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Effects Of Standardized Ileal Digestible Tryptophan To Lysine Ratio On Growth Performance Of Pic Line 337 × 1050 Pigs, Rafe Q. Royall, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Robert D. Goodband, Jordan T. Gebhardt, Carine M. Vier, Matthew Spindler, Uislei Orlando, Luis Zaragoza, Ning Lu, Wayne Cast, Danielle F. Wilson-Wells, Julia P. Holen, Alyssa M. Betlach
Effects Of Standardized Ileal Digestible Tryptophan To Lysine Ratio On Growth Performance Of Pic Line 337 × 1050 Pigs, Rafe Q. Royall, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Robert D. Goodband, Jordan T. Gebhardt, Carine M. Vier, Matthew Spindler, Uislei Orlando, Luis Zaragoza, Ning Lu, Wayne Cast, Danielle F. Wilson-Wells, Julia P. Holen, Alyssa M. Betlach
Kansas Agricultural Experiment Station Research Reports
The objective of these experiments was to evaluate the impact of varying SID Trp:Lys ratios on growth performance, removals, and mortality rates of PIC 337 × 1050 finishing pigs. In each experiment, pens of pigs were blocked by BW and randomly assigned to 1 of 5 dietary treatments in a randomized complete block design with 22 to 27 pigs per pen and 6 or 7 replications per treatment. In Exp. 1, 840 pigs (initially 101.2 ± 2.08 lb) were used from 101 to 161 lb. In Exp. 2, 801 pigs (initially 219.8 ± 3.44 lb) were used from 220 to …
Effects Of Standardized Ileal Digestible Threonine To Lysine Ratio On Growth Performance Of Pic Line 337 × 1050 Pigs, Rafe Q. Royall, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Robert D. Goodband, Jordan T. Gebhardt, Carine M. Vier, Matthew Spindler, Uislei Orlando, Luis Zaragoza, Ning Lu, Wayne Cast, Danielle F. Wilson-Wells, Julia P. Holen, Alyssa M. Betlach
Effects Of Standardized Ileal Digestible Threonine To Lysine Ratio On Growth Performance Of Pic Line 337 × 1050 Pigs, Rafe Q. Royall, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Robert D. Goodband, Jordan T. Gebhardt, Carine M. Vier, Matthew Spindler, Uislei Orlando, Luis Zaragoza, Ning Lu, Wayne Cast, Danielle F. Wilson-Wells, Julia P. Holen, Alyssa M. Betlach
Kansas Agricultural Experiment Station Research Reports
The objective of this research was to evaluate the impact of varying SID Thr:Lys ratios on growth performance, removals, and mortality rates of late-nursery, grower, and finishing PIC 337 × 1050 pigs. In each experiment, pens of pigs were blocked by BW and randomly assigned to 1 of 5 dietary treatments in a randomized complete block design with 19 to 27 pigs per pen and 8, 7, and 7 replications per treatment in Exp. 1, 2, and 3, respectively. In Exp. 1, 987 pigs (initially 26.0 ± 0.70 lb) were used from 26 to 54 lb. In Exp. 2, 875 …
Effects Of Feeding Increasing Standardized Ileal Digestible Lysine On Growth Performance Of 26- To 300-Lb Pic Line 800-Sired Pigs, Katelyn N. Gaffield, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Robert D. Goodband, Jordan T. Gebhardt, Carine M. Vier, Matthew Spindler, Uislei Orlando, Luis Zargoza, Ning Lu, Wayne Cast, Danielle F. Wilson-Wells, Julia P. Holen, Alyssa M. Betlach
Effects Of Feeding Increasing Standardized Ileal Digestible Lysine On Growth Performance Of 26- To 300-Lb Pic Line 800-Sired Pigs, Katelyn N. Gaffield, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Robert D. Goodband, Jordan T. Gebhardt, Carine M. Vier, Matthew Spindler, Uislei Orlando, Luis Zargoza, Ning Lu, Wayne Cast, Danielle F. Wilson-Wells, Julia P. Holen, Alyssa M. Betlach
Kansas Agricultural Experiment Station Research Reports
