297 Effects of dietary zinc source and level on nursery pig performance

Abstract Weaning induces major structural and function changes to the small intestine of pigs and they transition from milk to solid feedstuffs. Thus, the objective of this study was to determine how intestinal morphology and function markers relate to feed intake and growth rates of nursery pig. Forty-eight weaned pigs (5.63 ± 0.50 kg) were randomly selected, individually penned and fed a common diet. Pig bodyweights and feed intake were determined at d 2, 7, and 21. At each time point, 16 pigs were randomly selected and euthanized. Sections of ileum were assessed for morphology [villus height (VH), crypt depth (CD) and VH:CD] and ex vivo transepithelial resistance (TER), macromolecule permeability (FD4), and active transport of glucose and glutamine via modified Ussing chambers. Within each period (d 0–2, 0–7, and 0–21), Pearson correlations were performed between ADG, ADFI, VH, VH:CD, TER, FD4 and active transport of glucose and glutamine. At d 2 post-weaning, no correlations (P > 0.05) were observed between performance and intestinal variables. By d 7, moderate positive correlations between VH and ADFI (r = 0.69, P = 0.005), VH and ADG (r = 0.68, P = 0.006) were reported. At 21 d post-weaning, moderate positive correlations were still observed for VH and ADFI (r = 0.55, P = 0.026) and between VH and ADG (r = 0.51, P = 0.042). Interestingly, ADFI and ADG tended to be negatively correlated with active glucose transport (r = -0.45, P = 0.083 and r = -0.47, P = 0.064, respectively) and active glutamine transport (r = -0.45, P = 0.083 and r = -0.46, P = 0.073, respectively). Markers of ileal integrity (TER and FD4) were not correlated with ADG or ADFI at any time point. Altogether, these data highlight the importance of intestinal morphology on early nursery pig performance.

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286 Effects of a yeast-based feed additive on nursery pig performance

Journal of Animal Science ◽

10.2527/asasmw.2017.286 ◽

2017 ◽

Vol 95 (suppl_2) ◽

pp. 138-139

Author(s):

H. E. Williams ◽

J. C. Woodworth ◽

J. M. DeRouchey ◽

S. S. Dritz ◽

M. D. Tokach ◽

...

Keyword(s):

Feed Additive ◽

Nursery Pig ◽

Pig Performance

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Evaluation of a bioprocessed soybean meal on nursery pig performance and immune status1,2

Journal of Animal Science ◽

10.2527/jas2017.1679 ◽

2017 ◽

Vol 95 (11) ◽

pp. 5030-5039 ◽

Cited By ~ 2

Author(s):

J. R. Koepke ◽

R. S. Kaushik ◽

W. R. Gibbons ◽

M. Brown ◽

C. L. Levesque

Keyword(s):

Soybean Meal ◽

Nursery Pig ◽

Pig Performance

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234 Effects of Sulfur-Containing Preservative Blends or Sodium Metabisulfite with or without a Yeast Derivative on Nursery Pig Performance When Challenged with Diets Containing Elevated Level of Deoxynivalenol.

Journal of Animal Science ◽

10.1093/jas/sky073.231 ◽

2018 ◽

Vol 96 (suppl_2) ◽

pp. 124-125

Author(s):

S M Ebarb ◽

C M Fowler ◽

S B Williams ◽

D W Giesting

Keyword(s):

Elevated Level ◽

Sodium Metabisulfite ◽

Nursery Pig ◽

Pig Performance ◽

Sulfur Containing

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213 Effects of creep feed pellet diameter on suckling and nursery pig performance

Journal of Animal Science ◽

10.2527/msasas2016-213 ◽

2016 ◽

Vol 94 (suppl_2) ◽

pp. 100-101 ◽

Cited By ~ 2

Author(s):

A. B. Clark ◽

J. A. De Jong ◽

J. M. DeRouchey ◽

M. D. Tokach ◽

S. S. Dritz ◽

...

Keyword(s):

Pellet Diameter ◽

Creep Feed ◽

Nursery Pig ◽

Feed Pellet ◽

Pig Performance

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Integument, mortality, and skeletal strength in extended production cycles for laying hens – effects of genotype and dietary zinc source

British Poultry Science ◽

10.1080/00071668.2021.1955329 ◽

2021 ◽

Author(s):

Helena Wall ◽

Malin Boyner ◽

Dirk Jan de Koning ◽

Andreas Kindmark ◽

Heather A McCormack ◽

...

Keyword(s):

Laying Hens ◽

Dietary Zinc ◽

Zinc Source ◽

Production Cycles

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244 Effect of Fiber Source and Crude Protein Level on Nursery Pig Performance

Journal of Animal Science ◽

10.1093/jas/skab054.152 ◽

2021 ◽

Vol 99 (Supplement_1) ◽

pp. 94-95

Author(s):

Kelsey Hammers ◽

Hilda I Calderon ◽

Mike D Tokach ◽

Jason C Woodworth ◽

Robert D Goodband ◽

...

