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Author(s): Beth Young, Catherine E. Dewey, Robert M. Friendship
Publication Date: July 26, 2011
Reference: Can Vet J 2010;51:185–189

Summary:

The objectives of this study were to determine associations between low farrowing rate and various management factors in sow herds. In 30 sow herds, a management survey, breeding observations, semen evaluation, and semen storage temperature monitoring were completed. Herds with an average farrowing rate of, 85% were classified as low farrowing rate herds while those with an average farrowing rate of $ 85% were classified as good farrowing rate herds. Low farrowing rate herds were more likely than good farrowing rate herds to move boars into gilt pens for estrus detection, breed a high proportion of sows by artificial insemination (AI) only, start heat detection 3 d post-weaning, wipe the vulva prior to breeding, and use “hands-free” AI devices.

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