Reproduction
History of Reproduction
Here I am giving the list of some historical events related to Reproduction. 1677 – Leeuwenhoek first saw spermatozoa under a microscope. 1780– Spallanzani produced four pups of the dog by injecting solid of semen in the uterus of dog. He was the first who reported the effects of cooling on sperm. 1897 – Heap,…
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डेयरी के असफल होने के कारण
जब तक हम 3 या 4 गाय या भैंस से 20 से 25 लीटर दूध पैदा करते है और पशुओं की देखभाल भी स्वयं करते है अर्थात लेबर पर निर्भर नहीं होते है तब तक डेयरी का व्यवसाय अधिक लाभकारी दिखाई देता है लेकिन जैसे ही हम 100 से 200 लीटर दूध पैदा करने की…
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REPEAT BREEDING IN COW AND BUFFALO
When dairy cow or buffalo after insemination does not fall pregnant or express heat after every 21 days it is repeat breeding. It is a big problem for dairy animals. With advancement of lactation length milk production is reduced and you are losing a calf. The cow should be calving once a year. So, every…
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USE OF SEXED SEMEN IN DAIRY ANIMALS
POSSIBILITY AND PITFALL AND EMERGING REPRODUCTIVE TECHNOLOGIES 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…
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40 लीटर दूध देने वाली गाय
70 के दशक में रेडेन गायों की 20 गाय पंतनगर यूनिवर्सिटी एवं 20 गाय लुधियाना में आई। इनमें से कुछ गाय 40 लीटर से अधिक दूध देती थी। लेकिन कालान्तर में ये गर्मी के कारण एवं उचित वीर्य की सुविधा न होने के कारण ये धीरे- धीरे खत्म हो गई और उस समय यह सोचा…
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All About sexed semen in India
However, due to mechanization of agriculture the cow, are kept for only milk production. The Indian breed like Sahiwal and Giri are milk breed.
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Brazilian Giri
About 100 years back, Indian cow like angole, Kankrage, Giri, where transported from India to Brazil for meat production. This was because these breeds where tick, diseases and heat resistance.
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Girilandio Cow
Girilandio is cross between elite Giri cows and excellent Holstein Friesian cows. So it is having characteristics of Holstein Friesian like docility, easy to manage, ability to sustain cold and early maternity and highest milk production in world.
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