Open Access. Powered by Scholars. Published by Universities.®

Life Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

Journal

Kansas Agricultural Experiment Station Research Reports

Other Animal Sciences

Keyword
Publication Year

Articles 1 - 30 of 3188

Full-Text Articles in Life Sciences

Effects Of Timing And Amount Of Feed Prior To Farrowing On Sow And Litter Performance Under Commercial Conditions, K. M. Gourley, A. J. Swanson, R. Q. Royall, J. C. Woodworth, J. M. Derouchey, M. D. Tokach, S. S. Dritz, R. D. Goodband, H. I. Calderón, K. J. Milnes, C. W. Hastad Jan 2020

Effects Of Timing And Amount Of Feed Prior To Farrowing On Sow And Litter Performance Under Commercial Conditions, K. M. Gourley, A. J. Swanson, R. Q. Royall, J. C. Woodworth, J. M. Derouchey, M. D. Tokach, S. S. Dritz, R. D. Goodband, H. I. Calderón, K. J. Milnes, C. W. Hastad

Kansas Agricultural Experiment Station Research Reports

A total of 727 mixed parity (mean = 3.8) sows were used to evaluate the effects of timing and size of meals before farrowing on sow and litter performance. Upon entry to the farrowing house (d 113), sows were blocked by weight within parity and allotted to 1 of 3 feeding management strategies until farrowing: 1) 6.0 lb lacta­tion diet (1.15% standardized ileal digestible lysine and 1,150 kcal/lb NE) once daily at 0700 h; 2) 4 daily meals of 1.5 lb (0100 h, 0700 h, 1300 h, 1900 h); 3) ad libitum lactation diet ...


Evaluating The Effects Of Pharmacological Levels Of Zinc Oxide, Diet Acidification And Dietary Crude Protein On Growth Performance Of Nursery Pigs, W. M. Hutchens, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband, H. I. Calderón Jan 2020

Evaluating The Effects Of Pharmacological Levels Of Zinc Oxide, Diet Acidification And Dietary Crude Protein On Growth Performance Of Nursery Pigs, W. M. Hutchens, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband, H. I. Calderón

Kansas Agricultural Experiment Station Research Reports

A total of 360 weaned pigs (DNA 200 × 400; initially 12.9 lb BW) were used in a 42-d growth study to evaluate the effects of pharmacological levels of zinc oxide (ZnO), diet acidification, and dietary crude protein (CP) on pig performance. Pigs were weaned at approximately 21-d of age and were randomly assigned to pens (5 pigs per pen) and allotted to 1 of 8 dietary treatments with 9 pens per treatment. Experimental diets were fed from d 0 to 21 with a common diet fed from d 21 to 42. The eight treatment diets were arranged as a ...


Effects Of Iron Injection Timing On Suckling And Subsequent Nursery And Growing-Finishing Performance And Hematological Criteria Under Commercial Conditions, H. E. Williams, B. Carrender, R. Maurer, J. M. Derouchey, J. C. Woodworth, S. S. Dritz, M. D. Tokach, R. D. Goodband, A. J. Holtcamp, K. F. Coble Jan 2020

Effects Of Iron Injection Timing On Suckling And Subsequent Nursery And Growing-Finishing Performance And Hematological Criteria Under Commercial Conditions, H. E. Williams, B. Carrender, R. Maurer, J. M. Derouchey, J. C. Woodworth, S. S. Dritz, M. D. Tokach, R. D. Goodband, A. J. Holtcamp, K. F. Coble

Kansas Agricultural Experiment Station Research Reports

A total of 1,892 newborn pigs (PIC 359 × C40; initially 3.3 lb body weight [BW]) within 172 litters were used in a 168-d study to evaluate the effects of Fe injection timing after birth on suckling and subsequent nursery and growing-finishing growth performance and hematological criteria. One day after birth, piglets were weighed, and 11 pigs within each litter were allotted to 1 of 6 treatments consisting of no Fe injection or 200 mg of injectable Fe provided on d 1, 3, 5, or 7 of age, or 200-mg on d 1 plus 200-mg on d 12 of ...


