Use of Sexed Semen in Dairy Animals
Introduction The sperm concentration in cow semen is 200 to 2000 million sperms per ml and bull gives 5 to 10 ml of semen and for artificial insemination we need 15 million spermatozoa. So from one ejaculate we can inseminate many cows. The semen can be diluted in semen diluter and shipped at 4°C. At…
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Tools for Treating Repeat Breeding
MOET technology (Multiple Ovulation Embryo Transfer Technology) IVF (In-vitro Fertilization) Cloning Introduction In pig and dog there is a multiple ovulation and number of piglet and pups are too many. Whereas in man and cow there is a single ovulation. Only one ovulating cell ovulates however by injecting increasing quantity of follicular stimulating hormone available…
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Repeat Breeding and Pandemic
Introduction Till 70’s the milk has not been sold from villages, but now due to huge processing plants, milk is being sold. The milk production has become a big enterprise. To increase the milk production exotic breeds like Jersey and Holstein are being maintained. The sexed semen of these two breeds has meant fast replacement…
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Calf Feeding: What is Balanced Feed
Introduction Forovercoming Repeat Breeding the calf should be reared according to the standards. The standard is that Holstein cow should be 100kg in 100 days. For this in brief the calf should be given colostrum just after birth, then it should be given milk amounting to 1/10th of its body weight. After 10 days, the…
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Reproductive Hormones
Introduction The reproductive hormones are produced from the pituitary gland at the base of hypothalamus once the heifer is mature at the age of 15-16 months the hypothalamus succeeds releasing factor, which is known as GnRH, of which synthetic version is available in the market by the name of Receptal. This one releasing factor releases…
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Artificial Insemination: Points to Remember
The high-quality proven semen should be used, and semen should be deposited in the mid-cervical region for the proper capacitation of the sperm. The correct method of AI is given in the figure and the description is available on YouTube. (See the figure below). Myth Related to AI (Artificial Insemination) Farmers generally ask, how long…
read moreDifference between Estrus cycle and Menstrual Cycle
Difference between Estrus cycle and Menstrual Cycle Estrus cycle is of 21 days in Horse, Goat, Cow and Buffalo, whereas in Sheep it is of 16 days and in Dogs it is 150 to 200 days. The word estrus has been derived from the roman word Oestrus which means there is a mad desire for…
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Pregnancy Diagnosis in Cattle
It is very important to diagnose the pregnancy status of your animals at 35 to 40 days of insemination because 30% of the pregnant animals come in heat so if pregnancy is confirmed at 35 days then there is no need to go for insemination. The false expression of heat is also a cause of…
read moreRepeat Breeding In Cows
Introduction to Repeat Breeding The problem of repeat breeding is a severe problem of dairy. Repeat breeding means after several artificial inseminations the cow does not fall pregnant. As such its milk production reduced or it may cease. The reduced milk production by a cow is a loss to the dairy farmer and the cow…
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Causes of Repeat Breeding in Indigenous Cow
Indigenous cow-like, Giri, cow, Tharparker, and Kankrej are from the desert area of Rajasthan and Gujarat.
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