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Mating by vasectomized boars failed to improve fertility in gilts inseminated with frozen semen
V G Pursel1, D O Elliott, C W Newman
1U.S. Department of Agriculture, ARS, Beltsville Agricultural Research Center, Reproduction Laboratory, Beltsville, MD 20705, USA.
Theriogenology
|July 1, 1982
Abstract:
One-hundred sixty-four gilts were artificially inseminated (AI) with frozen-thawed boar semen and, of these, 78 were immediately bred by a vasectomized boar after AI. The farrowing rate and litter size were 37.2 and 7.2 for mated gilts and 38.4 and 7.5 for control gilts, respectively. Mating by a vasectomized boar did not improve fertility or litter size.
