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Super-alimentation of gilts during lactation

Pluske, J.R.ORCID: 0000-0002-7194-2164, Williams, I.H., Clowes, E.C., Zak, L.J., Cegielski, A.C. and Aherne, F.X. (1995) Super-alimentation of gilts during lactation. In: Manipulating Pig Production V. Proceedings of the sixth biennial conference of the Australasian Pig Science Association (APSA), 26 - 29 November, Canberra, Australia p. 129.

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Sows attempt to meet the sudden and large metabolic demand of lactation by increasing their level of voluntary food intake. However, the voluntary food intake of most sows during lactation generally does not provide sufficient energy or protein to meet their requirements for maintenance and milk production. By providing multiparous sows with extra food during lactation (via a gastric cannula) they remained in an anabolic state, and both milk production and piglet growth were increased (Matzat et al., 1990). Do gilts respond in the same way as sows to extra food in lactation? Gilts are smaller than sows and would be expected to have a greater impetus for body growth because they have not reached their mature body size. If gilts are provided with extra food during lactation, they might partition more of it into body tissue and less into milk. Gilts, fitted with gastric cannulas, were used to test the hypothesis that they would respond differently from the sows of Matzat et al. (1990) to extra food in lactation.

Item Type: Conference Paper
Murdoch Affiliation(s): School of Veterinary Studies
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