Effect Of Crude Protein Level And Coarse Wheat Bran On Nursery Pig Growth Performance, K. L. Batson, H. I. Calderón, M. D. Tokach, J. C. Woodworth, R. D. Goodband, S. S. Dritz, J. M. Derouchey Jan 2020

Effect Of Crude Protein Level And Coarse Wheat Bran On Nursery Pig Growth Performance, K. L. Batson, H. I. Calderón, M. D. Tokach, J. C. Woodworth, R. D. Goodband, S. S. Dritz, J. M. Derouchey

Kansas Agricultural Experiment Station Research Reports

Two experiments were conducted to determine the effect of adding coarse wheat bran with reduced crude protein level in diets without pharmacological levels of zinc oxide on the growth performance and fecal dry matter of nursery pigs. Our objective was to determine if a low-crude protein diet with an added fiber source might provide similar growth performance and reduce the incidence of scours in weanling pigs compared to a typical, high-protein diet with added Zn. A total of 300 and 350 pigs (DNA 241 × 600), initially 15.4 and 13.7 lb body weight (BW), were used in Exp. 1 ...


Effect Of Coarse Wheat Bran And Crude Protein Level In Nursery Pig Diets Without Pharmacological Levels Of Zinc Oxide, K. L. Batson, H. I. Calderón, M. D. Tokach, J. C. Woodworth, R. D. Goodband, S. S. Dritz, J. M. Derouchey Jan 2020

Effect Of Coarse Wheat Bran And Crude Protein Level In Nursery Pig Diets Without Pharmacological Levels Of Zinc Oxide, K. L. Batson, H. I. Calderón, M. D. Tokach, J. C. Woodworth, R. D. Goodband, S. S. Dritz, J. M. Derouchey

Kansas Agricultural Experiment Station Research Reports

A total of 360 pigs (200 × 400; DNA, Columbus, NE, initially = 12.4 lb) were used in a 45-d growth trial to evaluate the effects of coarse wheat bran and crude protein level in diets without pharmacological levels of zinc oxide (ZnO) on growth performance of nursery pigs. Upon arrival to the nursery research facility, pigs were randomly assigned to pens with 5 pigs per pen. Pens were allotted to 1 of 6 dietary treatments in a completely randomized design with 12 pens per treatment. Treatment diets were offered in two dietary phases (phase 1 fed from d 0 to ...


Effect Of Fiber Source And Crude Protein Level On Nursery Pig Performance, K. L. Batson, H. I. Calderón, M. D. Tokach, J. C. Woodworth, R. D. Goodband, J. M. Derouchey Jan 2020

Effect Of Fiber Source And Crude Protein Level On Nursery Pig Performance, K. L. Batson, H. I. Calderón, M. D. Tokach, J. C. Woodworth, R. D. Goodband, J. M. Derouchey

Kansas Agricultural Experiment Station Research Reports

A total of 360 pigs (200 × 400; DNA, Columbus, NE; initially = 11.0 lb) were used in a 45-d growth trial to evaluate the effects of fiber source and crude protein level on growth performance and fecal dry matter of nursery pigs. Upon arrival to the nursery research facility, pigs were randomly assigned to pens with 5 pigs per pen and 9 replicate pens per treatment. Dietary treatments were arranged in a 2 × 4 completely random­ized factorial with main effects of crude protein (21 or 18% CP) and fiber source (none, coarse wheat bran, oat hulls, or cellulose; Arbocel ...


Evaluation Of Cellulose In Diets With And Without Added Zno On Nursery Pig Performance, J. A. Chance, M. D. Tokach, H. I. Calderón, J. C. Woodworth, J. M. Derouchey, R. D. Goodband Jan 2020

Evaluation Of Cellulose In Diets With And Without Added Zno On Nursery Pig Performance, J. A. Chance, M. D. Tokach, H. I. Calderón, J. C. Woodworth, J. M. Derouchey, R. D. Goodband

Kansas Agricultural Experiment Station Research Reports

A total of 1,296 pigs (L337 × 1050; PIC, Hendersonville, TN; initially 10.6 lb) were used in a 42-d study to evaluate the addition of cellulose in diets with and without the inclusion of pharmacological levels of Zn on nursery pig growth performance. Pigs were weaned at approximately 20 d of age and randomly allotted to pens in a randomized complete block design by body weight (BW). Pens of pigs were allotted to 1 of 4 dietary treatments with 27 pigs per pen and 12 replications per treatment. Dietary treatments were arranged in a 2 × 2 factorial with main ...


