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Articles 151 - 161 of 161
Full-Text Articles in Life Sciences
Acknowledgments, E. A. Boyle
Acknowledgments, E. A. Boyle
Kansas Agricultural Experiment Station Research Reports
Listed below are individuals, organizations, and firms that have contributed to the beef research program through financial support, product donations, or services.
Cattlemen's Day 2019, E. A. Boyle
Cattlemen's Day 2019, E. A. Boyle
Kansas Agricultural Experiment Station Research Reports
Report for 2019 on Kansas beef cattle research, including cattle management, cattle nutrition, and meat science.
Effect Of Steam Pressure And Conditioning Temperature During The Pelleting Process On Phytase Stability, C. N. Truelock, N. E. Ward, J. W. Wilson, C. R. Stark, C. B. Paulk
Effect Of Steam Pressure And Conditioning Temperature During The Pelleting Process On Phytase Stability, C. N. Truelock, N. E. Ward, J. W. Wilson, C. R. Stark, C. B. Paulk
Kansas Agricultural Experiment Station Research Reports
This experiment was designed to evaluate the effects of steam pressure and conditioning temperature on the stability of microbial phytase. Treatments were arranged as a 2 × 3 factorial of steam pressure (24 and 44 psi) and conditioning temperature (170, 180, and 190°F). Phytase was added to a corn-soybean meal-based diet and mash samples were collected for phytase analysis. The diet was pelleted via steam conditioning (10 × 55 in Wenger twin staff pre-conditioner, Model 150) and using a pellet mill (CPM Model 1012-2) with a 3/16 × 1 1/4 in pellet die (L:D 6.7). Conditioner retention time was set …
Should Phytase Be Given Release Values For Amino Acids And Energy In Diets For Growing Pigs?, M. R. Wensley, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, H. Calderon Cartagena
Should Phytase Be Given Release Values For Amino Acids And Energy In Diets For Growing Pigs?, M. R. Wensley, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, H. Calderon Cartagena
Kansas Agricultural Experiment Station Research Reports
A total of 2,268 mixed gender pigs (PIC; 337 × 1050; initially 62.9 lb) were used from 2 barns in a 55-d growth trial. On d 0 of the trial, pens of pigs were blocked by weight and randomly allotted to 1 of 6 dietary treatments with 27 pigs per pen and 14 pens per treatment (7 pens per barn). Treatments were fed in 2 different phases. Phase 1 diets were fed from d 0 to 29 (62.9 to 112.6 lb) and phase 2 diets were fed from d 29 to 55 (112.6 to 159.7 lb). Treatments consisted of a …
Effect Of Pellet Die Thickness And Conditioning Temperature During The Pelleting Process On Phytase Stability, C. N. Truelock, N. E. Ward, J. W. Wilson, C. R. Stark, C. B. Paulk
Effect Of Pellet Die Thickness And Conditioning Temperature During The Pelleting Process On Phytase Stability, C. N. Truelock, N. E. Ward, J. W. Wilson, C. R. Stark, C. B. Paulk
Kansas Agricultural Experiment Station Research Reports
This experiment was designed to evaluate the effects of pellet mill die thickness and conditioning temperature on the stability of microbial phytase. Treatments were arranged as a 2 × 3 factorial of die thickness (L:D 5.6 and 8.0) and conditioning temperature (165, 175, and 185°F). Phytase was added to a corn-soybean meal-based diet and mash samples were collected for phytase analysis. The diet was pelleted via steam conditioning (10 × 55 in Wenger twin staff pre-conditioner, Model 150) and using a pellet mill (CPM Model 1012-2) with a 5/32 × 7/8 in (L:D 5.6) or 5/32 × 1 1/4 in …
Effect Of Phase-Feeding Strategies On Growth Performance And Carcass Characteristics Of Growing-Finishing Pigs: Strategies To Reduce Dietary Phases Using A Field Approach On Lysine Levels, M. B. Menegat, S. S. Dritz, M. D. Tokach, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Effect Of Phase-Feeding Strategies On Growth Performance And Carcass Characteristics Of Growing-Finishing Pigs: Strategies To Reduce Dietary Phases Using A Field Approach On Lysine Levels, M. B. Menegat, S. S. Dritz, M. D. Tokach, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
The objective of this study was to evaluate whether simplification of phase-feeding strategies using a field approach with lysine specifications slightly below the estimated requirement for maximum growth rate is possible without compromising overall performance and carcass characteristics of grow-finish pigs. A total of 1,188 pigs (PIC; 359 × 1050; initially 63.5 lb body weight (BW)) were used in a randomized complete block design with 27 pigs per pen and 11 pens per treatment under commercial research conditions. Treatments consisted of four feeding programs with lysine specifications set at 98.5% of estimated requirements for maximum growth rate and 97.5% of …
Effects Of Conditioning Temperature On Pellet Quality Of Nursery Pig Diets, G. E. Nichols, C. R. Stark, A. M. Ogles, K. M. Dunmire, C. B. Paulk
Effects Of Conditioning Temperature On Pellet Quality Of Nursery Pig Diets, G. E. Nichols, C. R. Stark, A. M. Ogles, K. M. Dunmire, C. B. Paulk
Kansas Agricultural Experiment Station Research Reports
