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Articles 1 - 30 of 86
Full-Text Articles in Life Sciences
Effectiveness Of Two Ruminally Protected Methionine Sources For Lactating Dairy Cows, M. Ardalan, F. Vargas-Rodriguez, G. I. Zanton, M. Vázquez-Añón, E. Titgemeyer, B. Bradford
Effectiveness Of Two Ruminally Protected Methionine Sources For Lactating Dairy Cows, M. Ardalan, F. Vargas-Rodriguez, G. I. Zanton, M. Vázquez-Añón, E. Titgemeyer, B. Bradford
Kansas Agricultural Experiment Station Research Reports
Two sources of ruminally protected methionine were tested for their ability to provide available methionine to lactating dairy cattle. Based on milk protein yield and milk protein percent, NTP-1401 (an unreleased product from Novus International, Inc., St. Charles, MO) and Smartamine (Adisseo, αretta, GA) provided similar amounts of available methionine to the cows. These two products led to different methioninerelated compounds appearing in blood plasma, suggesting that they contained different methionine precursors.
Increasing Estrus Expression In Lactating Dairy Cows, J. A. Sauls, B. E. Voelz, J. Stevenson
Increasing Estrus Expression In Lactating Dairy Cows, J. A. Sauls, B. E. Voelz, J. Stevenson
Kansas Agricultural Experiment Station Research Reports
This report summarizes the use of various hormones in an attempt to induce greater estrus expression of lactating dairy cows. Average detection of estrus (<50%) in most U.S. dairy herds has been identified as a problem limiting reproductive efficiency. Detection of estrus plays an important role in reproductive management in U.S. dairy herds despite the adoption of fixed-time artificial insemination programs. When estrus was detected by an activity monitoring system or a rump-mounted device, supplementing cows with progesterone before induction of luteolysis resulted in greater intensity of estrus when compared with controls. In addition, administering estradiol cypionate at 24 h after induced luteolysis resulted in greater frequency of estrus expression compared with cows treated with testosterone propionate or controls when assessed by an activity monitor. Activity monitoring systems achieved heat-detection rates of approximately 70% (80% with estradiol) and are likely cost effective for herds achieving less than that level of heat detection.
Effects Of Dietary Zinc Source And Level On Mammary Epithelia And Dairy Food Chemistry, J. Shaffer, K. Pandalaneni, L. Mamedova, J. Defrain, J. Amamcharla, B. Bradford
Effects Of Dietary Zinc Source And Level On Mammary Epithelia And Dairy Food Chemistry, J. Shaffer, K. Pandalaneni, L. Mamedova, J. Defrain, J. Amamcharla, B. Bradford
Kansas Agricultural Experiment Station Research Reports
Twelve lactating Holstein cows (132 ± 21 days in milk) were enrolled in a Latin square experiment to explore the extent to which source and amount of supplemental dietary Zn can impact barrier function of mammary epithelial tissue. Cows received either 970 mg supplemental Zn/day as ZnSO4(LS), 1,640 mg supplemental Zn/day as ZnSO4(HS), or 1,680 mg supplemental Zn/day as a mixture of ZnSO4and Zn methionine complex (HC). Treatments lasted for 17 days followed by 4 days of sample collection. Blood and milk were collected and analyzed for markers of blood-milk leak including plasma lactose …
Swine Day 2016 Full Report, R. D. Goodband, M. D. Tokach, S. S. Dritz, J. M. Derouchey, J. C. Woodworth
Swine Day 2016 Full Report, R. D. Goodband, M. D. Tokach, S. S. Dritz, J. M. Derouchey, J. C. Woodworth
Kansas Agricultural Experiment Station Research Reports
It is with great pleasure that we present the 2016 Swine Industry Day Report of Progress. This report contains updates and summaries of applied and basic research conducted at Kansas State University during the past year. We hope that the information will be of benefit as we attempt to meet the needs of the Kansas swine industry.
