Important trends & numbers Flashcards
(259 cards)
Piglet: BW at birth
1-2kg
Piglet: Age & BW at the start of weaning
- 28 days
- 7-9kg
Piglet: Age & BW when given starter feed
- 42 days
- 13kg
Piglet: Age & BW when given piglet diet
- 70 days
- 20-25kg
Stages of nutrition for piglets from birth
- Milk
- Creep feed (Milk + Prestarter)
- Weaning → Prestarter
- Starter
- Piglet diet
Piglet: FI (feed intake) required to start a piglet diet
1 - 1.2 kg/day
Piglet: Age & BW when piglets are chosen for their line (fattening/gilts)
- 90 days
- 25-30kg
Piglet: From pre-starter diet → piglet diet, give the trend of:
- CP %
- DE (MJ/kg)
- CP %: ↓
- DE (MJ/kg): →
Piglet: Give the trend of Lysine (%) requirement with BW
As BW ↑ = Lysine requirement ↓
Piglet: How much pre starter is eaten during suckling?
1kg
Piglet: When are antibodies no longer absorbed from the colostrum?
24-35hrs after birth
When is colostrum produced by the sow?
10hrs before birth → 36hrs after farrowing
What is the relationship of P to Ca in sow colostrum
P > Ca (Because piglets require more P)
Piglet: Give the trend of Calcium requirement from the point of birth
From birth → 2w old
Calcium requirement ↑
Piglet: Iron supplement required a few days after birth
200mg IM
Piglet: Age of weaning using the traditional system
8 Weeks
Piglet: Age of weaning using the segregated early weaning
2 weeks
Piglet weaning systems: Which has the highest and lowest solid feed consumption?
- Traditional system (highest)
- Recent system (usual)
- Segregated early weaning (lowest)
Piglet: Describe the trend of digestive enzyme levels from the point of birth
- All increase from birth → weaning
- Weaning: 10 day critical period: Levels drop
- Levels increase again
Piglet: Trend of piglet feeds from BW 3-5kg → 120kg for
- CP %
- DE (MJ/kg)
- CP %: ↓
- DE (MJ/kg): →
Piglet: DM consumption/day
3-4% BW
Feeding & nutrition of replacement gilts starts at…
- 90 days of age
- 25-30kg BW
Age & BW of pigs sold for: Pork production
- 16 Weeks
- 60-75kg
Age & BW of pigs sold for: Bacon
- 22 weeks
- 80-85 kg