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Determining The Effects Of Increasing Levels Of Xylanase In Nutrient Adequate Diets On Growth Performance, Carcass Characteristics Of Growing-Finishing Pigs, H. R. Kerkaert, J. M. Derouchey, S. S. Dritz, R. D. Goodband, M. D. Tokach, J. C. Woodworth, H. Calderone Cartagena, M. Gonçalves
Determining The Effects Of Increasing Levels Of Xylanase In Nutrient Adequate Diets On Growth Performance, Carcass Characteristics Of Growing-Finishing Pigs, H. R. Kerkaert, J. M. Derouchey, S. S. Dritz, R. D. Goodband, M. D. Tokach, J. C. Woodworth, H. Calderone Cartagena, M. Gonçalves
Kansas Agricultural Experiment Station Research Reports
A total of 1,944 mixed sex growing-finishing pigs (PIC; 337 × 1050; initial BW of 49.9 ± 1.18 lb) were used in a 131-d growth trial to determine the effects of increasing added xylanase xylanase in adequate diets on grow-finish pig growth performance and carcass characteristics. Pens were assigned to 1 of 6 treatments in a randomized complete block design with BW as a blocking factor. There were 12 replicate pens per treatment and 27 pigs per pen. The experimental diets were corn-soybean meal-based and were fed in 5 phases. The 6 dietary treatments were formulated to: 0, 2.3, 4.5, …
Effects Of Feeding Increasing Levels Of Iron From Iron Sulfate Or Iron Carbonate On Nursery Pig Growth Performance And Blood Criteria, H. E. Williams, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, J. Usry
Effects Of Feeding Increasing Levels Of Iron From Iron Sulfate Or Iron Carbonate On Nursery Pig Growth Performance And Blood Criteria, H. E. Williams, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, J. Usry
Kansas Agricultural Experiment Station Research Reports
A total of 140 weanling pigs (DNA 241 × 600, initially 12.2 ± 0.02 lb) were used in a 32-d study evaluating the effects of increasing dietary iron from either iron sulfate (FeSO4) or a micronized, agglomerated ferrous carbonate (FeCO3) on nursery pig growth performance and blood criteria. The micronized form of FeCO3is designed to improve nursery pig growth performance and blood iron status. Pigs used for this trial did not receive an iron injection after birth in order to increase sensitivity to added dietary iron. Pigs were weaned at approximately 21 d and …
Evaluation Of Different Vitamin Concentrations On Grow-Finish Pig Growth And Carcass Characteristics, L. Del Tuffo, S. S. Dritz, M. D. Tokach, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Evaluation Of Different Vitamin Concentrations On Grow-Finish Pig Growth And Carcass Characteristics, L. Del Tuffo, S. S. Dritz, M. D. Tokach, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
Vitamins are generally added to swine diets in concentrations well above their requirement estimates to provide a generous margin of safety. However, with the increase in vitamin prices in 2017, there was a need to re-evaluate suggested vitamin additions. Therefore, the objective of this study was to compare two premixes with different vitamin concentrations on growth performance and carcass characteristics of grow-finish pigs reared in a commercial environment. A total of 1,188 pigs (PIC 359 × 1050; initially 35.5 lb) were used in a randomized complete block design with 27 pigs per pen and 22 pens per treatment. The experimental …
Effects Of The Age Of Newborn Pigs Receiving An Iron Injection On Suckling And Subsequent Nursery Performance And Blood Criteria, H. Williams, C. D. Roubicek, J. M. Derouchey, J. C. Woodworth, S. S. Dritz, M. D. Tokach, R. D. Goodband, A. Holtcamp
Effects Of The Age Of Newborn Pigs Receiving An Iron Injection On Suckling And Subsequent Nursery Performance And Blood Criteria, H. Williams, C. D. Roubicek, J. M. Derouchey, J. C. Woodworth, S. S. Dritz, M. D. Tokach, R. D. Goodband, A. Holtcamp
Kansas Agricultural Experiment Station Research Reports
A total of 324 newborn pigs (DNA 241 × 600, initially 3.56 ± 0.10 lb body weight (BW)) were used in a 80-d study evaluating the effects of Fe injection timing after birth on suckling and subsequent nursery pig performance and blood criteria. GleptoForte (Ceva Animal Health, LLC., Lenexa, KS) contains gleptoferron, which is an Fe macromolecule complex that is used as an injectable Fe source for suckling piglets. A total of 27 litters were used with the number of pigs per sow equalized on each day of farrowing. Two d after birth, all piglets were weighed, and six barrows …