Delayed Insemination Of Non-Estrual Beef Heifers In 7-Day Co-Synch Timed Artificial Insemination, D. C. Shaw, K. E. Fike, David Grieger
Delayed Insemination Of Non-Estrual Beef Heifers In 7-Day Co-Synch Timed Artificial Insemination, D. C. Shaw, K. E. Fike, David Grieger
Kansas Agricultural Experiment Station Research Reports
Reproductive performance in cattle is considered to be the most economically important trait and is essential for the success of an operation. In the last decade, timed artificial insemination (AI) in the beef cattle industry has increased in popularity due to the decreased amount of labor required for estrous detection. To increase the use of AI; however, cost and time inputs need to be further decreased. The objective of this study was to determine if fertility could be improved in beef heifers that are not expressing estrus before timed AI by delaying insemination.
Premium Choice Steaks Purchased From Grocery Outlets Are Generally More Tender Throughout The Year Than Lower Quality Grade Steaks, A. M. Collins, J. A. Unruh, T. A. Houser, S. Stroda
Premium Choice Steaks Purchased From Grocery Outlets Are Generally More Tender Throughout The Year Than Lower Quality Grade Steaks, A. M. Collins, J. A. Unruh, T. A. Houser, S. Stroda
Kansas Agricultural Experiment Station Research Reports
Consumers typically have the opportunity to select steaks from a variety of marketing categories that relate to quality, price, and expected tenderness. Research on quantifying characteristics of strip steaks from different marketing programs available in self-serve retail display cases and establishing benchmark data for strip steak comparisons for future years is needed. The purpose of this study was to determine mechanical tenderness as well as physical and cooking characteristics of strip steaks purchased from self-serve display cases in grocery store outlets throughout the year.
Freezing Strip Loin And Top Round Steaks Improves Warner-Bratzler Shear Force, R. Mcewan, J. A. Unruh, T. A. Houser, T. G. O'Quinn, N. Bloedow, Christopher Vahl, S. Stroda
Freezing Strip Loin And Top Round Steaks Improves Warner-Bratzler Shear Force, R. Mcewan, J. A. Unruh, T. A. Houser, T. G. O'Quinn, N. Bloedow, Christopher Vahl, S. Stroda
Kansas Agricultural Experiment Station Research Reports
Postmortem aging of steaks is a common practice used to improve tenderness of beef steaks. The impact of proteolysis and improvement in tenderness due to aging varies among muscles. When designing research protocols, samples for Warner-Bratzler shear force (WBSF) are often frozen for later analysis because of convenience and time limitations. Freezing stops postmortem aging and allows for storage until meat can be cooked for WBSF and/or sensory analysis. However freezing meat may cause damage to cell membranes resulting in lower Warner-Bratzler shear force (improved mechanical tenderness), lower water holding capacity, and greater moisture loss during cooking. Several researchers have …
Does Knowing Brand Or Usda Grade Of Beef Strip Steaks Affect Palatability For Consumers?, A. K. Wilfong, K. V. Mckillip, J. M. Gonzalez, T. A. Houser, E. A. Boyle, J. A. Unruh, T. G. O'Quinn
Does Knowing Brand Or Usda Grade Of Beef Strip Steaks Affect Palatability For Consumers?, A. K. Wilfong, K. V. Mckillip, J. M. Gonzalez, T. A. Houser, E. A. Boyle, J. A. Unruh, T. G. O'Quinn
Kansas Agricultural Experiment Station Research Reports
In consumers’ eyes, not all beef is considered equal. In addition to USDA quality grades, close to 150 branded beef programs are approved for the segregation and marketing of beef products (USDA, 2015). This large number of product categories allows consumers to have a choice in the products they purchase. Blind sensory panel testing of beef, where consumers are not shown the brand or information about a product, has been used for many years. While important to determine palatability characteristics of beef when evaluated blind, consumers do not select, purchase, and consume beef without additional product information. Evidence suggests that …