Evaluation Of Aviplus On Growth Performance Of Nursery And Growing-Finishing Pigs, W. M. Hutchens, M. D. Tokach, J. C. Woodworth, J. M. Derouchey, R. D. Goodband, H. I. Calderón, K. Keppy, K. Stephens, P. Maynard Jan 2020

Evaluation Of Aviplus On Growth Performance Of Nursery And Growing-Finishing Pigs, W. M. Hutchens, M. D. Tokach, J. C. Woodworth, J. M. Derouchey, R. D. Goodband, H. I. Calderón, K. Keppy, K. Stephens, P. Maynard

Kansas Agricultural Experiment Station Research Reports

This experiment was conducted to determine the effect of AviPlus (a combination of micro-encapsulated sorbic and citric acids and synthetic thymol and vanillin botani­cals; Vetagro Inc., Chicago, IL) on growth performance during the wean-to-finish period in a commercial research environment. A total of 1,215 pigs (L337 × 1050; PIC, Hendersonville, TN) were used in a 156-d wean-to-finish experiment. Pigs were weaned at approximately 21 d of age and placed in pens based on initial body weight (BW) with 27 pigs per pen in a randomized complete block design. During the 42-day nursery period, pigs were allotted to 1 of ...


Evaluation Of Dietary Inclusion Of Specialty Protein Ingredients On Nursery Pig Performance, H. R. Williams, J. M. Derouchey, M. D. Tokach, J. C. Woodworth, R. D. Goodband, S. S. Dritz, J. W. Frank, T. Wang Jan 2020

Evaluation Of Dietary Inclusion Of Specialty Protein Ingredients On Nursery Pig Performance, H. R. Williams, J. M. Derouchey, M. D. Tokach, J. C. Woodworth, R. D. Goodband, S. S. Dritz, J. W. Frank, T. Wang

Kansas Agricultural Experiment Station Research Reports

A total of 1,215 pigs (PIC 337 × 1050; initially 11.0 lb body weight) were used in a 42-d growth trial to evaluate a new specialty protein blend prototype (Protein Blend, International Ingredient Corp., St. Louis, MO) on nursery growth performance. Pigs were randomly assigned to pens (27 pigs per pen) and pens were allotted by weight to 1 of 5 dietary treatments in a randomized complete block design with 9 pens per treatment. Treatments were arranged in a 2 × 2 + 1 negative control factorial arrange­ment with main effects of protein source (HP300, Hamlet Protein, Findlay, OH; and ...


Effects Of Different Corn Protein Sources And Level On Nursery Pig Growth Performance And Feed Efficiency, Z. X. Rao, J. C. Woodworth, M. D. Tokach, S. S. Dritz, J. M. Derouchey, R. D. Goodband, H. I. Calderón, K. Mertz Jan 2020

Effects Of Different Corn Protein Sources And Level On Nursery Pig Growth Performance And Feed Efficiency, Z. X. Rao, J. C. Woodworth, M. D. Tokach, S. S. Dritz, J. M. Derouchey, R. D. Goodband, H. I. Calderón, K. Mertz

Kansas Agricultural Experiment Station Research Reports

This experiment was conducted to determine the effects of 3 corn protein sources added at the expense of other specialty protein sources or corn on nursery pig growth performance and feed efficiency (F/G), and economic return. A total of 315 pigs (241 × 600; DNA, Columbus, NE; initially 12.1 lb) were used in a 35-d growth trial. There were 5 pigs per pen and 9 replicates per treatment. The treatments were struc­tured as a randomized complete block design and arranged in a 3×2+1 factorial with main effects of corn protein source (CP1, CP2, and CP3; Cargill ...


Evaluating The Route Of Antibiotic Administration And Its Effect On Nursery Pig Growth Performance, W. M. Hutchens, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband, H. I. Calderón, K. Habib, V. Ishengoma, T. G. Nagaraja, R. G. Amachawadi Jan 2020

Evaluating The Route Of Antibiotic Administration And Its Effect On Nursery Pig Growth Performance, W. M. Hutchens, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband, H. I. Calderón, K. Habib, V. Ishengoma, T. G. Nagaraja, R. G. Amachawadi

Kansas Agricultural Experiment Station Research Reports

This experiment was conducted to determine the influence of the route of antibiotic administration (in-feed vs. in-water) on nursery pig growth performance. A total of 2,592 pigs (L337 × 1050, PIC Hendersonville, TN; initially 14.5 lb) were used in a 28-d trial. Pigs were weaned at 21 d of age and placed in a commercial research facility with 27 pigs per pen. After a 7-d pre-trial period, pens of pigs were assigned to weight blocks in a randomized complete block design. There were 12 replications per treat­ment with pen as experimental unit for in-feed medication treatments and a ...