The objective of this experiment was to determine the effect of conditioning temperature on pellet durability index (PDI) and pellet hardness. A phase 1 swine nursery diet was formulated to contain 25% spray-dried whey. The diet was manufactured and pelleted at the Kansas State University O.H. Kruse Feed Technology and Innovation Center, Manhattan, KS. The treatments consisted of three different conditioning temperatures: 130, 145, and 160°F. Diets were steam conditioned (10 in width × 55 in length Wenger twin staff pre-conditioner, Model 150) for approximately 30 sec on a 1-ton 30-horsepower pellet mill (1012-2 HD Master Model, California Pellet Mill) …
The Effect Of Pellet Mill Production Rate And Knife Distance On Pellet Quality, C. E. Evans, R. J. Beeman, M. Saensukjaroenphon, C. B. Paulk, C. R. Stark
The Effect Of Pellet Mill Production Rate And Knife Distance On Pellet Quality, C. E. Evans, R. J. Beeman, M. Saensukjaroenphon, C. B. Paulk, C. R. Stark
Kansas Agricultural Experiment Station Research Reports
Longer pellet lengths may lead to decreased pellet breakage, resulting in increased pellet durability index (PDI). Thus, the objective of this experiment was to determine the effects of production rate and knife distance on pellet length and subsequent pellet quality. Treatments were arranged in a 2 × 3 factorial with two production rates (16 and 33 lb/min) and three knife distances (0.25, 0.50, and 0.75 in). All diets were conditioned at 185°F and pelleted using a CPM pellet mill (Model 1012-2 HD, California Pellet Mill Co., Crawfordsville, IN) equipped with a 0.19 in × 1.25 in die. The production rate …
Does Time Interval From Thawing Multiple Straws Of Semen To Insemination Affect Pregnancy Outcome Of Lactating Dairy Cows?, J. Fehn, L. G. Mendonça
Does Time Interval From Thawing Multiple Straws Of Semen To Insemination Affect Pregnancy Outcome Of Lactating Dairy Cows?, J. Fehn, L. G. Mendonça
Kansas Agricultural Experiment Station Research Reports
Technicians must follow guidelines when inseminating cows to avoid impacting the quality of semen and pregnancy per AI (P/AI). The interval from initiation of the thawing process of multiple semen straws until AI is an important aspect to be considered when evaluating the performance of AI technicians. Time interval from thawing to AI can be affected by the skill level of the AI technician, distance from the thawing unit to location of insemination, and labor efficiency. Because modern dairy farms are becoming larger, it is important to evaluate if the interval from thawing to AI is impacting P/AI in large …
Effects Of Two Commercial Supplemental Fat Products On Body Condition Score And Cow- And Herd-Level Milk Yield And Composition In A Commercial Dairy Herd In Kansas, A. L. Scanavez, C. A. Gamarra, R. S. De Oliveira, L. G. Mendonça
Effects Of Two Commercial Supplemental Fat Products On Body Condition Score And Cow- And Herd-Level Milk Yield And Composition In A Commercial Dairy Herd In Kansas, A. L. Scanavez, C. A. Gamarra, R. S. De Oliveira, L. G. Mendonça
Kansas Agricultural Experiment Station Research Reports
Feeding fat supplements to lactating dairy cows is an effective strategy to increase energy density of rations and increase milk yield. However, it is not clear whether supplementing a specific fat supplement for the entire lactating herd provides better results than others in commercial dairy herds. The objective of this study was to compare the effects of fat supplementation with two commercial products on changes in body condition score (BCS) and cow- and herd-level milk production and composition in a large commercial dairy herd. The study was conducted in a herd milking approximately 1,500 Holstein cows. One of two treatments …
Identifying A Milk-Replacer And Weaning Strategy For Holstein Calves Using Automated Behavioral Measures Of Lying And Environmental Enrichment Device Use, E. M. Bortoluzzi, T. M. Hill, L. L. Deikun, L. A. Ruiz, M. J. Goering, T. S. Dennis, F. X. Suarez-Mena, J. D. Quigley, R. L. Schlotterbeck, M. V. Alonso, R. Mazloom, M. Jaberi-Douraki, L. E. Hulbert
Identifying A Milk-Replacer And Weaning Strategy For Holstein Calves Using Automated Behavioral Measures Of Lying And Environmental Enrichment Device Use, E. M. Bortoluzzi, T. M. Hill, L. L. Deikun, L. A. Ruiz, M. J. Goering, T. S. Dennis, F. X. Suarez-Mena, J. D. Quigley, R. L. Schlotterbeck, M. V. Alonso, R. Mazloom, M. Jaberi-Douraki, L. E. Hulbert
Kansas Agricultural Experiment Station Research Reports
In dairy production, “weaning readiness” is often based on solid feed intake. The goal of this study was to determine weaning readiness using feed-intake, lying-behaviors, and the use of an environmental enrichment device (EED) in calves that underwent 1 of 4 milk-replacer and weaning protocols. Twenty-eight male Holstein calves (95 ± 2.6 lb BW at 1 d of age) were housed in individual pens and initially fed one type of milk replacer (25% crude protein (CP), 17% fat, 1.45 lb of dry matter (DM)) via nipplebuckets twice a day (AM and PM), and one type of textured calf starter ( …