Effects Of Fe Dosage In Newborn Pigs On Preweaning And Subsequent Nursery Performance, H. Williams, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, A. Holtcamp
Effects Of Fe Dosage In Newborn Pigs On Preweaning And Subsequent Nursery Performance, H. Williams, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, A. Holtcamp
Kansas Agricultural Experiment Station Research Reports
A total of 336 newborn pigs (DNA 241 × 600, initially 3.83 ± 0.114 lb BW) were used in a 63-d study evaluating the effects of increasing injectable Fe dose on preweaning and subsequent nursery pig performance and blood Fe status. GleptoForte (Ceva Animal Health, LLC, Lenexa, KS) contains gleptoferron which is an Fe macro-molecule complex that is used as an injectable Fe source for preweaned piglets. A total of 28 litters were used and on the day of processing (approximately d 3 after birth) all piglets were weighed and six barrows and six gilts per litter were allotted to …
Effects Of Storing Three Phytase Sources Over 90 Days Under High Temperature And Humidity On Phytase Stability, Growth Performance, And Bone Mineralization Of Nursery Pigs, C. M. Vier, M. B. Menegat, K. M. Gourley, S. S. Dritz, M. D. Tokach, J. R. Bergstrom, R. D. Goodband, J. M. Derouchey, J. C. Woodworth
Effects Of Storing Three Phytase Sources Over 90 Days Under High Temperature And Humidity On Phytase Stability, Growth Performance, And Bone Mineralization Of Nursery Pigs, C. M. Vier, M. B. Menegat, K. M. Gourley, S. S. Dritz, M. D. Tokach, J. R. Bergstrom, R. D. Goodband, J. M. Derouchey, J. C. Woodworth
Kansas Agricultural Experiment Station Research Reports
A study was performed to evaluate the effects of storing three commercially available phytase products for 90 d, simulating summer conditions on phytase stability, growth performance, and bone mineralization of nursery pigs. The phytase products [HiPhos GT (20,000 FYT/g, DSM Nutritional Products, Parsippany, NJ); Axtra Phy TPT (20,000 FTU/g, Dupont, Wilmington, DE); and Quantum Blue G (40,000 FTU/g, AB Vista, Plantation, FL)] were left as pure forms or blended in a vitamin and trace mineral (VTM) premix for a 90 d period in an environmentally controlled chamber set at 85°F and 75% humidity. Sampling occurred on d 0, 30, 60, …
Standardized Total Tract Digestible Phosphorus Requirement Of 13- To 28-Lb Pigs Fed Diets With Or Without Phytase, F. Wu, J. C. Woodworth, M. D. Tokach, J. M. Derouchey, S. S. Dritz, R. D. Goodband
Standardized Total Tract Digestible Phosphorus Requirement Of 13- To 28-Lb Pigs Fed Diets With Or Without Phytase, F. Wu, J. C. Woodworth, M. D. Tokach, J. M. Derouchey, S. S. Dritz, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 1,080 nursery pigs (PIC 280 ×1050, initially 13.0 ± 2.38 lb BW) were housed in 3 commercial research rooms and used in a 46-d study to determine the effects of increasing standardized total tract digestible (STTD) phosphorus (P) concentrations in diets with and without phytase on growth performance and percentage bone ash. Pens of pigs (10 pigs per pen, 9 pens per treatment) were balanced for equal pen weights and allotted randomly to 1 of 12 treatments. Dietary treatments were arranged in 2 sets of dose titration with 6 levels of STTD P with and without 2,000 …
Effects Of Dietary Total Calcium To Total Phosphorus Ratio On Growth Performance, Carcass Characteristics, Bone Mineralization, And Economics In 58- To 281-Lb Pigs, C. M. Vier, S. S. Dritz, M. D. Tokach, M. A. Gonçalves, U. A. Orlando, J. R. Bergstrom, J. C. Woodworth, R. D. Goodband, J. M. Derouchey
Effects Of Dietary Total Calcium To Total Phosphorus Ratio On Growth Performance, Carcass Characteristics, Bone Mineralization, And Economics In 58- To 281-Lb Pigs, C. M. Vier, S. S. Dritz, M. D. Tokach, M. A. Gonçalves, U. A. Orlando, J. R. Bergstrom, J. C. Woodworth, R. D. Goodband, J. M. Derouchey
Kansas Agricultural Experiment Station Research Reports
A total of 1,134 barrows and gilts (PIC; 359 × Camborough) with an initial pen average body weight (BW) of 58.0 ± 1.57 lb were used in a 110-d growth trial to determine the effects of feeding different analyzed total calcium to phosphorus (Ca:P) ratios on performance of growing-finishing pigs from 58 to 281 lb. Pens of pigs were randomly assigned to 1 of 6 dietary treatments in a randomized complete block design with BW as a blocking factor. There were 7 replicate pens per treatment and 27 pigs per pen. The experimental diets were corn-soybean meal-based, and were fed …