The objective of this study was to evaluate the growth performance and economic returns of PIC 800 × 1050 pigs fed increasing SID Lys from approximately 26 to 300 lb. Pens of pigs were blocked by BW and randomly assigned to 1 of 5 dietary treatments in a randomized complete block design with 26 pigs per pen and 16 pens per treatment. Pens were provided 1 of 5 dietary treatments with increasing SID Lys at 85, 93, 100, 107, and 115% of current PIC recommendations within 6 different phases. Two base diets containing low Lys and high Lys were blended …
Effects Of Increasing Standardized Ileal Digestible Lysine On Growth Performance Of 40- To 90-Pound Dna Pigs, Rafe Q. Royall, Robert D. Goodband, Mike D. Tokach, Joel M. Derouchey, Jordan T. Gebhardt, Jason C. Woodworth
Effects Of Increasing Standardized Ileal Digestible Lysine On Growth Performance Of 40- To 90-Pound Dna 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 40- to 90-lb DNA pigs. A total of 300 pigs (600 × 241, DNA; initially 40.6 ± 1.11 lb) were used in a 24-d trial. Pens of pigs were blocked by BW and randomly allotted to 1 of 6 dietary treatments with 5 pigs per pen and 10 pens per treatment in a randomized complete block design. Dietary treatments were corn-soybean meal-based and formulated to contain 1.00, 1.10, 1.20, 1.30, 1.40, and 1.50% SID Lys. Increasing SID Lys increased (linear,P= …
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
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 170 To 220 Lb Dna Finishing Pigs, Rafe Q. Royall, Robert D. Goodband, Mike D. Tokach, Joel M. Derouchey, Jordan T. Gebhardt, Jason C. Woodworth
Effects Of Standardized Ileal Digestible Lysine Level On Growth Performance In 170 To 220 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 170- to 220-lb finishing pigs. A total of 616 barrows and gilts (600 × 241, DNA; initially 168.3 ± 2.7 lb BW) were used in two separate studies each lasting 21 d. Pens of pigs were blocked by BW and randomly allotted to 1 of 7 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 0.58, …
Effects Of Standardized Ileal Digestible Lysine Level On Growth Performance In 230 To 285 Lb Dna Finishing Pigs, Rafe Q. Royall, Robert D. Goodband, Mike D. Tokach, Joel M. Derouchey, Jordan T. Gebhardt, Jason C. Woodworth
Effects Of Standardized Ileal Digestible Lysine Level On Growth Performance In 230 To 285 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 230- to 285-lb DNA finishing pigs. A total of 679 barrows and gilts (600 × 241, DNA; initial BW of 228.8 ± 2.9 lb) were used in two separate studies lasting 21- and 28-d, respectively. 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 …
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
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 ractopamine HCl (RAC, Paylean, …
Evaluation Of High Standardized Ileal Digestible Tryptophan:Lysine Ratios With Ractopamine Hcl On Growth And Carcass Performance Of Pigs From 240 To 295 Lb, J. Soto, M. D. Tokach, K. J. Touchette, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Evaluation Of High Standardized Ileal Digestible Tryptophan:Lysine Ratios With Ractopamine Hcl On Growth And Carcass Performance Of Pigs From 240 To 295 Lb, J. Soto, M. D. Tokach, K. J. Touchette, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 935 pigs (PIC 1050 × 337, initially 237.2 lb BW) were used in a 22-d trial to determine the effects of feeding high levels of standardized ileal digestible (SID) Trp:Lys ratio in diets with ractopamine HCl (RAC, Paylean, Elanco Animal Health, Greenfield, IN) on growth and carcass performance of finishing pigs. Pens of 23 or 24 pigs were allotted by BW and randomly assigned to 1 of 5 dietary treatments with 8 replications per treatment. The dietary treatments included 5 SID Trp:Lys ratios (20, 22, 24, 26, and 28% of Lys). All diets were formulated to 0.90% …
