Nutrition and mobilization of body reserves in sows

M. Neil

Nutrition and mobilization of body reserves in sows

In: Energy metabolism in animals

Author:

M. Neil

M. Neil Dept of Animal Nutrition and Management, Swedish University of Agricultural Sciences, Centre for Reproductive Biology, Funbo-Lövsta Research Station, S-755 97 Uppsala, Sweden

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Type:: Chapter

Pages:: 337–340

DOI:: https://doi.org/10.1163/9789004683600_082

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Summary

The feeding treatments Standard (S) and Adjusted (A) were compared in a study comprising 105 Yorkshire gilts, 69 of which were followed to their 3^rd litter. S sows were supplied 27 MJ ME and 0.29 kg DCP daily during gestation and fed on scale with a daily allowance of 85 MJ ME and 0.92 kg DCP for a litter of 10 during lactation. During gestation, A sows were fed an oats and barley diet supplying 27 MJ ME and 0.22 kg DCP daily, and from farrowing the standard sow diet (12.1 MJ ME and 0.13 kg DCP per kg) ad libitum. Both S and A sows increased in live weight (LW) and ultrasonic backfat depth (BF) during gestation. During lactation, S, but not A sows decreased in LW and BF. This difference in mobilization of body reserves was reflected by serum NEFA levels and in the levels of triglycerides and creatinine. Over the 3 parities, A sows reached a higher LW than did S sows. BF increased slightly in A sows, whereas it was reduced in S sows. Piglet LW increased from 1^st to 3^rd parity. This increase was more pronounced in A than in S sows. In comparison, the A feeding regime was superior in terms of preserving sow body reserves and of litter weaning weights.

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Energy metabolism in animals

Proceedings of the 15th symposium on energy metabolism in animals

E-Book ISBN:: 9789004683600

Publisher:: Wageningen Academic

Print Publication Date:: 01 Jan 2001

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- Life Sciences
  - General
  - Animal & Veterinary

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Nutrition and mobilization of body reserves in sows

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Energy metabolism in animals

Proceedings of the 15th symposium on energy metabolism in animals

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