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Direct Frozen Embryo Transfer: Embryos can be frozen by SPF in ethylene glycol freeze media and transfer directly to recipients immediately after water thawing without laboratory thawing process. The world's first crossbred bovine embryo transfer calf under tropical conditions was produced by such technique on 23 June 1996 by Dr. Binoy S ...
Embryo transfer refers to a step in the process of assisted reproduction in which embryos are placed into the uterus of a female with the intent to establish a pregnancy.This technique - which is often used in connection with in vitro fertilization (IVF) - may be used in humans or in other animals, in which situations and goals may vary.
The farm raises Red Sindhi cattle and Kangeyam cattle in order to "encourage pure breeding and to preserve native breeds." [7] The Farm has an embryo transfer laboratory. Embryos from Red Sindhi cows are collected by multiple ovulation and embryo transfer technology and are transferred to cross-bred recipient cows by non-surgical method.
This process typically takes 30 minutes or less. [30] Technicians are able to determine the sex of the embryo, which can be especially beneficial in the dairy industry because it is more desirable for the embryo to be a female. [31] Vitrification is the preferred method of embryo freezing because it yields higher quality embryos. [32]
In livestock species such cattle, transvaginal oocyte recovery from the ovaries of live female animals can be repeatedly carried out prior to the in vitro production of embryos. [41] In non-domesticated animals, IVM can also be used for the conservation of endangered species whilst maintaining genetic diversity. [42]
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Morné de la Rey (born 7 February 1970) is a South African veterinary surgeon and embryo transfer specialist. [1] In 2003, he was one of a team of scientists and veterinarians from his company Embryo Plus and the Danish Agriculture Institute to clone a cow, the first animal to be cloned in Africa. [ 2 ]
In animals, the process involves a sperm fusing with an ovum, which eventually leads to the development of an embryo. Depending on the animal species, the process can occur within the body of the female in internal fertilization, or outside in the case of external fertilization. The fertilized egg cell is known as the zygote. [2] [5]