Effects Of Distillers Dried Grains With Solubles Sources And Soybean Meal Level On Growth Performance Of Late Nursery Pigs, H. S. Cemin, M. D. Tokach, A. M. Gaines, B. W. Ratliff, E. L. Hakmiller, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Effects Of Distillers Dried Grains With Solubles Sources And Soybean Meal Level On Growth Performance Of Late Nursery Pigs, H. S. Cemin, M. D. Tokach, A. M. Gaines, B. W. Ratliff, E. L. Hakmiller, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
Two experiments were conducted to determine the effects of distillers dried grains with solubles (DDGS) source and soybean meal (SBM) level on growth performance of late nursery pigs. A total of 1,064 and 1,011 pigs (PIC 280 × 1050), initially 23.1 and 24.1 lb body weight (BW), were used in Exp. 1 and 2, respectively, with 21 to 27 pigs per pen. For approximately 21 days after weaning, pigs were fed common phase 1 and 2 diets. Then, pens were assigned to treatments in a randomized complete block design. There were 6 treatments in each experiment with 7 pens per …
Effects Of Added Fat On Growth Performance, Carcass Characteristics, And Economics Of Growing And Finishing Pigs Under Commercial Conditions, C. M. Vier, J. M. Derouchey, S. S. Dritz, M. D. Tokach, J. A. De Jong, C. Neill, E. Scholtz, J. C. Woodworth, R. D. Goodband
Effects Of Added Fat On Growth Performance, Carcass Characteristics, And Economics Of Growing And Finishing Pigs Under Commercial Conditions, C. M. Vier, J. M. Derouchey, S. S. Dritz, M. D. Tokach, J. A. De Jong, C. Neill, E. Scholtz, J. C. Woodworth, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 1,637 mixed gender pigs (PIC; 359 × Camborough) with an initial pen average body weight (BW) of 87.8 ± 2.39 lb were used in a 110-d growth trial to determine the effects of feeding increasing levels of dietary fat on performance of growing-finishing pigs from 88 to 286 lb. The trial was conducted from late June to early October. Pens of pigs were randomly assigned to 1 of 4 dietary treatments in a randomized complete block design with BW as a blocking factor. There were 16 replicate pens per treatment and 20 to 27 pigs per pen. …
Effects Of Tylosin Administration Routes On The Development Of Antimicrobial Resistance In Fecal Enterococci Of Finishing Swine, F. Wu, M. D. Tokach, J. M. Derouchey, S. S. Dritz, J. C. Woodworth, R. D. Goodband, K. Chitakasempornkul, N. M. Bello, K. Capps, S. E. Remfry, R. G. Amachawadi, T. G. Nagaraja
Effects Of Tylosin Administration Routes On The Development Of Antimicrobial Resistance In Fecal Enterococci Of Finishing Swine, F. Wu, M. D. Tokach, J. M. Derouchey, S. S. Dritz, J. C. Woodworth, R. D. Goodband, K. Chitakasempornkul, N. M. Bello, K. Capps, S. E. Remfry, R. G. Amachawadi, T. G. Nagaraja
Kansas Agricultural Experiment Station Research Reports
Antibiotics can be administered via various routes in pigs, which may influence antimicrobial resistance development. A total of 40 barrows and 40 gilts (Line 600 × 241; DNA, Columbus, NE; initially 207 ± 7.9 lb) were used in a 35-d trial to determine the effects of tylosin administration route on pig growth performance and development of antimicrobial resistance in fecalEnterococcusspp. isolates. Pens of pigs (1 pig/ pen, 20 pigs/treatment) were blocked by initial body weight (BW) and gender. Within blocks, pens were randomly allotted to 1 of 4 treatments. The antibiotic treatments followed US label directions and were: …
Effect Of Zinc Oxide, Zinc Hydroxychloride, And Tri-Basic Copper Chloride On Nursery Pig Performance, H. S. Cemin, J. C. Woodworth, M. D. Tokach, S. S. Dritz, J. M. Derouchey, R. D. Goodband
Effect Of Zinc Oxide, Zinc Hydroxychloride, And Tri-Basic Copper Chloride On Nursery Pig Performance, H. S. Cemin, J. C. Woodworth, M. D. Tokach, S. S. Dritz, J. M. Derouchey, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 1,215 pigs (PIC 1050 × 280; initially 11.7 lb BW) were used in a 42-d growth trial to determine the effects of ZnO, Zn hydroxychloride (IntelliBond Z; IBZ), and tri-basic copper chloride (IntelliBond C; IBC) on growth performance of nursery pigs. Pigs were allotted by pen weight and assigned to 1 of 5 dietary treatments. Treatments consisted of added Zn as ZnO (3,000 ppm in phase 1 and 2,000 ppm in phase 2); Zn hydroxychloride (IBZ; 1,000 ppm in phase 1 and phase 2); and Cu as tri-basic copper chloride (200 ppm), alone or in combination, as …
