繁殖、育种与人工授精 专题文章
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Launching Gilts for Longevity
By Bill Raufer, Pork Magazine - Special attention to the replacement gilt offers immediate and long-term benefits, says R. Dean Boyd, technology director for the Hanor Company, which has 100,000 sows in several states.
By Bill Raufer, Pork Magazine - Special attention to the replacement gilt offers immediate and long-term benefits, says R. Dean Boyd, technology director for the Hanor Company, which has 100,000 sows in several states.
Techniques for Training Boars for Semen Collection
By Mark Estienne, Swine Research Physiologist, and Allen Harper, Extension Animal Scientist-Swine, Tidewater AREC - This article focuses training boars for collection of semen off of a "dummy sow".
By Mark Estienne, Swine Research Physiologist, and Allen Harper, Extension Animal Scientist-Swine, Tidewater AREC - This article focuses training boars for collection of semen off of a "dummy sow".
Artificial Insemination in Swine: Breeding the Female
By Jodi Sterle and Tim Safranski,Department of Animal Sciences, University of Missouri-Columbia Artificial insemination (AI) in swine is not a new technique. There are reports as early as the 1930s of collecting semen for insemination. However, use...
By Jodi Sterle and Tim Safranski,Department of Animal Sciences, University of Missouri-Columbia Artificial insemination (AI) in swine is not a new technique. There are reports as early as the 1930s of collecting semen for insemination. However, use...
An investigation of intrauterine insemination with reduced sperm number in gilts and sows
Dissertation by Claudia Kr??ger, School of Veterinary Medicine, Hannover (English Abstract); The goal of this study was to determine the minimal number of sperm which can be used without reduction in either the pregnancy rate or the mean litter size,...
Dissertation by Claudia Kr??ger, School of Veterinary Medicine, Hannover (English Abstract); The goal of this study was to determine the minimal number of sperm which can be used without reduction in either the pregnancy rate or the mean litter size,...
Dealing with Litter Size Problems
by John Gadd, Dorset, England. Litter size ??“ particularly piglets born alive/litter ??“ does not seem to be much of a headache for European pork producers. But farther afield from Europe...
by John Gadd, Dorset, England. Litter size ??“ particularly piglets born alive/litter ??“ does not seem to be much of a headache for European pork producers. But farther afield from Europe...
Comfortable sows make more pigs.
By Tim Safranski, MU extension swine reproduction specialist. This article presents a number of sow-care techniques to increase litter size. Reducing stress in the first 14 days of gestation is the key.
By Tim Safranski, MU extension swine reproduction specialist. This article presents a number of sow-care techniques to increase litter size. Reducing stress in the first 14 days of gestation is the key.
Coping with seasonal infertility in the sow herd.
By NCSU Extension Swine Husbandry specialists. During summer and early fall, many sow farms experience a variety of reproductive problems. These problems can be, but are not limited to, anestrus, extended or no weaning-to-estrus intervals, poor conception...
By NCSU Extension Swine Husbandry specialists. During summer and early fall, many sow farms experience a variety of reproductive problems. These problems can be, but are not limited to, anestrus, extended or no weaning-to-estrus intervals, poor conception...