Determining The Phosphorus Release Curve For Smizyme Ts G5 2,500 Phytase In Nursery Pigs, M. R. Wensley, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, H. I. Calderón, J. M. Faser, B. L. Guo Jan 2020

Determining The Phosphorus Release Curve For Smizyme Ts G5 2,500 Phytase In Nursery Pigs, M. R. Wensley, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, H. I. Calderón, J. M. Faser, B. L. Guo

Kansas Agricultural Experiment Station Research Reports

A total of 280 nursery pigs (DNA 241 × 600, initially 22.8 lb) were used in a 21-d growth trial to determine the available P (aP) release curve for Smizyme TS G5 2,500 (Origination, LLC., Maplewood, MN). Pigs were weaned at approximately 21 d of age, randomly allotted to pens based on initial body weight (BW), and fed common starter diets. On d 21 post-weaning, considered d 0 of the study, pens were blocked by BW and randomly allotted to 1 of 7 dietary treatments with 5 pigs per pen and 8 pens per treatment. Seven 1-ton batches of ...


Influence Of Particle Size Of Enogen Feed High Amylase And Conventional Yellow Dent Corn On Lactating Sow Performance, H. R. Williams, M. D. Tokach, J. C. Woodworth, R. D. Goodband, J. M. Derouchey, S. S. Dritz, C. B. Paulk, H. I. Calderón Jan 2020

Influence Of Particle Size Of Enogen Feed High Amylase And Conventional Yellow Dent Corn On Lactating Sow Performance, H. R. Williams, M. D. Tokach, J. C. Woodworth, R. D. Goodband, J. M. Derouchey, S. S. Dritz, C. B. Paulk, H. I. Calderón

Kansas Agricultural Experiment Station Research Reports

A total of 107 sows (Line; 241 DNA; Columbus, NE) were used in a study to evaluate the effect of Enogen Feed corn and conventional yellow dent corn ground to different particle sizes in lactation diets on sow and litter performance. On d 107 of gestation, sows were blocked by body weight and parity and allotted to 1 of 4 dietary treatments. Dietary treatments consisted of 2 corn sources (Enogen Feed corn and conventional yellow dent) and 2 ground corn particle sizes (600 and 900 microns). A common diet was fed to sows from time of arrival into the farrowing ...


Influence Of Particle Size Of Enogen Feed High Amylase And Conventional Yellow Dent Corn On Nursery Pig Performance, H. R. Williams, H. R. Kerkaert, M. D. Tokach, J. C. Woodworth, R. D. Goodband, J. M. Derouchey, S. S. Dritz, C. B. Paulk, H. I. Calderón Jan 2020

Influence Of Particle Size Of Enogen Feed High Amylase And Conventional Yellow Dent Corn On Nursery Pig Performance, H. R. Williams, H. R. Kerkaert, M. D. Tokach, J. C. Woodworth, R. D. Goodband, J. M. Derouchey, S. S. Dritz, C. B. Paulk, H. I. Calderón

Kansas Agricultural Experiment Station Research Reports

A total of 360 pigs (DNA 200 × 400; initially 14.5 lb) were used in a 35-d growth trial to evaluate the influence of particle size of Enogen Feed high amylase (Enogen, Syngenta Seeds, LLC, Downers Grove, IL) and conventional yellow dent corn on nursery pig performance. Pigs were randomly assigned to pens (5 pigs per pen) and pens were allotted by weight to 1 of 6 dietary treatments in a randomized complete block design with 12 pens per treatment. Treat­ments were arranged in a 2 × 3 factorial with main effects of corn source (high amylase or conventional yellow ...


Influence Of Particle Size Of Enogen Feed High Amylase And Conventional Yellow Dent Corn On Finishing Pig Performance, Carcass Characteristics, And Stomach Ulceration, H. R. Williams, M. D. Tokach, J. C. Woodworth, R. D. Goodband, J. M. Derouchey, S. S. Dritz, V. Shivanna, C. B. Paulk, H. I. Calderón Jan 2020

Influence Of Particle Size Of Enogen Feed High Amylase And Conventional Yellow Dent Corn On Finishing Pig Performance, Carcass Characteristics, And Stomach Ulceration, H. R. Williams, M. D. Tokach, J. C. Woodworth, R. D. Goodband, J. M. Derouchey, S. S. Dritz, V. Shivanna, C. B. Paulk, H. I. Calderón

Kansas Agricultural Experiment Station Research Reports

A total of 323 pigs (DNA 241 × 600; initially 109.8 lb) were used in an 83-d growth trial to evaluate the influence of particle size of Enogen Feed corn (Enogen, Syngenta Seeds, LLC, Downers Grove, IL) and conventional yellow dent corn on finishing pig performance. Pigs were randomly assigned to pens (9 pigs per pen) and pens were allotted by weight to 1 of 6 dietary treatments in a randomized complete block design with 6 pens per treatment. Treatments were arranged in a 2 × 3 factorial with main effects of corn source (Enogen Feed corn or conventional yellow dent ...


