategies; mat feeding vs. no mat …

Effect Of Calcium Carbonate Level With Or Without Benzoic Acid On Weanling Pig Growth Performance, Fecal Dry Matter, And Blood Calcium And Phosphorus Concentrations, Alan J. Warner, Joel M. Derouchey, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, Jordan T. Gebhardt

Kansas Agricultural Experiment Station Research Reports

A total of 360 barrows (DNA Line 200 × 400; initially 13.6 ± 0.07 lb) were used in a 38-d study to evaluate the interactive effects of added dietary calcium carbonate and benzoic acid on nursery pig growth performance, fecal dry matter, and blood Ca and P concentration. Upon arrival to the nursery research facility, pigs were randomly assigned to pens (5 pigs per pen) and pens were allotted to 1 of 6 dietary treatments with 12 pens per treatment. Dietary treatments were formulated to provide 0.45, 0.90, or 1.35% calcium carbonate, with or without 0.5% benzoic acid (VevoVitall, DSM …

Effect Of Dietary Salt And Zinc Level On Growth Performance And Fecal Dry Matter Of Nursery Pigs, Ethan B. Stas, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Robert D. Goodband, Jordan T. Gebhardt

Kansas Agricultural Experiment Station Research Reports

A total of 360 pigs (Line 600 × 241, DNA; initially 12.6 ± 0.5 lb) were used to determine the effect of feeding different levels of dietary Na alone or in combination with pharmacological levels of Zn on growth performance and fecal dry matter of nursery pigs. At weaning, pigs were randomly allotted to pens (6 pigs per pen) and fed a common diet for 7 days. On d 7 after weaning (d 0 of the trial), pigs were assigned to 1 of 6 dietary treatments with 10 replications per treatment. Dietary treatments were arranged in a 2 × 3 …

Evaluation Of Vegetable Protein Sources On Nursery Pig Performance In A Commercial Environment, Rafe Q. Royall, Joel M. Derouchey, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, Jordan T. Gebhardt, Keith D. Haydon

Kansas Agricultural Experiment Station Research Reports

This experiment was conducted to determine the effect of vegetable protein sources on growth and economic performance of nursery pigs in a commercial research environment. A total of 2,592 pigs (L337 × 1050, PIC; initial BW of 11.8 ± 0.11 lb) were used in a 42-d study. Pens of pigs were blocked by BW and weaning date and allotted to 1 of 6 dietary treatments in a randomized complete block design with 27 pigs per pen and 16 replications per treatment across 2 rooms. Similar numbers of barrows and gilts were placed in each pen. There were six dietary treatments …

Evaluation Of Vomitoxin Control Strategies On Nursery Pig Growth Performance And Blood Measures, Larissa L. Becker, Jordan T. Gebhardt, Mike D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jason C. Woodworth, Arnau Vidal, Christos Gougoulias

Kansas Agricultural Experiment Station Research Reports

A total of 4,318 pigs (337 × 1050, PIC; initially 14.3 ± 0.18 lb) were used in a 35-d growth trial to evaluate mycotoxin control strategies on nursery pig performance and blood measures. Pigs were weaned at approximately 21 d of age and randomly allotted to 1 of 5 dietary treatments. The randomized complete block design was blocking structure including sow farm origin, date of entry into the facility, and average pen BW. A total of 160 pens were used with 80 double-sided 5-hole stainless steel fence line feeders, with feeder serving as the experimental unit. For each feeder, 1 …

Influence Of Feed Grade Amino Acid Inclusion Level In Late Nursery And Grower Diets Fed To Pigs From 21 To 75 Lb, Hadley R. Williams, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Robert D. Goodband, Jordan T. Gebhardt, Chad W. Hastad, Zach B. Post, Keith D. Haydon

Kansas Agricultural Experiment Station Research Reports

A total of 912 pigs (PIC TR4 × (Fast LW × PIC L02); initially 21.4 lb) were used in a 43-d trial to evaluate the influence of feed grade amino acid in diets containing 30% dried distillers grains with solubles (DDGS) fed to pigs from 21 to 75 lb. Pigs were randomly assigned to pens (19 pigs per pen) and pens were randomly allotted in weight blocks to 1 of 4 dietary treatments with 12 pens per treatment. Dietary treatments contained low, medium, high, or very high additions of feed grade amino acids with L-lysine added at approximately 0.25, 0.40, …

Evaluation Of How Nursery Pig Performance Is Affected By Fermented Corn Protein As A Replacement To Enzymatically Treated Soybean Meal Along With High Or Low Branch Chain Amino Acid To Leucine Ratios, Ethan B. Stas, Jenna A. Chance, Robert D. Goodband, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Jordan T. Gebhardt