Keyword(s):

Growth Performance ◽

Crude Protein ◽

Phase 1 ◽

Experimental Period ◽

Oat Hulls ◽

Nursery Pigs ◽

Nursery Pig ◽

Pig Performance ◽

Two Phases ◽

Main Effects

Abstract A total of 360 pigs (DNA 200′400, initially 5.0 kg) were used in a 45-d growth trial to determine the effects of fiber source and crude protein (CP) level in diets without pharmacological levels of ZnO on nursery pig growth performance and fecal dry matter (DM). Pigs were randomly assigned to 1 of 8 treatments with 5 pigs/pen and 9 pens/treatment. Treatments were arranged in a 2×4 factorial with main effects of CP (21 or 18%) and fiber source [none, coarse wheat bran (CWB), oat hulls, or cellulose (Arbocel, J. Rettenmaier USA, Schoolcraft, MI)]. Fiber source was added to equalize the level of insoluble fiber contributed from 4% CWB, resulting in the addition of 1.85% oat hulls or 1.55% cellulose. Diets were fed in two phases (d 0 to 10 and 10 to 24) followed by a common diet (d 24 to 45). The 21% CP diets contained 1.40% SID Lys in phase 1 and 1.35% SID Lys in phase 2. Treatment diets were formulated to a maximum SID Lys:digestible CP level of 6.35%, thus SID Lys decreased in the 18% CP (1.25% SID Lys) diets. Data were analyzed using the lmer function in R. No fiber source × CP level interactions (P >0.05) were observed. Decreasing dietary CP decreased (P = 0.05) ADG, G:F, and d 24 BW. Overall, ADG and d 45 BW decreased (P < 0.05) for pigs fed 18% CP diets. No main effects of fiber source were observed for growth performance throughout the study. Fecal DM increased (P < 0.05) for pigs fed added cellulose compared to pigs fed no fiber or CWB in the experimental period. In conclusion, reducing dietary CP decreased growth performance and the inclusion of cellulose improved fecal DM of nursery pigs.

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152 Effects of dietary lactose level on nursery pig performance

Journal of Animal Science ◽

10.1093/jas/skz122.157 ◽

2019 ◽

Vol 97 (Supplement_2) ◽

pp. 86-87

Author(s):

Jason Frank ◽

Emily Sholtz ◽

Casey Neill ◽

Jon De Jong

Keyword(s):

Linear Trend ◽

Phase 1 ◽

Phase 2 ◽

Feed Cost ◽

Nursery Pig ◽

Quadratic Response ◽

Weaned Pig ◽

Pig Performance ◽

D 20 ◽

D 12

Abstract Lactose is a critical nutrient in post weaning diets to help pigs transition from sows’ milk to dry feed. The objective of this study was to evaluate the effects of increasing dietary lactose level on nursery pig performance. For this trial 1,080 weaned pigs (PIC 359 x 1050; BW = 6.24 kg; 21 d) were fed 5 lactose programs using a feed budget. Program A = 24, 18, 7%; B = 20, 14, 5%; C =16, 10, 3%; D = 12, 6, 1%; and E = 8, 2, 0% lactose for Phase 1, 2, and 3; respectively. The feed budget for Phase 1 (d 0–7), 2 (d 7–14), and 3 (d 14–20) was 0.91, 3.4, and 4.5 kg/pig; respectively. A common Phase 4 (d 20–48) diet (0% lactose) was fed ad libitum. There was a quadratic response to lactose level in treatments A through E for Phase 1 ADFI (89, 71, 73, 73, 89 g/d; respectively, P = 0.034) and G:F (1.09, 1.33, 1.14, 1.15, 0.91; respectively, P = 0.042). Treatment A through E Phase 1 ADG was 100, 95, 91, 82, and 82 g/d, and Phase 2 ADG (Linear, P = 0.023) was 322, 313, 318, 304, and 295 g/d; respectively. The result was a linear trend for increased BW at the end of Phase 2 (P = 0.10) for treatments A through E (9.21, 9.10, 9.16, 9.00, 8.86 kg; respectively). Although feed cost/pig increased as lactose level increased (Linear, P = 0.041), there was no significant response in margin over feed cost/pig during the overall nursery period for treatments A through E ($15.31, $16.41, $16.22, $15.87, $16.04; respectively). In conclusion, pig performance improved during Phase 1 and 2 with increasing level of dietary lactose. These results confirm previous research showing the importance of dietary lactose in weaned pig diets.

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