the subsequent milk production and weaning weight. Even though feed additives for piglets show varying results in trials, the large litter size in modern pig produc-tion, where sows typically nurse 14-15 piglets, requires that we offer piglets supplemental milk and dry feed to teach the piglets to eat dry feed before weaning. Feeding strategy at weaning, disinfection of the pen prior to transfer of pigs and overall hygiene in the pen, transfer strategy, health status and access to water are all factors that affect weaned piglets and that need to function optimum to successfully manage the termination of zinc oxide without an increase in antibiotic use.
References: 1] Kjeldsen, N., Krogsdahl, J., & Koziara, S.E. (2017): Alternatives to medicinal zinc in feed for weaned pigs. Trial report 1101, SEGES Danish Pig Research Centre. [2] Kjeldsen, N. & Krogsdahl, J. (2018): Test of feeding concepts as an alternative to zinc oxide for weaned pigs. Trial report 1147, SEGES Danish Pig Research Centre. [3] Sloth, N.M., Tybirk, P., Lindegaard, J. & Vinther, J. (2017): Idealproteinniveau til smågrise (only available in Danish). Trial report 1095, SEGES Danish Pig Research Centre. [4] Callesen, J. & Johansen, M. (2006): Betydning af foderets proteinindhold og sammensætning for tilvækst og fravænningsdiarré (only available in Danish). Trial report 740, SEGES Danish Pig Re- search Centre.
[5] Heo, J.M, Kim, J.C., Yoo, J. & Pluske, J.R. (2015): Animal Science Journal 86, 286-293 [6] Poulsen, J., Krogsdahl, J. & Voergaard, A.L. (2018): Sojaskrå kontra sojaproteinprodukter (only available in Danish). Trial report 1137, SEGES Danish Pig Research Centre [7] Sloth, N.M., Thoning, H., Hansen, A.V., Tybirk, P., & Koziara, S.E. (2018): Calciumbehov til smågrise (only available in Danish). Trial report 1139, SEGES Danish Pig Research Centre. [8] Mahan D.C, Wiseman, T.D., Weaver, E. & Russel L. (1999): American Society of Animal Sci-ence,77:3016-3021. [9] Johansen, M., Jørgensen, L. & Schultz, M.S. (2007): Effekt af zink og organiske syrer på diarréer i smågriseperioden (only available in Danish). Trial report 778, SEGES Danish Pig Research Centre. [10] Poulsen, J., Vinther, J. & Møller, S. (2015): Benzoic acid as replacement for copper in feed for weaned pigs. Trial report 1057, SEGES Danish Pig Research Centre. [11] Poulsen, J., Lindegaard, J. & Vinther, J. (2016): 0.5% benzoic acid can replace copper in feed for weaned pigs. Trial report 1065, SEGES Danish Pig Research Centre.
This article is based on the text of a paper
presented by Niels Kjeldsen at the recent Society of Feed Technologists Pigs Meeting
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