Kansas Agricultural Experiment Station Research Reports

Two experiments were conducted to determine if fermented corn protein can serve as a replacement to enzymatically treated soybean meal and what the effects may be with high or low branch chain amino acids (BCAA):Leu ratios on nursery pig performance. In Exp. 1, a total of 350 barrows (200 × 400, DNA; initially 13.2 lb) were randomly allotted to 1 of 5 treatments with 5 pigs per pen and 14 replications per treatment. Dietary treatments were arranged in a 2 × 2 + 1 factorial with a control diet or diets with 5 or 10% fermented corn protein or enzymatically …

Effects Of Standardized Ileal Digestible Lysine On Growth Performance And Economic Return Of 200 To 300 Lb Grow-Finish Pigs, Larissa L. Becker, Emily E. Scholtz, Joel M. Derouchey, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, Jordan T. Gebhardt, Jon A. De Jong, Fangzhou Wu, Kiah M. Gourley, Joe P. Ward, Casey R. Neill

Kansas Agricultural Experiment Station Research Reports

A total of 2,099 barrows and gilts (PIC 1050 × DNA 600; initially 198.6 ± 3.72 lb) were used in a 57-d study to determine the optimal dietary standardized ileal digestible (SID) Lys level for approximately 200 to 300 lb pigs in a commercial setting. Pigs were randomly allotted to 1 of 4 dietary treatments with 24 to 27 pigs per pen and 20 replications per treatment. A similar number of barrows and gilts were placed in each pen. Diets were fed over 2 phases (199 to 233 and 233 to 299 lb respectively). Dietary treatments were corn-soybean meal-based. Diets …

Effects Of Standardized Ileal Digestible Lysine Level On Growth Performance Of 80 To 120 Lb Dna Grow-Finish Pigs, Rafe Q. Royall, Robert D. Goodband, Mike D. Tokach, Joel M. Derouchey, Jordan T. Gebhardt, Jason C. Woodworth

Kansas Agricultural Experiment Station Research Reports

The objective of this study was to estimate the SID Lys requirement for growth and feed efficiency of 80- to 120-lb DNA grow-finish pigs. A total of 608 barrows and gilts (600 × 241, DNA; initially 80.2 ± 2.0 lb) were used in two separate studies lasting 14 and 21 d, respectively. Pens of pigs were blocked by BW and randomly allotted to 1 of 6 dietary treatments with 7 to 9 pigs per pen and 12 replications per treatment in a randomized complete block design. Similar number of barrows and gilts were placed in each pen. Dietary treatments were …

Effects Of Standardized Ileal Digestible Lysine Level On Growth Performance In 120 To 170 Lb Dna Finishing Pigs, Rafe Q. Royall, Robert D. Goodband, Mike D. Tokach, Joel M. Derouchey, Jordan T. Gebhardt, Jason C. Woodworth

Kansas Agricultural Experiment Station Research Reports

The objective of this study was to estimate the SID Lys requirement for growth and feed efficiency of 120- to 170-lb finishing pigs. A total of 700 barrows and gilts (600 × 241, DNA; initial BW of 117.2 ± 1.89 lb) were used in two separate studies, each lasting 21-d. Pens of pigs were blocked by BW and randomly allotted to 1 of 6 dietary treatments with 8 to 10 pigs per pen in a randomized complete block design. A similar number of barrows and gilts were placed in each pen. Dietary treatments were corn-soybean meal-based and formulated to 0.65, …

Effect Of Increasing L-Lysine-Hcl And Amino Acid Ratios On Performance Of Finishing Pigs From 240 To 285 Lb, Larissa L. Becker, Mike D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jason C. Woodworth, Jordan T. Gebhardt

Kansas Agricultural Experiment Station Research Reports

A total of 1,789 pigs (337 × 1050, PIC; initial BW 240.0 ± 2.51 lb) were used to determine the effects of increasing L-Lys-HCl and AA ratios on performance of late finishing pigs fed diets without DDGS. The study used 2 groups of pigs and each study lasted 18 and 27 d, respectively. Pigs were housed in mixed gender pens with 20 to 25 pigs per pen and 19 replications per treatment (10 and 9 replications per group, respectively). Pens of pigs were blocked by BW and randomly allotted to 1 of 4 dietary treatments. Treatment diets consisted of low, …

Evaluation Of Increasing Dietary Threonine To Lysine Ratio In Corn Soybean Meal Diets With And Without Ddgs On Growth Performance And Carcass Characteristics Of Growing-Finishing Pigs, Andres F. Tolosa, Mike D. Tokach, Robert D. Goodband, Jason C. Woodworth, Joel M. Derouchey, Jordan T. Gebhardt

