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繁殖、育种与人工授精 专题文章
显示繁殖、育种与人工授精 当中的106-120号文章
Obtaining Optimal Reproductive Efficiency
By Dr. Todd See, Swine Genetics Specialist, North Carolina State University - To maintain optimal reproduction and throughput in a swine operation, a complete understanding of the operation and its productivity is required.
By Dr. Todd See, Swine Genetics Specialist, North Carolina State University - To maintain optimal reproduction and throughput in a swine operation, a complete understanding of the operation and its productivity is required.
Customised Genetics - A Case History
With processors??? specifications becoming more and more specialized, US-based Andrew Coates, PIC???s Technical Services Director for Genetics, describes how a custom selection index can be designed to deliver to the most exacting contracts.
With processors??? specifications becoming more and more specialized, US-based Andrew Coates, PIC???s Technical Services Director for Genetics, describes how a custom selection index can be designed to deliver to the most exacting contracts.
Controlled reproduction of the pig: The benefits of P.G. 600
By Jan Baars, Annette Bonde Larsen and Marc Martens, Intervet. - P.G. 600 was developed in the beginning of the sixties and introduced on the Dutch market in 1965. Since then it has been registered in pig producing countries all over the world, including...
By Jan Baars, Annette Bonde Larsen and Marc Martens, Intervet. - P.G. 600 was developed in the beginning of the sixties and introduced on the Dutch market in 1965. Since then it has been registered in pig producing countries all over the world, including...
Does boar presence influence aggression, shoulder scratches and stress among newly mixed bred sows?
By M. J. S??guin, T.M. Widowski and R.M. Friendship, University of Guelph; R.N. Kirkwood and A.J. Zanella, Michigan State University - This article is taken from the University of Guelph Swine Research Review 2005 report. In group housing systems, the...
By M. J. S??guin, T.M. Widowski and R.M. Friendship, University of Guelph; R.N. Kirkwood and A.J. Zanella, Michigan State University - This article is taken from the University of Guelph Swine Research Review 2005 report. In group housing systems, the...
Getting The Best Results From Gilt Mating Using AI
By John Goss, PIC UK - This is the third of three articles by John Goss dedicated to the improvement of AI technique and results.
By John Goss, PIC UK - This is the third of three articles by John Goss dedicated to the improvement of AI technique and results.
Success with Batch Farrowing
By John Goss, PIC UK - This is the second of three articles by John Goss dedicated to the improvement of AI technique and results.
By John Goss, PIC UK - This is the second of three articles by John Goss dedicated to the improvement of AI technique and results.
Handling Pigs for Optimum Performance on the Farm and in the Slaughter
By Temple Grandin, Colorado State University - Observations at packing plants indicate that some lines of hybrid pigs have a very nervous temperament and others are calm. Some pigs are easy to drive up chutes and others are nervous and constantly balk...
By Temple Grandin, Colorado State University - Observations at packing plants indicate that some lines of hybrid pigs have a very nervous temperament and others are calm. Some pigs are easy to drive up chutes and others are nervous and constantly balk...
Achieving Results Using AI: Could You Do Better?
By John Goss, PIC UK - This is the first of three articles by John Goss dedicated to the improvement of AI technique and results.
By John Goss, PIC UK - This is the first of three articles by John Goss dedicated to the improvement of AI technique and results.
Impact of genetic selection on management
By J.A.B. Robinson and M.M. Buhr, University of Guelph - Boars in an artificial insemination centre have been selected for their superior genetic potential, with ???superior??? being defined as having traits the customer wants transmitted to his herd....
By J.A.B. Robinson and M.M. Buhr, University of Guelph - Boars in an artificial insemination centre have been selected for their superior genetic potential, with ???superior??? being defined as having traits the customer wants transmitted to his herd....
Semen Extension: A comparison of Methods
By W.E. Morgan Morrow, North Carolina State University - Optimizing procedures for handling semen is an important component of any boar-stud-management program. One procedure that has gained attention is the concept of ???pre-extension???, whereby a small...
By W.E. Morgan Morrow, North Carolina State University - Optimizing procedures for handling semen is an important component of any boar-stud-management program. One procedure that has gained attention is the concept of ???pre-extension???, whereby a small...
Maintaining Boar Productivity in Hot Weather
By Murray Tong, Ontario Pork - Pork producers and breeders need to ensure they keep boars cool during the hot summer months, according to a new University of Guelph study, that found that the high temperatures of summer lower boar semen quality, sometimes...
By Murray Tong, Ontario Pork - Pork producers and breeders need to ensure they keep boars cool during the hot summer months, according to a new University of Guelph study, that found that the high temperatures of summer lower boar semen quality, sometimes...
Long-term effects of dietary organic and inorganic selenium sources and levels on reproducing sows and their progeny
Mahan DC, Peters JC, Ohio State University - An experiment evaluated the effects of feeding either a basal non-Se-fortified diet, two Se sources (organic or inorganic) each providing 0.15 and 0.30 ppm Se, or their combination (each providing 0.15 ppm...
Mahan DC, Peters JC, Ohio State University - An experiment evaluated the effects of feeding either a basal non-Se-fortified diet, two Se sources (organic or inorganic) each providing 0.15 and 0.30 ppm Se, or their combination (each providing 0.15 ppm...
Practical Aspects of Artificial Insemination
By Murray Pettitt, Research Scientist-Contract Research Services, Praire Swine Centre - During the last decade, the use of Artificial Insemination (AI) has become common as producers wish to realize the benefits of AI within their herds.
By Murray Pettitt, Research Scientist-Contract Research Services, Praire Swine Centre - During the last decade, the use of Artificial Insemination (AI) has become common as producers wish to realize the benefits of AI within their herds.
Boosting Boar Power in the Breeding Barn
By Banff Pork - This report provides the introductions and links to 4 articles presented at the Banff Pork Seminar 2004 Proceedings concerning the health and productivity of Boars. The articles include; - Boar Nutrition for Optimum Sperm Production ...
By Banff Pork - This report provides the introductions and links to 4 articles presented at the Banff Pork Seminar 2004 Proceedings concerning the health and productivity of Boars. The articles include; - Boar Nutrition for Optimum Sperm Production ...
Save Energy in the Farrowing Room With Piglet Hovers / Kennels
By Larry D. Jacobson and Lee J. Johnston, University of Minnesota Extension Service - Piglet Hovers (or kennels) are simple, solid partition enclosures located in the farrowing crate or pen to which piglets have free access. A few commercial companies...
By Larry D. Jacobson and Lee J. Johnston, University of Minnesota Extension Service - Piglet Hovers (or kennels) are simple, solid partition enclosures located in the farrowing crate or pen to which piglets have free access. A few commercial companies...
