Question group A: Practical feeding of different animal species Flashcards
1
Q
In general about pigs (5)
A
- Simple stomach
- Can convert both plants and animal products to digestible nutrients
- Similar digestive system to Hu and monkeys
- Digestive tract is 14x the body length and has capacity of 25L
- Stomach capacity is 5L
2
Q
Repro cycle: 9 points to know
A
- Puberty
- Estrud length
- Number of eggs ovulated per estrus
- Gestation length
- Lactation length
- 1st estrus post weaning
- Avg number of litters per year
- Weaning age
- Dry matter consumption
3
Q
Puberty
A
6-8 mnths
4
Q
Estrus length
A
19-21 days
5
Q
Number of eggs ovulated per estrus
A
10-20
6
Q
Gestation length
A
3 mnths 3 wks and 3 days (112-115 days)
7
Q
Length of lactation
A
21-42 days
8
Q
1st estrus post weaning
A
3-7 days
9
Q
Avg numerb of litters a year
A
1.7- 2.5
10
Q
Weaning age:
A
3-4 wks
11
Q
Dry matter consumption
A
2-3% of BW
12
Q
Average body weights (5)
A
- At birth: 1.7 kg
- 21 days: 5.2 kg
- 28 days: 7 kg
- 70-90 days: 20-30 kg
- 180-210 days: 95-110 kg
13
Q
Digestion in the stomach
A
At birth have achlorhydria- no pepsin or HCl, therefore rennin is needed for the first 14 days
HCl and pepsin levels will increase afterwards
14
Q
A
