Pig

Question 1

Puberty

Answer 1

6-8 months

Question 2

Estrus lenght

Answer 2

19-21 ays

Question 3

Eggs ovulated per cycle

Answer 3

10-20

Question 4

Gestation length

Answer 4

3m,3w,3d

Question 5

Lactation length

Answer 5

21-42 days

Question 6

First estrus post weaning

Answer 6

3-7 days

Question 7

Average litters per year

Answer 7

1,7-2,5

Question 8

weaning age

Answer 8

3-4 weeks

Question 9

Weaning weight

Answer 9

4,5-9 kg

Question 10

nursery pig weight

Answer 10

(4-12 weeks) 7-30 kg

Question 11

Average feed efficacy

Answer 11

3,24kg

Question 12

DMi

Answer 12

3-4% BW

Question 13

Weight:

• Newborn
• 28d
• 90d
• 110-180d

Answer 13

• 1-2kg
• 7-9kg
• 25-30kg
• 60-110kg

Question 14

dental formula

Answer 14

3143

3143

Question 15

feeding 0-90 days

Answer 15

0-3d- colostrum
4-10d- milk
10-28d (weaning): milk + prestarter (1kg/piglet)
28-42: prestarter (5kg/pig)
42-70: starter (15kg/pig)
70-90: piglet diet 1-1,2 kg/day/pig

Question 16

Lysine %

Answer 16

3-5kg: 1,5%
5-10kg: 1,35%
10-20kg: 1,15%
20-50kg: 0,95%
50-80kg: 0,75%
80-120kg: 0,60%

Question 17

Other Aa in relation to lysine (%)

Answer 17

Methionine: 60
Threonine: 65
Tryptophane: 17

Question 18

CP+ DE in prestarter, starter, piglet diet

Answer 18

Prestarter: 24%CP, 14MJ/kg DE (13-14% fat)
Starter: 21% CP, 14MJ/kg DE
Piglet: 18%CP, 14MJ/kg DE

Question 19

Weight 0-90 days

Answer 19

0d: 1-2kg
28d: -9kg
42d: 13kg
70d: 20-25kg
90d: 30-35kg

Question 20

Goal of fattening

Answer 20

pork: 16w 60-75kg
Bacon: 22w 80-85kg
Heavy hog: 26w 90-120kg

Question 21

Energy req. fattening pig

Answer 21

0,4777MJ DExW^0,75
inbuilding of 1kg protein: 45,7
Inbuilding of 1kg fat: 55,7
From CH, fats and oils (we try to avoid prot.)

Question 22

Fat req in fattenig pig

Answer 22

at least 3%, but not to much either
Linoleic acid:
-10-30kg: 1,5%
-30-90kg: 0,70%

Question 23

Grower + finisher diet CP(%), MJ/Kg

Answer 23

GI (90-110d): 18CP, 14MJ/kg
GII(111-140d): 16CP, 14MJ/kg
GIII (141-160d): 14CP, 14MJ/kg
F (161-180d): 14CP, 4MJ/kg

Question 24

Replacement breeding gilt 90d- insemiation: Weight, feed intake,

Answer 24

90d (1st preselection): 30-35kg eat 1,5kg/day
140d (2nd preselection): 80-90kg eat 1,8-2,3kg/day
160-179d: 90-100kg (1st heat) eat 1,8-2,3 kg/day
10-14days before 2nd heat: flushing 3,5kg/day
210d: Insemination 120-130kg (need at least 16mm backfat)

Question 25

CP+ DE 90d- insemination

Answer 25

does not change: CP 14,5%, DE 14MJ/kg

Question 26

Replacement breeding gilt Feeding phases

Answer 26

1st: 25-60kg: Backfat >7mm- ad libitum
2nd: 60-125kg: Backfat: 7-16mm: 2,5-3,5kg
3rd: 125-140kg: Backfat: 16-18mm: ad libitum (flushing)
4th: early gestation: backfat 18-20mm: 2kg

Question 27

Gestaion feeding

Answer 27

0-3 days: 1,8-2,3kg/day
4-30 days: if backfat <18mm increase to 3kg, return to normal when backfat reach 18mm
31-90d: 1,8-2,3kg
91-112d: 2,7-3,6kg
112-113d: 2,5-3kg + laxative to prevent obstipation
114d: 1-1,8kg liquid feed

Question 28

Lactating sows feeding

Answer 28

1d: 2kg
1-7d: increase w 0,5kg/day
7-28d: ad libitum (7kg)
28d: weaning 3,5 kg