Artificial insemination
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Artificial insemination (AI) is the technique in which semen with living sperms is collected from the male and deposited into the female genital tract by artifical means rather than by natural mating at proper time and undermost hygienic conditions with the help of instruments. This has been found to result in a normal progeny.
Advantages of Artifical Insemination:
i) In increases the use of superior / outstanding sires. ii) It reduces the number of bulls required for breeding purpose. iii) It reduces the chances of spread of venereal diseases like brucellosis, trichomoniasis. iv) It saves labour and expenditure on maintaining breeding bull on farm. v) It eliminates difficulties in mating of animals having physical disparity due to differences in size and weight. vi) It permits crossbreeding to improve the production performance. vii) It improves the breeding efficiency. Limitations of Artifical Insemination: i) It requires well trained operators and also needs special instruments. ii) It reduces the market value of bulls. iii) It is very costly technique. iv) It is likely to increase incidence of genetic abnormalities. v) It involves very strict hygienic precautions at every step.
Intext Questions
Match the followings: A B 1. Male gamete i) Mating of unrelated animals 2. Female gamete ii) offspring 3. Superior sire iii) Ovum 4. Progeny iv) Sperm 5. Cross-breeding v) Proven bull
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