Assessing The Effects Of Medium Chain Fatty Acids And Fat Sources On Porcine Epidemic Diarrhea Virus Viral Rna Stability And Infectivity, R. A. Cochrane, S. S. Dritz, J. C. Woodworth, A. R. Huss, C. R. Stark, M. Saensukjaroenphon, J. M. Derouchey, M. D. Tokach, R. D. Goodband, J. Bai, Qi Chen, Jianqiang Zhang, Phillip Charles Gauger, Rachel J. Derscheid, Rodger G. Main, C. K. Jones
Assessing The Effects Of Medium Chain Fatty Acids And Fat Sources On Porcine Epidemic Diarrhea Virus Viral Rna Stability And Infectivity, R. A. Cochrane, S. S. Dritz, J. C. Woodworth, A. R. Huss, C. R. Stark, M. Saensukjaroenphon, J. M. Derouchey, M. D. Tokach, R. D. Goodband, J. Bai, Qi Chen, Jianqiang Zhang, Phillip Charles Gauger, Rachel J. Derscheid, Rodger G. Main, C. K. Jones
Kansas Agricultural Experiment Station Research Reports
Research has confirmed that chemical treatments, such as medium chain fatty acids (MCFA) and commercial formaldehyde, can be effective to reduce the risk of porcine epidemic diarrhea virus (PEDV) cross-contamination in feed. However, the efficacy of individual MCFA levels are unknown. The objective of this study is to compare the efficacy of commercially-available sources of MCFA and other fat sources versus a synthetic custom blend of MCFA to minimize the risk of PEDV cross-contamination as measured by qRT-PCR and bioassay. Treatments were arranged in a 17 × 4 plus 1 factorial with 17 chemical treatments: 1) Positive control with PEDV …
Porcine Epidemic Diarrhea Virus Surface Decontamination Strategies Using Chemical Sanitizing To Reduce The Quantity Of Pedv Rna On Feed Manufacturing Surfaces With Environmental Swabbing, M. Muckey, S. S. Dritz, J. C. Woodworth, C. R. Stark, J. Bai, Jianqiang Zhang, Phillip Charles Gauger, Rodger G. Main, C. K. Jones
Porcine Epidemic Diarrhea Virus Surface Decontamination Strategies Using Chemical Sanitizing To Reduce The Quantity Of Pedv Rna On Feed Manufacturing Surfaces With Environmental Swabbing, M. Muckey, S. S. Dritz, J. C. Woodworth, C. R. Stark, J. Bai, Jianqiang Zhang, Phillip Charles Gauger, Rodger G. Main, C. K. Jones
Kansas Agricultural Experiment Station Research Reports
Porcine Epidemic Diarrhea virus (PEDV) is a possible hazard in feed mills that could impact pig health. If the virus enters a feed mill, it quickly becomes widely distributed and is difficult to decontaminate from surfaces.6,7 The objective of this study was to evaluate a variety of liquid and dry chemical treatments that could be used as sanitizers to reduce the amount of PEDV found on feed manufacturing surfaces in mills. This experiment was replicated 3 times and was designed in a 5 × 10 factorial with main effects of 5 different feed manufacturing surfaces and 10 sanitizing treatments. Surfaces …
Evaluation Of The Effects Of Flushing Feed Manufacturing Equipment With Chemically- Treated Rice Hulls On Porcine Epidemic Diarrhea Virus Cross Contamination During Feed Manufacturing, J. T. Gebhardt, J. C. Woodworth, C. K. Jones, Phillip Charles Gauger, M. D. Tokach, J. M. Derouchey, R. D. Goodband, M. Muckey, R. A. Cochrane, M. Niederwerder, C. R. Stark, J. Bai, Qi Chen, Jianqiang Zhang, Alejandro Ramirez, Rachel J. Derscheid, Rodger G. Main, S. S. Dritz
Evaluation Of The Effects Of Flushing Feed Manufacturing Equipment With Chemically- Treated Rice Hulls On Porcine Epidemic Diarrhea Virus Cross Contamination During Feed Manufacturing, J. T. Gebhardt, J. C. Woodworth, C. K. Jones, Phillip Charles Gauger, M. D. Tokach, J. M. Derouchey, R. D. Goodband, M. Muckey, R. A. Cochrane, M. Niederwerder, C. R. Stark, J. Bai, Qi Chen, Jianqiang Zhang, Alejandro Ramirez, Rachel J. Derscheid, Rodger G. Main, S. S. Dritz
Kansas Agricultural Experiment Station Research Reports