Influence Of Enogen Feed Corn And Conventional Yellow Dent Corn In Pelleted- Or Meal-Based Diets On Finishing Pig Performance And Carcass Characteristics, H. R. Williams, M. D. Tokach, J. C. Woodworth, R. D. Goodband, J. M. Derouchey, S. S. Dritz, C. B. Paulk, H. K. Wecker, H. I. Calderón Jan 2020

Influence Of Enogen Feed Corn And Conventional Yellow Dent Corn In Pelleted- Or Meal-Based Diets On Finishing Pig Performance And Carcass Characteristics, H. R. Williams, M. D. Tokach, J. C. Woodworth, R. D. Goodband, J. M. Derouchey, S. S. Dritz, C. B. Paulk, H. K. Wecker, H. I. Calderón

Kansas Agricultural Experiment Station Research Reports

A total of 288 pigs (DNA 241 × 600; initially 117 lb) were used in a 72-d trial to evaluate the influence of Enogen Feed corn (Enogen, Syngenta Seeds, LLC; Downers Grove, IL) and conventional yellow dent corn in pelleted or meal diets on finishing pig performance and carcass characteristics. Pigs were randomly assigned to pens (8 pigs per pen) and pens were allotted by weight to 1 of 4 dietary treatments in a randomized complete block design with 9 pens per treatment. Treatments were arranged in a 2 × 2 factorial with main effects of corn source (Enogen Feed corn or ...


Evaluation Of High-Protein Distillers Dried Grains On Growth Performance And Carcass Characteristics Of Growing-Finishing Pigs, Z. X. Rao, R. D. Goodband, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, H. I. Calderón, M. F. Wilken Jan 2020

Evaluation Of High-Protein Distillers Dried Grains On Growth Performance And Carcass Characteristics Of Growing-Finishing Pigs, Z. X. Rao, R. D. Goodband, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, H. I. Calderón, M. F. Wilken

Kansas Agricultural Experiment Station Research Reports

A total of 1,890 growing-finishing pigs (PIC; 359 × 1050; initially 59.8 ± 1.3 lb) were used in a 124-d growth trial to compare the effects of high-protein distillers dried grains (HPDDG) or conventional distillers dried grains with solubles (DDGS) on growth performance and carcass characteristics. Conventional DDGS contained 29.0% CP, 0.48% standardized ileal digestible (SID) Lys, and 9.2% oil, whereas HPDDG contained 39.3% CP, 0.68% SID Lys, and 11.1% oil. All diets were formulated on an equal SID Lys-basis with diets containing HPDDG having less soybean meal than diets with conventional DDGS ...


Improving Performance Of Finishing Pigs With Added Valine, Isoleucine, And Tryptophan: Validating A Meta-Analysis Model, H. R. Kerkaert, H. S. Cemin, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, K. D. Haydon, C. Hastad, Z. Post Jan 2020

Improving Performance Of Finishing Pigs With Added Valine, Isoleucine, And Tryptophan: Validating A Meta-Analysis Model, H. R. Kerkaert, H. S. Cemin, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, K. D. Haydon, C. Hastad, Z. Post

Kansas Agricultural Experiment Station Research Reports

Based on a recent meta-analysis, we hypothesized that increased dietary Val, Ile, or Trp could correct possible amino acid interactions caused by high dietary Leu in diets containing high levels of corn protein, namely dried distillers grains with solubles (DDGS). A total of 1,200 pigs (PIC TR4 × (Fast LW × PIC L02); initially 74.0 ± 1.38 lb) were used in a 103-d study. The 6 dietary treatments were corn-soybean meal- DDGS-based diets as follows: 1) low level of Lys-HCl (HSBM), 2) high Lys-HCl and moderate Ile, Val, Trp (NC; AA above NRC4 estimates), 3) moderate Lys-HCl and high Ile ...


