Effect of pharmacological concentrations of zinc oxide with or without the inclusion of an antibacterial agent on nursery pig performance

G. M. Hill, D. C. Mahan, S. D. Carter, G. L. Cromwell, R. C. Ewan, R. L. Harrold, A. J. Lewis, Phillip S Miller, G. C. Shurson, T. L. Veum, T. R. Cline, T. D. Crenshaw, G. R. Hollis, G. W. Libal, J. L. Nelssen, J. T. Yen, D. K. Layman

Research output: Contribution to journalArticle

99 Citations (Scopus)

Abstract

A study involving nine research stations from the NCR-42 Swine Nutrition Committee used a total of 1,978 crossbred pigs to evaluate the effects of dietary ZnO concentrations with or without an antibacterial agent on postweaning pig performance. In Exp. 1, seven stations (IA, MI, MN, MO, NE, ND, and OH) evaluated the efficacy of ZnO when fed to nursery pigs at 0, 500, 1,000, 2,000, or 3,000 mg Zn/kg for a 28-d postweaning period. A randomized complete block experiment was conducted in 24 replicates using a total of 1,060 pigs. Pigs were bled at the 28-d period and plasma was analyzed for Zn and Cu. Because two stations weaned pigs at < 15 d (six replicates) and five stations at > 20 d (18 replicates) of age, the two sets of data were analyzed separately. The early-weaned pig group had greater (P < 0.05) gains, feed intakes, and gain:feed ratios for the 28-d postweaning period as dietary ZnO concentration increased. Later-weaned pigs also had increased (P < 0.01) gains and feed intakes as the dietary ZnO concentration increased. Responses for both weanling pig groups seemed to reach a plateau at 2,000 mg Zn/kg. Plasma Zn concentrations quadratically increased (P < 0.01) and plasma Cu concentrations quadratically decreased (P < 0.01) when ZnO concentrations were > 1,000 mg Zn/kg. Experiment 2 was conducted at seven stations (KY, MI, MO, NE, ND, OH, and OK) and evaluated the efficacy of an antibacterial agent (carbadox) in combination with added ZnO. The experiment was a 2 × 3 factorial arrangement in a randomized complete block design conducted in a total of 20 replicates. Carbadox was added at 0 or 55 mg/kg diet, and ZnO was added at 0, 1,500, or 3,000 mg Zn/ kg. A total of 918 pigs were weaned at an average 19.7 d of age. For the 28-d postweaning period, gains (P < 0.01), feed intakes (P < 0.05), and gain:feed ratios (P < 0.05) increased when dietary ZnO concentrations increased and when carbadox was added. These responses occurred in an additive manner. The results of these studies suggest that supplemental ZnO at 1,500 to 2,000 mg Zn/kg Zn improved postweaning pig performance, and its combination with an antibacterial agent resulted in additional performance improvements.

Original languageEnglish (US)
Pages (from-to)934-941
Number of pages8
JournalJournal of animal science
Volume79
Issue number4
DOIs
StatePublished - Jan 1 2001

Fingerprint

Zinc Oxide
zinc oxide
Nurseries
Swine
antibiotics
Pharmacology
Anti-Bacterial Agents
swine
Carbadox
carbadox
committees
crossbreds
feed intake
nutrition
Diet

Keywords

  • Copper Sulfate
  • Pigs
  • Weaning
  • Zinc
  • Zinc Oxide

ASJC Scopus subject areas

  • Food Science
  • Animal Science and Zoology
  • Genetics

Cite this

Hill, G. M., Mahan, D. C., Carter, S. D., Cromwell, G. L., Ewan, R. C., Harrold, R. L., ... Layman, D. K. (2001). Effect of pharmacological concentrations of zinc oxide with or without the inclusion of an antibacterial agent on nursery pig performance. Journal of animal science, 79(4), 934-941. https://doi.org/10.2527/2001.794934x

Effect of pharmacological concentrations of zinc oxide with or without the inclusion of an antibacterial agent on nursery pig performance. / Hill, G. M.; Mahan, D. C.; Carter, S. D.; Cromwell, G. L.; Ewan, R. C.; Harrold, R. L.; Lewis, A. J.; Miller, Phillip S; Shurson, G. C.; Veum, T. L.; Cline, T. R.; Crenshaw, T. D.; Hollis, G. R.; Libal, G. W.; Nelssen, J. L.; Yen, J. T.; Layman, D. K.

In: Journal of animal science, Vol. 79, No. 4, 01.01.2001, p. 934-941.

Research output: Contribution to journalArticle

Hill, GM, Mahan, DC, Carter, SD, Cromwell, GL, Ewan, RC, Harrold, RL, Lewis, AJ, Miller, PS, Shurson, GC, Veum, TL, Cline, TR, Crenshaw, TD, Hollis, GR, Libal, GW, Nelssen, JL, Yen, JT & Layman, DK 2001, 'Effect of pharmacological concentrations of zinc oxide with or without the inclusion of an antibacterial agent on nursery pig performance', Journal of animal science, vol. 79, no. 4, pp. 934-941. https://doi.org/10.2527/2001.794934x
Hill, G. M. ; Mahan, D. C. ; Carter, S. D. ; Cromwell, G. L. ; Ewan, R. C. ; Harrold, R. L. ; Lewis, A. J. ; Miller, Phillip S ; Shurson, G. C. ; Veum, T. L. ; Cline, T. R. ; Crenshaw, T. D. ; Hollis, G. R. ; Libal, G. W. ; Nelssen, J. L. ; Yen, J. T. ; Layman, D. K. / Effect of pharmacological concentrations of zinc oxide with or without the inclusion of an antibacterial agent on nursery pig performance. In: Journal of animal science. 2001 ; Vol. 79, No. 4. pp. 934-941.
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AU - Veum, T. L.

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AU - Hollis, G. R.

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KW - Copper Sulfate

KW - Pigs

KW - Weaning

KW - Zinc

KW - Zinc Oxide

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