Determination Of The Optimum Standardized Ileal Digestible Lysine Concentration For Finishing Pigs From 225 To 280 Lb, J. Soto, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Determination Of The Optimum Standardized Ileal Digestible Lysine Concentration For Finishing Pigs From 225 To 280 Lb, J. Soto, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
The objective of this study was to determine the standardized ileal digestible (SID) Lys requirement for growth and carcass performance of 225- to 280-lb finishing pigs. A total of 253 pigs (DNA 600 × 241, initially 224.9 lb BW) were used in a 23-d trial. Pens were blocked by BW and were randomly assigned to diets with 7 or 8 pigs per pen and 8 pens per treatment in a randomized complete block design. Diets were corn and soybean meal-based and fed in meal form. Dietary treatments consisted of 0.45, 0.55, 0.65, or 0.75% SID Lys. Increasing SID Lys increased …
Optimum Level Of Dietary Crude Protein For Growth Performance And Carcass Characteristics Of Finishing Pigs From 245 To 300 Lb, J. Soto, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Optimum Level Of Dietary Crude Protein For Growth Performance And Carcass Characteristics Of Finishing Pigs From 245 To 300 Lb, J. Soto, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 238 pigs (DNA 600 × 241, initially 246.4 lb) were used in a 26-d trial to determine the optimum dietary CP concentration for growth performance and carcass characteristics of finishing pigs. Pens of 7 or 8 pigs were allotted by BW and randomly assigned to 1 of 5 dietary treatments with 6 replications per treatment. Dietary treatments included 5 levels of CP (9, 10, 11, 12, and 13%) that were formed by reducing the amount of feed-grade amino acids and increasing soybean meal in a corn-based diet. At d 26, pigs were transported to a packing plant …
Determination Of The Optimum Levels Of Dietary Crude Protein For Growth Performance And Carcass Characteristics Of Finishing Pigs From 240 To 280 Lb, J. Soto, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Determination Of The Optimum Levels Of Dietary Crude Protein For Growth Performance And Carcass Characteristics Of Finishing Pigs From 240 To 280 Lb, J. Soto, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 224 pigs (PIC 327 × 1050, initially 241.1 lb) were used in a 20-d trial to determine the optimum dietary CP concentration for growth performance and carcass characteristics of finishing pigs. Pens of 7 pigs were allotted by BW and randomly assigned to 1 of 4 dietary treatments with 7 or 8 replications per treatment. Dietary treatments included 4 levels of CP (10, 11, 12, and 13%) that were formed by reducing the amount of crystalline Lys in a corn-soybean meal diet. At d 20, pigs were transported to a packing plant for processing and carcass data …
Effects Of Standardized Ileal Digestible Lysine Content In Low Crude Protein Diets On Finishing Pig Performance And Economics From 230 To 280 Lb, J. T. Gebhardt, M. A. Goncalves, M. D. Tokach, J. M. Derouchey, R. D. Goodband, J. C. Woodworth, S. S. Dritz
Effects Of Standardized Ileal Digestible Lysine Content In Low Crude Protein Diets On Finishing Pig Performance And Economics From 230 To 280 Lb, J. T. Gebhardt, M. A. Goncalves, M. D. Tokach, J. M. Derouchey, R. D. Goodband, J. C. Woodworth, S. S. Dritz
Kansas Agricultural Experiment Station Research Reports
The objective of this study was to estimate the nutritional requirement of standardized ileal digestible (SID) Lys on growth performance and economics of 230- to 280-lb finishing pigs housed in a commercial environment and fed diets not containing ractopamine HCl. A total of 1,101 gilts (PIC L327 × 1050, initially 233.4 lb BW) were used in a 28-d growth trial. Pens were blocked by BW and were randomly assigned to diets with 27 pigs per pen and 7 pens per treatment in a randomized complete block design. Diets were corn and soybean meal-based and fed in meal form, with dietary …