Economics of Selection Programs for Artificial Insemination
نویسندگان
چکیده
منابع مشابه
Keys to Successful Estrus Synchronization and Artificial Insemination Programs
Introduction The development of effective methods of synchronizing estrus and ovulation has been based on our understanding of the physiological and hormonal mechanisms controlling the estrous cycle and the initiation of estrous cyclicity and prepuberty in heifers and postpartum cows. Although estrus synchronization products (PGF2, MGA, CIDR and GnRH) and protocols have changed over time, the ...
متن کاملArtificial Insemination
A GROUP of dairymen in New Jersey organized in 1938 the first cooperative in the United States for the artificial insemination of their cows. This method of serving females without natural mating has since become one of the most significant programs for livestock improvement in the history of American agriculture. A great deal of research has been done on all phases. A basic contribution was th...
متن کاملArtificial Insemination
[2] Artificial insemination is a relatively simple medical procedure by which semen obtained by masturbation is deposited by means of a syringe in or near the cervix of the woman's uterus. Artificial insemination is of two basic types: homologous insemination, when the semen is obtained from the husband (AIH); and heterologous insemination, when the semen is obtained from a donor (AID). AIH is ...
متن کاملGuardianship of Children Born from Artificial Insemination
Infertility in the world today is no longer an inescapable problem, and doctors have been able to solve the problem of infertile treatment in a coherent way. The birth of children by artificial insemination is in the following ways: 1) Insemination by husband’s sperm with egg inside the uterus or out of it for fertilization, and 2) Inoculation by another sperm (stranger-donor) inside or outside...
متن کاملArtificial insemination in marsupials.
Assisted breeding technology (ART), including artificial insemination (AI), has the potential to advance the conservation and welfare of marsupials. Many of the challenges facing AI and ART for marsupials are shared with other wild species. However, the marsupial mode of reproduction and development also poses unique challenges and opportunities. For the vast majority of marsupials, there is a ...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1977
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(77)83920-9