Evaluation Of Elarom Ses With Or Without Tri-Basic Copper Chloride On Nursery Pig Growth Performance, H. Williams, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband
Evaluation Of Elarom Ses With Or Without Tri-Basic Copper Chloride On Nursery Pig Growth 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 weanling 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 increasing tri-basic copper chloride on nursery pig performance and fecal consistency. Elarom SES (Trouw Nutrition USA, Highland, IL) is a specialty feed ingredient containing a blend of active ingredients designed to enhance growth performance and gut health. Tri-basic copper chloride (TBCC, Intellibond C, Micronutrients USA, LLC., Indianapolis, IN) is a form of copper (Cu) that has the potential for improved bioavailability and enhanced growth performance. Pigs were weaned at approximately …
Effects Of Crystalline Amino Acid Concentrations With Or Without Formaldehyde Treatment Of Diets On Nursery Pig Growth Performance And Fecal Bacterial Concentration, H. Williams, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, T. E. Burkey, S. Li
Effects Of Crystalline Amino Acid Concentrations With Or Without Formaldehyde Treatment Of Diets On Nursery Pig Growth Performance And Fecal Bacterial Concentration, H. Williams, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, T. E. Burkey, S. Li
Kansas Agricultural Experiment Station Research Reports
A total of 1,235 nursery pigs (PIC 359 × 1050; initially 26.9 lb BW) were used in a 28-d study evaluating the effects of crystalline amino acid concentrations with or without formaldehyde treatment of diets on nursery pig growth performance, feed bacteria concentration, lysine content, and fecal microbial diversity. Sal CURB (Kemin Industries Inc., Des Moines, IA) is a commercial formaldehyde product that is commonly utilized in the poultry industry forSalmonellacontrol in feed but has also been shown to reduce PEDV infectivity in swine diets.
Pigs were weaned at approximately 21 d, fed a common starter diet for …
Effects Of Increasing Zinc, Using Zn Hydroxychloride, On Growth Performance, Carcass Characteristics, And Economic Return Of Pigs Housed In A Commercial Environment, H. S. Cemin, J. C. Woodworth, M. D. Tokach, S. S. Dritz, J. M. Derouchey, R. D. Goodband
Effects Of Increasing Zinc, Using Zn Hydroxychloride, On Growth Performance, Carcass Characteristics, And Economic Return Of Pigs Housed In A Commercial Environment, H. S. Cemin, J. C. Woodworth, M. D. Tokach, S. S. Dritz, J. M. Derouchey, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 2,430 pigs (PIC 337 × 1050; initially 66.3 lb BW) were used in a 113-d growth trial to determine the effects of increasing Zn on growth performance and carcass characteristics of finishing pigs. Two barns were used for a total of 18 pens per treatment with 27 pigs per pen. Pigs were allotted by average initial BW and assigned to 1 of 5 dietary treatments consisting of 50, 87.5, 125, 162.5, or 200 ppm added Zn from Zn hydroxychloride (Intellibond Z, Micronutrients, Indianapolis, IN). Experimental diets were fed from d 0 to 113 in 5 phases and …
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 …
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 …
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 …
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 …
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 …
Effects Of Increasing Zinc From Two Different Sources On Nursery Pig Performance, K. E. Jordan, M. A. Goncalves, J. A. De Jong, J. C. Woodworth, J. L. Usry, R. D. Goodband, M. D. Tokach, S. S. Dritz, J. M. Derouchey
Effects Of Increasing Zinc From Two Different Sources On Nursery Pig Performance, K. E. Jordan, M. A. Goncalves, J. A. De Jong, J. C. Woodworth, J. L. Usry, R. D. Goodband, M. D. Tokach, S. S. Dritz, J. M. Derouchey
Kansas Agricultural Experiment Station Research Reports
A total of 360 weanling pigs (Line 400 × 200; DNA Genetics, Columbus, NE, initially 13.0 lb) were used in a 28-d trial to evaluate the effects of Zn source and level on nursery pig growth performance. Each treatment had 8 replicate pens with 5 pigs per pen. The 9 dietary treatments were arranged as 2 × 4 + 1 factorial and consisted of a control diet that contained 110 ppm Zn from ZnSO4from the trace mineral premix or the control diet with 390, 890, 1,890, or 2,890 ppm added Zn from either TBZC (Intellibond Z; Micronutrients, Indianapolis, …