Determining The Effects Of Manganese Source And Level In Diets Containing High Levels Of Copper On Growth Performance Of Growing-Finishing Pigs, H. R. Kerkaert, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, N. E. Manzke Jan 2020

Determining The Effects Of Manganese Source And Level In Diets Containing High Levels Of Copper On Growth Performance Of Growing-Finishing Pigs, H. R. Kerkaert, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, N. E. Manzke

Kansas Agricultural Experiment Station Research Reports

A total of 1,994 pigs (PIC; 337 × 1050; initially 88.2 lb) were used to determine the effect of manganese (Mn) source and level on finishing pig growth performance. This experiment was a follow-up to an Mn source by level study conducted last year. However, unlike last year’s study, in the present study all diets contained 150 ppm added Cu from Cu hydroxychloride (IBC; Micronutrients, Indianapolis, IN). Dietary treatments were arranged in a 2 × 3 factorial with main effects of Mn source (Mn hydroxychloride, IntelliBond M, Micronutrients, Indianapolis, IN; or Mn sulfate, MnSO4, Eurochem, Veracruz, Mexico), and increasing ...


Effects Of Standardized Ileal Digestible Tryptophan:Lysine Ratio On Growth And Carcass Performance Of Finishing Pigs Fed Ractopamine Hcl, H. E. Williams, M. D. Tokach, S. S. Dritz, J. M. Derouchey, J. C. Woodworth, R. D. Goodband, J. A. Soto Jan 2020

Effects Of Standardized Ileal Digestible Tryptophan:Lysine Ratio On Growth And Carcass Performance Of Finishing Pigs Fed Ractopamine Hcl, H. E. Williams, M. D. Tokach, S. S. Dritz, J. M. Derouchey, J. C. Woodworth, R. D. Goodband, J. A. Soto

Kansas Agricultural Experiment Station Research Reports

Recent research has reported that increasing standardized ileal digestible (SID) Trp:Lys ratio above 20% in finishing pigs fed ractopamine HCl (RAC) resulted in improved growth and carcass performance, however, this response has been inconsistent. Therefore, the objective of this study was to evaluate the effects of feeding high SID Trp:Lys ratios with RAC on growth and carcass performance. A total of 1,791 finishing pigs (PIC 1050 × 337, initially 245.1 lb BW) were used in a 27-d study to evaluate the effects of feeding high SID Trp:Lys ratios on growth and carcass performance of pigs fed ...


Evaluation Of Nutritional Strategies To Reduce Growth Rate Of Pigs Beyond 200 Lb Body Weight, Z. X. Rao, J. T. Gebhardt, M. D. Tokach, J. C. Woodworth, J. M. Derouchey, R. D. Goodband Jan 2020

Evaluation Of Nutritional Strategies To Reduce Growth Rate Of Pigs Beyond 200 Lb Body Weight, Z. X. Rao, J. T. Gebhardt, M. D. Tokach, J. C. Woodworth, J. M. Derouchey, R. D. Goodband

Kansas Agricultural Experiment Station Research Reports

A total of 356 finishing pigs (DNA; 241 × 600; initially 196.3 ± 2.43 lb) were used in a 44-d growth trial to evaluate nutritional strategies to reduce growth rate of pigs beyond 200 lb body weight. A total of 3 diets were manufactured (control, Lys-deficient, and corn) and arranged into 4 nutritional strategies. In stage 1 (d 0 to 28), pens received one of two dietary treatments (control or Lys-deficient). Then on d 28, pens of pigs previously fed the control diet were separated into 2 groups, one fed the control diet and the other the corn diet. Pens ...


Evaluation Of Compensatory Growth Of 200 Lb Finishing Pigs Previously Fed A Low Lysine Diet, Z. X. Rao, J. T. Gebhardt, M. D. Tokach, J. C. Woodworth, J. M. Derouchey, Robert D. Goodband Jan 2020

Evaluation Of Compensatory Growth Of 200 Lb Finishing Pigs Previously Fed A Low Lysine Diet, Z. X. Rao, J. T. Gebhardt, M. D. Tokach, J. C. Woodworth, J. M. Derouchey, Robert D. Goodband

Kansas Agricultural Experiment Station Research Reports

A total of 346 pigs (241 × 600, DNA, Columbus, NE; initially 195.3 lb) were used in a 44-d trial to evaluate the compensatory growth of 200 lb finishing pigs previously fed a low lysine diet. Two diets were manufactured (control and corn diet) and arranged into 4 nutritional strategies. One group of pigs (control) was fed the control diet from d 0 to 44. The other three groups of pigs were fed the corn diet for 2, 3, or 4 weeks and then switched to the control diet until d 44. The control diet contained 13.0% crude protein ...