Kansas Agricultural Experiment Station Research Reports

A total of 2,160 pigs (PIC 337 × 1050; initial BW 77.3 lb) were used in a 112-d growth trial to evaluate the effects of normal or high SID Thr:Lys ratio in diets with and without DDGS on growth performance. Pigs were randomly assigned to pens (27 pigs per pen) in a randomized complete block design by BW with 20 replications per treatment. Pens of pigs were allotted to 1 of 4 dietary treatments arranged in a 2 × 2 factorial with main effects of dietary Thr level (Normal vs. High) and DDGS (with or without DDGS). Treatment diets were …

Effects Of Increasing Soybean Meal In Diets Based On Corn And Dried Distillers Grains With Solubles On Growth Performance And Carcass Characteristics Of Late Finishing Pigs, Julia P. Holen, Robert D. Goodband, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey

Kansas Agricultural Experiment Station Research Reports

A total of 1,827 pigs (L337 × 1050, PIC; initially 215.8 ± 2.5 lb) were used to evaluate the effects of increasing soybean meal (SBM) in corn-DDGS-based diets on growth performance of late finishing pigs. Pens were blocked by BW and randomly assigned to 1 of 5 dietary treatments with 14 replications per treatment. Experimental diets were corn-based with 25% DDGS. Soybean meal levels increased from 0 to 16% in 4% increments replacing added feed grade AA. Pens of pigs were weighed to evaluate ADG, ADFI, and F/G. Data were analyzed with the GLIMMIX procedure of SAS and pen was …

Effects Of Reducing The Digestible Lysine And Tryptophan To Lysine Ratio On Growth Performance Of Grow-Finish Pigs, Andres F. Tolosa, Mike D. Tokach, Robert D. Goodband, Jason C. Woodworth, Joel M. Derouchey, Jordan T. Gebhardt, Craig Steck, Matt L. Wolfe

Kansas Agricultural Experiment Station Research Reports

A total of 1,080 finishing pigs (327 × 1050, PIC; initially 71.3 ± 1.91 lb) were used in a 119-d growth trial to evaluate the effects of reducing the dietary SID Lys and SID Trp:Lys ratio on growth performance to find strategies to reduce growth rate of pigs during the grow-finish period. Pigs were allotted by initial BW and randomly assigned to 1 of 4 dietary treatments in a completely randomized block design with 27 pigs per pen and 10 pens per treatment. Dietary treatments were corn-soybean meal-based diets with DDGS. Three dietary regimes were formulated to contain either 100, …

Estimating The Net Energy Value Of Expelled, Extruded Soybean Meal When Fed To Nursery Pigs, Allison K. Blomme, Haley K. Wecker, Mike D. Tokach, Jason C. Woodworth, Charles R. Stark, Chad B. Paulk

Kansas Agricultural Experiment Station Research Reports

Solvent-extracted soybean meal (SSBM) is typically used as the primary protein source in swine diets in the United States. Mechanically extracted or expelled soybean meal (MSBM) typically has increased concentrations of fat and decreased concentrations of essential AA compared to SSBM, but MSBM has been demonstrated to have improved AA digestibility. This study aimed to estimate the NE value of MSBM relative to SSBM and to determine its effects on growth performance of late nursery pigs. A total of 297 pigs (241 × 600, DNA) were weaned (BW 11.2 lb) and placed into 60 pens (2 rooms of 30 pens) …

Effects Of The Pelleting Process On Diet Formulations With Varying Levels Of Crystalline Amino Acids And Reducing Sugars On Nursery Pig Growth Performance, Kara M. Dunmire, Michaela B. Braun, Yiqin Zhang, Cassandra K. Jones, Yonghui Li, Jason C. Woodworth, Robert D. Goodband, Mike D. Tokach, Adam C. Fahrenholz, Charles R. Stark, Chad B. Paulk

Kansas Agricultural Experiment Station Research Reports

Pelleting swine feed and the use of crystalline amino acids and by-product ingredients can potentially create ideal conditions that further facilitate the Maillard browning reaction. The Maillard reaction combines an amino group of a free amino acid and a carbonyl group of a reducing sugar (RS), making the amino acid less available. The objective of this study was to determine the effects of pelleting swine diets containing free amino acids and reducing sugars at high temperatures on nursery pig growth performance. A total of 360 pigs (initially 25.0 lb; Line 200 × 400; DNA, Columbus, NE) were used in a …