Summary: Animal Health, Welfare And Management
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Read the summary and the most important questions on Animal health, welfare and management
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Lactation
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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
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Consequences of lactation for reproductive parameters of sows and cattle
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What happens in course of lactation in pigs?
- LH pool restores
- Antral follicle pool develops
- Pre- ovulatory LH surge mechanism develops
- Endometrium recovers/regenerates
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Why does the oocyte quality decrease?
- LH pool didn't restore due to NEB
- Antral follicle pool did not develop enough
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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
- No bigger follicles --> Not enough oestradiol --> No LH surge --> No ovulation
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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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