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Summary Animal health, welfare and management

Course
- Animal health, welfare and management
- Zodiac
- 2014 - 2015
- Wageningen University
- MAS
65 Flashcards & Notes
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A snapshot of the summary - Animal health, welfare and management

  • Lactation

  • Why did the milk production of dairy cows increase so much?
    More knowledge of food
  • How does bad fertility effect the health of the cow indirectly?
    Farmers will replace the cow that won't get pregnant.
  • Why is welfare and health of animals important?
    • Economics and sustainability
    • Intrinsic value
    • Anthropomorism
    • Comparitive neurophysiology
  • Consequences of lactation for reproductive parameters of sows and cattle

  • What happens in course of lactation in pigs?
    • LH pool restores
    • Antral follicle pool develops
    • Pre- ovulatory LH surge mechanism develops
    • Endometrium recovers/regenerates
  • Why does the oocyte quality decrease?
    • LH pool didn't restore due to NEB
    • Antral follicle pool did not develop enough 
  • What are the consequences if the antral follicle pool does not develop enough?
    • No bigger follicles --> Not enough oestradiol --> No LH surge --> No ovulation
    • Low quality CL after ovulation --> less pogesterone --> less embryo growth
  • What is the consequence of a decreasing oocyte quality?
    Smaller litters
  • What are NEB associated hormones?
    Insulin, Leptin, IGF-1, (sow) NEFA, urea (cow)
  • What do NEB associated hormones affect of the reproduction system?
    Ovaria and hypothalamus
  • How can you prevent lactational consequences for fertility in sows?
    • Stimulate feed intake
    • Weaning management
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