Practical Application Of Sample Size Determination Models For Assessment Of Mortality Outcomes In Swine Field Trials, J. T. Gebhardt, M. D. Tokach, S. S. Dritz, N. Cernicchiaro, A. L. Dixon, D. G. Renter, J. C. Woodworth, J. M. Derouchey, R. D. Goodband Jan 2020

Practical Application Of Sample Size Determination Models For Assessment Of Mortality Outcomes In Swine Field Trials, J. T. Gebhardt, M. D. Tokach, S. S. Dritz, N. Cernicchiaro, A. L. Dixon, D. G. Renter, J. C. Woodworth, J. M. Derouchey, R. D. Goodband

Kansas Agricultural Experiment Station Research Reports

Mortality within livestock production has a substantial impact on economic sustain­ability of enterprises. The livestock industry has a unique opportunity to maximize animal welfare and production efficiency by minimizing morbidity and mortality. To do so, investigators must appropriately balance the utilization of limited resources with the quantity necessary for robust research. The objective of the study was to illustrate the use of readily implementable statistical models to determine sample size neces­sary to detect statistically significant differences between groups with varying levels of mortality. To this end, a series of examples were created where the unit to which a ...


Effect Of The Pelleting Process On Diet Formulations With Varying Levels Of Crystalline Amino Acids And Reducing Sugars On Digestibility In Growing Pigs, K. M. Dunmire, D. A. Lopez, C. J. Fiehler, C. K. Jones, Y. Li, J. C. Woodworth, R. D. Goodband, M. D. Tokach, C. R. Stark, H. H. Stein, C. B. Paulk Jan 2020

Effect Of The Pelleting Process On Diet Formulations With Varying Levels Of Crystalline Amino Acids And Reducing Sugars On Digestibility In Growing Pigs, K. M. Dunmire, D. A. Lopez, C. J. Fiehler, C. K. Jones, Y. Li, J. C. Woodworth, R. D. Goodband, M. D. Tokach, C. R. Stark, H. H. Stein, C. B. Paulk

Kansas Agricultural Experiment Station Research Reports

The objective of this study was to determine the effect of thermal processing on the digestibility of amino acids (AA) in diets with or without increased concentrations of free amino acids and reducing sugars (RS). To measure AA digestibility, a total of eight individually housed barrows (initially 69.2 ± 6.8 lb) that had a T-cannula installed in the distal ileum were allotted to a replicated 8 × 8 Latin square design with 8 diets and eight 7-d periods. Thus, each pig was fed each diet in one period and no pig received the same diet more than once. Each period ...


Impact Of Storage Conditions And Premix Type On Fat-Soluble Vitamin Stability, M. Saensukjaroenphon, C. E. Evans, C. K. Jones, J. T. Gebhardt, J. C. Woodworth, C. R. Stark, J. R. Bergstrom, C. B. Paulk Jan 2020

Impact Of Storage Conditions And Premix Type On Fat-Soluble Vitamin Stability, M. Saensukjaroenphon, C. E. Evans, C. K. Jones, J. T. Gebhardt, J. C. Woodworth, C. R. Stark, J. R. Bergstrom, C. B. Paulk

Kansas Agricultural Experiment Station Research Reports

The objective of Exp. 1 was to determine the impact of 0, 30, 60, or 90 d storage time on fat-soluble vitamin stability when vitamin premix (VP) and vitamin trace mineral premix (VTM) are blended with 1% inclusion of medium chain fatty acids (MCFA; 1:1:1 blend of C6:C8:C10) or mineral oil (MO) with different environmental condi­tions. Treatments were arranged as a 2 × 2 × 2 × 4 factorial, with 2 premix type (VP or VTM), 2 oil type (MO or MCFA), 2 storage conditions [room temperature (RT) or high-heat, high-humidity (HTHH)] and 3 storage times (30, 60 ...


Effect Of Pellet Cooling Method, Sample Preparation, Storage Condition, And Storage Time On Phytase Activity Of A Swine Diet, M. Saensukjaroenphon, C. E. Evans, C. R. Stark, C. B. Paulk Jan 2020

Effect Of Pellet Cooling Method, Sample Preparation, Storage Condition, And Storage Time On Phytase Activity Of A Swine Diet, M. Saensukjaroenphon, C. E. Evans, C. R. Stark, C. B. Paulk

Kansas Agricultural Experiment Station Research Reports

Temperature and moisture content have been identified as two factors that influ­ence enzyme inactivation. Phytase may be further degraded in feed samples if there is moisture left in the sample and it is not properly stored prior to analysis. Therefore, the objective of this experiment was to determine the effect of cooling method, sample preparation, storage condition, and storage time on phytase stability. In Exp. 1, treat­ments were arranged in 2 × 2 factorial with main effects of sample preparation (none or freeze-dried) and storage condition (ambient storage or freezer storage). Diets were mixed 3 separate times to provide ...