Various strategies have been proposed to mitigate potential risk of porcine epidemic diarrhea virus (PEDV) transmission via feed and feed ingredients. Wet decontamination has been found to be the most effective decontamination of feed mill surfaces; however, this is not practical on a commercial feed production-scale. Another potential mitigation strategy, easier to implement, would be using chemically-treated rice hulls flushed through the feed manufacturing equipment. The objective of this experiment was to determine the impact of MCFA- or formaldehyde-treated rice hull flush batches as potential PEDV mitigation strategies during feed manufacturing. Feed without evidence of PEDV RNA contamination was inoculated …
Lessons Learned From Managing Electronic Sow Feeders And Sow Body Weight Data, L. L. Thomas, S. S. Dritz, M. D. Tokach, R. D. Goodband, J. M. Derouchey, J. C. Woodworth
Lessons Learned From Managing Electronic Sow Feeders And Sow Body Weight Data, L. L. Thomas, S. S. Dritz, M. D. Tokach, R. D. Goodband, J. M. Derouchey, J. C. Woodworth
Kansas Agricultural Experiment Station Research Reports
As the swine industry is transitioning from individual gestation stalls to different styles of group housing, new challenges are being presented for collecting data in the gestation barn. Electronic sow feeders (ESF) are computerized feeding stations that track and dispense feed for each sow that enters the feeding station. Individual intakes for sows can be recorded, which creates an opportunity for conducting nutrition studies in gestation. A research study was conducted on a commercial sow farm in central Nebraska, where sows were group-housed with ESF. A total of 74,114 feed intake observations and 663,204 sow weights were recorded during the …
Gilt Training For Electronic Sow Feeding Systems In Gestation, C. M. Vier, M. A. Gonçalves, L. L. Thomas, J. C. Woodworth, R. D. Goodband, S. S. Dritz, M. D. Tokach, J. M. Derouchey
Gilt Training For Electronic Sow Feeding Systems In Gestation, C. M. Vier, M. A. Gonçalves, L. L. Thomas, J. C. Woodworth, R. D. Goodband, S. S. Dritz, M. D. Tokach, J. M. Derouchey
Kansas Agricultural Experiment Station Research Reports
An electronic sow feeding (ESF) system provides the capability of feeding group-housed gestating gilts and sows on an individual basis. One of the most critical and yet often neglected steps in making an ESF system a success is proper gilt training. Different farms have protocols adapted to their particular situation, but the overall goal of gilt training is to ensure that a high percentage of gilts learn how to utilize the ESF station before they are moved to gestation. There are three critical steps in proper gilt training. These include: 1) pre-training; 2) training once the gilts have been moved …
Effects Of Lysine On Performance Of Lactating Primiparous Sows, K. M. Gourley, J. C. Woodworth, J. M. Derouchey, M. D. Tokach, S. S. Dritz, R. D. Goodband
Effects Of Lysine On Performance Of Lactating Primiparous Sows, K. M. Gourley, J. C. Woodworth, J. M. Derouchey, M. D. Tokach, S. S. Dritz, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 111 primiparous sows (Line 241; DNA, Columbus, NE) were used in a 21-d study to determine the effect of lysine (Lys) intake during lactation on sow and litter performance and subsequent reproductive performance of primiparous sows. At d 110 of gestation, sows were weighed and randomly assigned to treatment based on weight block. Dietary treatments consisted of increasing levels of standardized ileal digestible (SID) Lys (0.80, 0.95, 1.10, and 1.25% with other AA meeting or exceeding NRC [2012] recommendations as a ratio to Lys). All other nutrients met or exceeded the NRC (2012) estimates. During the lactation …
Effect Of Enzymatically Fermented Soybean Meal And Lactobacillus Plantarum On Nursery Pig Performance, A. M. Jones, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband
