Case 2A - The birth progress

7 important questions on Case 2A - The birth progress

What is the birth process called and how does it start?

The birth process is called parturition and starts under influence of corticosteriods from the fetal adrenal gland, which is related to percieved stress at the end of pregnancy, related with reduced space and nutrition.

What problems during birth can arise in the case of the cow and ewe?

  • Baby is in the wrong position
  • The birthweight is too high in relation to pelvic dimension

What brith problem is common in meat breeds?

Too high birthweight in relation to pelvic dimension.
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How can a high birthweight be prevented in dairy cows?

By inseminating the cow with semen from a bull that gives calves with a lower birthweight.

What is the optimal position of the foetus of during birth and why?

  • cows & ewes: Head first, with the head lying on the forwardly streched front legs. Other position can cause a difficult birth process, with consequences for calf/lamb vitality and survival.
  • pig: head or tail first

How is the gestation period determined?

Since the foetus initiates the brith process, the gestation period is partly determined by the fater through the genotype.

How long is the gestation period for {animal}

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