Effects of Hormone Treatment with Feeding and Management Modification Investigated by Transrectal Ovarian Ultrasonography in Anestrous Pigs
Author:
Affiliation:
1. The United Graduate School of Veterinary Science， Yamaguchi University
Publisher
Japan Veterinary Medical Association
Link
https://www.jstage.jst.go.jp/article/jvma/62/2/62_126/_pdf
Reference9 articles.
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3. [6] Langendijk P，Soede NM，Kemp B : Effects of boar contact and housing conditions on estrus expression in weaned sows，J Anim Sci，78，871-878 (2000)
4. [7] Challinor CM，Dams G，Edwards B，Close WH : The effect of body composition of gilts at first mating on long-term sow productivity，Anim Sci，62，660 (1996)
5. [8] Kirkwood RN，Baidoo SK，Aherne FX，Sather AP : The influence of feeding level during lactation on the occurrence and endocrinology of postweaning estrus in sows， Can J Anim Sci，67，405-415 (1987)
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