The effect of gonadotrophin treatment at weaning on primiparous sow performance

Author:

Patterson Jennifer,Cameron Audrey,Smith Taylor,Kummer Aline,Schott Rydell,Greiner Laura,Conner Joseph,Foxcroft George

Abstract

In sows treated at weaning with gonadotrophins, weaning-to-estrus interval was shorter than in untreated controls, but the proportions of sows bred within a 3-day period or 7 days after weaning, farrowing rate, total born, and born alive did not differ with treatment.

Publisher

American Association of Swine Veterinarians

Reference16 articles.

1. Effects of parity, season and boar contact on the reproductive performance of weaned sows;Hughes;Livest Prod Sci,1998

2. Time of ovulation and reproductive performance over three parities after treatment of primiparous sows with PG600;Vargas;Theriogenology,2006

3. Consequences of variation in weaning-to-estrus interval on reproductive performance of swine females;Poleze;Livest Sci,2006

4. Nutritional restriction in lactating primiparous sows selectively affects female embryo survival and overall litter development;Vinsky;Reprod Fertil Dev,2006

5. 5. Canadian Council on Animal Care. Guidelines on: the care and use of farm animals in research, teaching and testing. Ottawa, Ontario, Canada; 2009. Available at: http://www.ccac.ca/en/CCAC_Programs/Guidelines_Policies/GDLINES/Guidelis.htm. Accessed 6 May 2010.

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