(a) State ten advantages of artificial insemination in dairy production. (b) Give five signs of lambing in sheep (c) Give five signs of infestation by internal parasites in sheep

      

a) State ten advantages of artificial insemination in dairy production.
b) Give five signs of lambing in sheep
c) Give five signs of infestation by internal parasites in sheep

  

Answers


Dominic
(a)
• One bull may serve many cows thereby increasing usefulness of a bull.
• Prevents spread of breeding diseases rej. Diseases only.
• Possible to make use of a bull that cannot serve naturally due to injuries or too heavy.
• Reduces expenses to a farmer because does not have to own a bull.
• Easy to control inbreeding.
• Semen can be stored for a long time even after death of the bull.
• Easy to control breeding.
• Eliminates dangerous bulls from the farm.
• Useful research tool in studying large number of daughters from a single sire.
• Prevent large bull from injuring small cows
• Reduce expenses of keeping a bull on pasture veterinary bills.

(b) Restlessness
• Enlarged or swollen vulva
• Clear mucus discharge from the vulva
• Slackening of the pelvic muscles or the relaxing of hip muscles
• Full and distended udder
• Thick milky fluid comes out of teats
• Water bag appears and bursts, just before lambing
(c)
• They cause anaemia
• Deprive the host of food
• Cause injury / damage to body tissues

Dominic Onsase answered the question on March 5, 2018 at 14:56


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