Effect Of Enzymatically Fermented Soybean Meal And Lactobacillus Plantarum On Nursery Pig Performance, A. M. Jones, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total 360 pigs (PIC C-29 × 359, initially 12.2 lb) were used in a 45-d trial to determine the effects of enzymatically fermented soybean meal (EFS) andLactobacillus plantarum(LP1) on nursery pig performance. Pigs were allotted by BW and sex, and randomly assigned to 1 of 4 dietary treatments, with 9 replications per treatment. Dietary treatments were arranged in a 2 × 2 factorial with main effects of added EFS (0 vs. 8% replacing soybean meal) and LP1 (0 vs. 0.1%). Experimental diets were fed in two phases (Phase 1: d 0 to 14 and Phase 2: d …
Effect Of Feeding Varying Levels Of Lactobacillus Plantarum On Nursery Pig Performance, A. M. Jones, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband
Effect Of Feeding Varying Levels Of Lactobacillus Plantarum On Nursery Pig Performance, A. M. Jones, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 360 pigs (PIC C-29 × 359, initially 13.1 lb BW) were used in a 42-d growth performance trial evaluating the effects of feeding varying levels of Lactobacillus plantarum on nursery pig performance. Pigs were allotted by BW and sex, and randomly assigned to 1 of 4 dietary treatments in a completely randomized design. Experimental diets were fed in three phases (Phase 1, d 0 to 7; Phase 2, d 7 to 21, and Phase 3, d 21 to 42). Treatment diets were formulated to include 0, 0.05, 0.10, or 0.20%Lactobacillus plantarumproduct (LP1; Nutraferma Inc., Sioux …
Evaluating The Impact Of Vevovitall And/Or Crina As Potential Porcine Epidemic Diarrhea Virus Mitigation Strategies As Determined By Polymerase Chain Reaction Analysis And Bioassay, J. T. Gebhardt, J. C. Woodworth, C. K. Jones, M. D. Tokach, J. M. Derouchey, R. D. Goodband, R. A. Cochrane, C. R. Stark, J. Bergstrom, Phillip Charles Gauger, J. Bai, Qi Chen, Jianqiang Zhang, Rodger G. Main, S. S. Dritz
Evaluating The Impact Of Vevovitall And/Or Crina As Potential Porcine Epidemic Diarrhea Virus Mitigation Strategies As Determined By Polymerase Chain Reaction Analysis And Bioassay, J. T. Gebhardt, J. C. Woodworth, C. K. Jones, M. D. Tokach, J. M. Derouchey, R. D. Goodband, R. A. Cochrane, C. R. Stark, J. Bergstrom, Phillip Charles Gauger, J. Bai, Qi Chen, Jianqiang Zhang, Rodger G. Main, S. S. Dritz
Kansas Agricultural Experiment Station Research Reports
Feed and feed ingredients have been shown to be potential vectors of porcine epidemic diarrhea virus (PEDV). Potential strategies to mitigate the risk of disease transmission via feed and feed ingredients would be valuable to the swine and feed milling industries. Therefore, the objective of this experiment was to determine the impact of VevoVitall (5,000 ppm; DSM Nutritional Products Inc., Parsipanny, NJ), CRINA (200 ppm; DSM Nutritional Products Inc., Parsipanny, NJ), and a combination of both products (COMBINATION; 5,000 ppm VevoVitall and 200 ppm CRINA) as feed additives with potential to mitigate the risk of PEDV, in swine gestation diet …
Effects Of Increasing Dietary Standardized Ileal Digestible Lysine On 15 To 24 Lb Nursery Pigs, A. B. Clark, M. D. Tokach, J. M. Derouchey, S. S. Dritz, R. D. Goodband, J. C. Woodworth, K. Touchette
Effects Of Increasing Dietary Standardized Ileal Digestible Lysine On 15 To 24 Lb Nursery Pigs, A. B. Clark, M. D. Tokach, J. M. Derouchey, S. S. Dritz, R. D. Goodband, J. C. Woodworth, K. Touchette
Kansas Agricultural Experiment Station Research Reports
A total of 300 nursery pigs (PIC 327 × 1050, initially 14.8 lb BW) were used in a 28-d growth trial to evaluate the effects of increasing dietary standardized ileal digestible (SID) lysine (Lys) on nursery pig growth performance. Pigs were weaned at approximately 21 d of age and allotted to the pens according to BW and gender. A common starter diet was fed for 6 d, then pens were allotted to 1 of 6 dietary treatments in a completely randomized design. Experimental diets were fed for 14 d followed by a common diet for 14 d. The 6 dietary …