Effect Of Dietary Formic Acid And Lignosulfonate On Pellet Quality, G. E. Nichols, C. R. Stark, A. M. Ogles, C. N. Truelock, N. M. Beckman, T. S. Winowiski, C. B. Paulk Jan 2020

Effect Of Dietary Formic Acid And Lignosulfonate On Pellet Quality, G. E. Nichols, C. R. Stark, A. M. Ogles, C. N. Truelock, N. M. Beckman, T. S. Winowiski, C. B. Paulk

Kansas Agricultural Experiment Station Research Reports

Nursery pig diets are pelleted to improve handling characteristics and pig performance. Feeding good quality pellets is important to achieve the maximum improvements in growth performance. Therefore, it is important to determine how feed additives included in nursery pig diets influence pellet quality. The objective of this study was to determine the effect of formic acid and lignosulfonate (LignoTech USA) inclusion in nursery pig diets on pelleting characteristics, pellet quality, and diet pH. The 5 treat­ments consisted of a control, or the control plus 2 concentrations of added formic acid (0.36% or 0.60%), or the control plus ...


Evaluation Of Conditioning Temperature And Die Specifications On Nursery Pig Performance, M. B. Braun, K. M. Dunmire, C. E. Evans, C. R. Stark, J. C. Woodworth, C. B. Paulk Jan 2020

Evaluation Of Conditioning Temperature And Die Specifications On Nursery Pig Performance, M. B. Braun, K. M. Dunmire, C. E. Evans, C. R. Stark, J. C. Woodworth, C. B. Paulk

Kansas Agricultural Experiment Station Research Reports

The objective of this study was to determine the effects on growth performance in nursery pigs that is linked to the conditioning temperature and die specifications used during the feed pelleting process. A total of 315 barrows (DNA; 200 × 400; initial BW 13.2 lb) were used in a 35-d growth trial. Upon arrival, pigs were weighed and assigned to pens in a completely randomized design with 5 pigs per pen, and each pen was randomly assigned to 1 of 7 dietary treatments with 9 replications per treatment. Treatments consisted of a mash control (MC) and 6 pelleted diets manufactured ...


Moisture Content Throughout The Pelleting Process And Subsequent Effects On Pellet Quality, H. K. Wecker, R. N. Kort, C. J. Fiehler, A. M. Ogles, J. R. Froetschner, C. R. Stark, C. B. Paulk Jan 2020

Moisture Content Throughout The Pelleting Process And Subsequent Effects On Pellet Quality, H. K. Wecker, R. N. Kort, C. J. Fiehler, A. M. Ogles, J. R. Froetschner, C. R. Stark, C. B. Paulk

Kansas Agricultural Experiment Station Research Reports

This experiment was designed to evaluate the effects of steam addition to the condi­tioner on moisture content throughout the pelleting process and subsequent effects on pellet quality. Treatments consisted of diets pelleted with no steam and steam added to achieve conditioning temperatures of 145 and 190°F. Conditioner retention time was set at 30 s and diets were pelleted with a ¼ × 2 ½ inch pellet die. Pellet samples were collected and immediately placed in an experimental counterflow cooler for 15 min. All treatments were replicated at 3 separate time points to provide 3 replicates per treatment. Mash, conditioned ...


Effect Of Added Water, Holding Time, Or Phytase Analysis Method On Phytase Stability And Pellet Quality, M. Saensukjaroenphon, C. E. Evans, C. R. Stark, C. B. Paulk Jan 2020

Effect Of Added Water, Holding Time, Or Phytase Analysis Method On Phytase Stability And Pellet Quality, M. Saensukjaroenphon, C. E. Evans, C. R. Stark, C. B. Paulk

Kansas Agricultural Experiment Station Research Reports

The addition of water to the mixer prior to pelleting is sometimes necessary to reach the target moisture content at the end of the conditioning process. However, there are limited data to demonstrate the impact of water addition in the mixer on phytase stability during the pelleting process. In addition, the variation of phytase analysis method may lead to incorrect or biased conclusions for research on industrial phytase stability. Therefore, the objective of this experiment was to determine the effect of water added in the mixer, feed holding time, and phytase analysis method on phytase stability and pellet quality. Treatments ...