Pig nutrition

16 important questions on Pig nutrition

What are we aiming for in feeding sows during lactation?

  1. Smooth transition form gestation to lactation
  2. milk production
  3. limited use of reserves

At what body weight are piglets weaned?

Between 8 and 25 kg LBW

What body weights are the growing-finishing phase of pigs?

25-120 kg LBW
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What happens in pigs when feed intake drops?

Gut morphology drops and intestinal functioning reduces

What changes for recently weaned piglets?

  1. Loss of maternal immunity
  2. new environment
  3. liquid to solid diet
  4. fat rich milk to starch rich dry diet

What is mucosal permeability?

Openings in the 1st defence get wider, so nutrients can enter more easily, but pathogens can enter as well

What is the importance of early feed intake for piglets?

Prevention of mucosal permeability
stress prevention, this causes villus atrophy
well functioning of digestion

What is creep feed?

Additional solid feed intake for pre-weaned piglets

Why feeding milk replacer after weaning?

Animals grow more and higher energy intake

Why do you want 'eaters' instead of non eaters  before weaning?

Eaters have higher gains than non eaters

What is safe feed?

Feed with high digestibility of protein and energy, but with low crude protein

What is the efficiency of protein depostion in pigs?

70%

Why is during growth, the lysine requirement per g/EW in feed lower for pigs?

Because when growing, there is more feed intake, thus the amount of g/EW of lysine can be lower in the feed, because more feed in consumed

What factors influence protein and fat deposition in pigs?

  1. Body weight
  2. Birth weight
  3. Gender
  4. Genotype
  5. housing
  6. health status
  7. feeding management

What feeding strategy makes performance better in pigs?

Weekly change of diet, more growth and lower feed convertion ratio

What are advantages of feeding liquid co-products from human food, combined with dry feed?

All required nutrients and reduced costs

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