Effects Of Evosure On Nursery Pig Performance, H. Williams, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband
Effects Of Evosure On Nursery Pig Performance, H. Williams, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 360 pigs (PIC C-29 × 359, initially 13.1 lb BW) were used in a 42-d growth trial evaluating the effects of Evosure on nursery pig performance. Evosure is a yeastbased technology designed to enhance weaned pig performance. Pigs were weaned at approximately 16 to 20 d and allotted to pens based on initial BW and gender in a completely randomized design. The 3 dietary treatments included a control diet, or the control diet with Evosure (NUTRIQUEST, Inc., Mason City, IA) fed at 1.0 lb/ton fed from d 0 to 21 followed by 0.5 lb/ton fed from d …
Effects Of Increasing Copper From Tri-Basic Copper Chloride Or A Copper-Amino Acid Complex On Growth Performance Of Nursery Pigs, C. B. Carpenter, J. C. Woodworth, J. M. Derouchey, M. D. Tokach, R. D. Goodband, S. S. Dritz, J. Usry
Effects Of Increasing Copper From Tri-Basic Copper Chloride Or A Copper-Amino Acid Complex On Growth Performance Of Nursery Pigs, C. B. Carpenter, J. C. Woodworth, J. M. Derouchey, M. D. Tokach, R. D. Goodband, S. S. Dritz, J. Usry
Kansas Agricultural Experiment Station Research Reports
A total of 665 pigs [Group 1; 350 barrows (DNA 200 × 400; initially 14.1 lb)] and [Group 2; 315 barrows and gilts (DNA 241 × 600; initially 11.4 lb)] were used to determine the effects of added Cu source and level on nursery pig performance. There were 5 pigs per pen and 10 replications per treatment in group 1 and 5 pigs per pen and 9 replications per treatment in group 2. Pens of pigs were allotted by BW to 1 of 7 dietary treatments arranged as a 2 × 3 factorial plus a control diet, with main effects …
Determination Of Probiotic And/Or Chlortetracycline Inclusion Effects On Nursery Pig Growth Performance, H. Williams, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. G. Amachawadi, T. G. Nagaraja, R. D. Goodband
Determination Of Probiotic And/Or Chlortetracycline Inclusion Effects On Nursery Pig Growth Performance, H. Williams, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. G. Amachawadi, T. G. Nagaraja, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 300 nursery pigs (DNA 200 × 400, Columbus, NE; initially 13.0 lb BW) were used in a 42-d study evaluating the effects of feeding chlortetracycline (CTC) in combination with probiotics on nursery pig performance. Probiotics are a class of antimicrobial alternatives designed to enhance growth performance and digestive tract health. Pigs were weaned at approximately 21 d of age and allotted to pens based on initial BW. Pigs were fed a common pelleted starter diet for 4 d and then weighed, and pens were allotted to 1 of 6 dietary treatments based on BW in a completely …
Effects Of Aminogut And Diet Formulation Approach On Growth Performance And Economic Return In Nursery Pigs, M. A. Gonçalves, M. D. Tokach, S. S. Dritz, K. Touchette, J. M. Derouchey, J. C. Woodworth, R. D. Goodband
Effects Of Aminogut And Diet Formulation Approach On Growth Performance And Economic Return In Nursery Pigs, M. A. Gonçalves, M. D. Tokach, S. S. Dritz, K. Touchette, J. M. Derouchey, J. C. Woodworth, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
Diets containing animal protein sources have higher levels of glutamine than diets based on plant protein sources. Therefore, the objective of this study was to determine the effects of AminoGut (Ajinomoto Heartland, Inc., Chicago, IL) and protein source (animal vs. plant proteins) on growth performance and economic return in nursery pigs from 12 to 60 lb. AminoGut is a product that contains both glutamine and glutamate. A total of 1,134 pigs (337 × 1050; PIC, Hendersonville, TN, initially 11.6 ± 0.18 lb BW) were used in a 52-d trial. At the beginning of the experiment, pigs were weighed in pens, …
Evaluation Of Added Sodium And Chloride For 15 To 24 Lb Nursery Pigs, D. Shawk, M. Moniz, A. B. Clark, R. D. Goodband, J. C. Woodworth, M. D. Tokach, S. S. Dritz, J. M. Derouchey
Evaluation Of Added Sodium And Chloride For 15 To 24 Lb Nursery Pigs, D. Shawk, M. Moniz, A. B. Clark, R. D. Goodband, J. C. Woodworth, M. D. Tokach, S. S. Dritz, J. M. Derouchey
Kansas Agricultural Experiment Station Research Reports
A total of 360 pigs (Line 241 × 600; DNA, Columbus, NE) were used in a 14-d growth trial to determine if the response to added dietary salt in nursery pigs (15 to 24 lb) was due to either the Na or Cl concentration in the diet. Upon entry to the nursery, pigs were allotted by BW and fed a common starter diet (0.33% Na and 0.76% Cl) for 7 d after weaning. On d 7 after weaning, considered d 0 in the trial, pens were assigned to 1 of 4 dietary treatments that were fed from d 0 to …
Evaluation Of Dietary Electrolyte Balance On Nursery Pig Performance, A. Jones, J. C. Woodworth, S. S. Dritz, M. D. Tokach, J. M. Derouchey, R. D. Goodband
Evaluation Of Dietary Electrolyte Balance On Nursery Pig Performance, A. Jones, J. C. Woodworth, S. S. Dritz, M. D. Tokach, J. M. Derouchey, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 2,880 pigs (PIC 327 × L42; initial BW 11.4 lb) were used in a 35-d growth performance trial evaluating the effects of dietary electrolyte balance (dEB) on growth performance of nursery pigs. There were 30 pigs per pen (60 pigs per double-sided feeder) and 12 replications (feeder) per treatment. Pens of pigs were allotted by BW and sex on arrival, and randomly assigned to 1 of 4 dietary treatments. Treatment diets were corn-soybean meal-based with dried whey and other specialty protein sources used in Phase 1 with decreased amounts in Phase 2. Dietary electrolyte balance was determined …
Evaluating The Effects Of Replacing Feed Grade Antibiotics With Yeast, Cinnamon, Or Zinc Oxide And Copper Sulfate On Nursery Pig Performance, A. Langemeier, J. Morton, S. Scotten, J. L. Nelssen
Evaluating The Effects Of Replacing Feed Grade Antibiotics With Yeast, Cinnamon, Or Zinc Oxide And Copper Sulfate On Nursery Pig Performance, A. Langemeier, J. Morton, S. Scotten, J. L. Nelssen
Kansas Agricultural Experiment Station Research Reports
A total of 288 weaned pigs (Line 200 × 400; DNA, Columbus, NE; initially 11.8 lb) were used in a 42-d study to compare the effects of feeding antibiotic alternatives (pharmacological trace minerals, copper and zinc, yeast, or essential oils), alone or in combination, on nursery pig performance in replacement to a common antimicrobial agent (carbadox, Mecadox®, Phibro Animal Health, Teaneck, NJ). Pigs were allotted to 1 of 9 dietary treatments in pens of 4 at weaning in a randomized complete block design with 8 replications per treatment. Dietary treatments were arranged with a negative control diet with no medication …
Effects Of Feeding A Finishing Diet Blended With Different Phases Of Nursery Diets On Growth Performance And Economics Of Nursery Pigs, F. Wu, K. Coble, C. Hastad, M. D. Tokach, J. M. Derouchey, S. S. Dritz, J. C. Woodworth, R. D. Goodband
Effects Of Feeding A Finishing Diet Blended With Different Phases Of Nursery Diets On Growth Performance And Economics Of Nursery Pigs, F. Wu, K. Coble, C. Hastad, M. D. Tokach, J. M. Derouchey, S. S. Dritz, J. C. Woodworth, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 1,260 weaned pigs (PIC TR4 × (Fast LW × PIC L02); initially 12.9 lb BW)) were housed in a commercial research barn and used in a 47-d study to determine the effects of blending a finishing diet into different phases of nursery diets on pig growth performance. Pens of pigs were blocked by initial BW and gender and allotted to 1 of 4 treatment groups (15 pens/treatment). In a 5-phase feeding program, the 4 treatments were: 1) standard nursery diets throughout (control); or standard nursery diets with 5.5 lb/pig of late finishing feed blended at the beginning …
Diet Formulation Method Influences The Response To Increasing Net Energy For Growing-Finishing Pigs, D. Marcal, M. D. Tokach, S. S. Dritz, J. C. Woodworth, R. D. Goodband, J. M. Derouchey
Diet Formulation Method Influences The Response To Increasing Net Energy For Growing-Finishing Pigs, D. Marcal, M. D. Tokach, S. S. Dritz, J. C. Woodworth, R. D. Goodband, J. M. Derouchey
Kansas Agricultural Experiment Station Research Reports
The objective of this study was to compare the effects of increasing dietary net energy (NE) in growing-finishing diets with maintaining a standardized ileal digestible (SID) Lys:NE ratio or not adjusting this ratio and keeping SID Lysine (Lys) constant across increasing NE density. A total of 150 pigs (Line 600 Duroc × Line 241, DNA, Columbus, NE) were used in a 91-d trial. Pens of pigs were blocked by gender and BW before being randomly assigned to treatments with 2 pigs per pen and 15 pens per treatment. Treatment diets included a low-energy negative control diet and a 2 × …
Evaluation Of Elarom Ses In Nursery Diets With Or Without The Inclusion Of High Zinc Oxide Or Feed Antimicrobials, H. Williams, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband
Evaluation Of Elarom Ses In Nursery Diets With Or Without The Inclusion Of High Zinc Oxide Or Feed Antimicrobials, H. Williams, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 360 weaned pigs (DNA 200 × 400; initially 11.5 lb BW) were used in a 42-d study evaluating the effects of feeding Elarom SES in combination with high levels of ZnO and/or antimicrobials on nursery pig performance and fecal consistency. Elarom SES (Trouw Nutrition USA, Highland, IL) is a commercially available blend of short chain fatty acids (SCFAs), medium chain fatty acids (MCFAs) and slow release organic acids designed to enhance growth performance and gut health. Pigs were weaned at approximately 21 d and allotted to pens based on initial BW in a completely randomized design. Experimental …
Effects Of Dietary Electrolyte Balance And Crude Protein Level On Growth Performance, Carcass Characteristics, And Blood Analytes Of Finishing Pigs, J. Soto, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Effects Of Dietary Electrolyte Balance And Crude Protein Level On Growth Performance, Carcass Characteristics, And Blood Analytes Of Finishing Pigs, 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 288 finishing pigs (PIC 327 × 1050, initially 243.5 lb) were used in a 20-d trial to determine if dietary electrolyte balance (dEB) in conjunction with low protein, amino acid fortified diets has any influence on growth performance. Pens of 8 pigs were allotted by BW and randomly assigned to 1 of 4 dietary treatments with 9 replications per treatment. Treatments were arranged in a 2 × 2 factorial with main effects of CP (10 or 13%) and dEB (48 or 107 mEq/kg). At d 20, the pigs were transported to a packing plant for processing and …
Influence Of Chromium Dose And Feeding Regimen On Growth Performance And Carcass Composition Of Pigs Housed In A Commercial Environment, J. T. Gebhardt, J. C. Woodworth, M. D. Tokach, J. M. Derouchey, R. D. Goodband, J. Loughmiller, S. S. Dritz
Influence Of Chromium Dose And Feeding Regimen On Growth Performance And Carcass Composition Of Pigs Housed In A Commercial Environment, J. T. Gebhardt, J. C. Woodworth, M. D. Tokach, J. M. Derouchey, R. D. Goodband, J. Loughmiller, S. S. Dritz
Kansas Agricultural Experiment Station Research Reports
A study was conducted to determine the effects of increasing chromium propionate (KemTRACE Cr; Kemin Industries Inc., Des Moines, IA) and feeding regimen on growth performance and carcass characteristics of finishing pigs housed in a commercial environment. There were a total of 1,206 pigs (PIC 337 × 1050; initial BW = 63.2 lb) with 27 pigs/pen and 9 pens/treatment. Pigs were split by gender upon arrival at the facility, with 4 blocks of each gender and a final mixed gender block. Gender blocks were randomly allotted to groups of 5 pen locations within the barn. Diets were corn-soybean meal-dried distillers …