Pigs

Question 1

Pigs: Puberty

Answer 1

6-8 months

105-110Kg

Question 2

Pig Estrus length

Answer 2

19-21 days

Question 3

Pig: Gestation length

Answer 3

112-115 days

Question 4

Pig: 1st estrus post weaning

Answer 4

3-7 days

Question 5

Pig: Avg liter size

Answer 5

1.7-2.5

Question 6

Pig: Weaning Age

Answer 6

21-28 days

Question 7

Pig: Weaning weight

Answer 7

4.5-9kg

Question 8

Pig: Nursery Weight:

Answer 8

7-30Kg

Question 9

Pig: Growing weight

Answer 9

30-60kg

Question 10

Pig: Finishing weight

Answer 10

50-150Kg

Question 11

Pig: Slaughter weight

Answer 11

90-105Kg

Question 12

Pig: Avg feed efficiency

Answer 12

3.24Kg

Question 13

Pig: DM consumed per year

Answer 13

3-4% of BW

Question 14

Replacement Gilt

1st preselection

Answer 14

90 days

25-30Kg

Question 15

Replacement Gilt

2nd preselection

Answer 15

140 days

80-90kg

Question 16

Pig: Dental formulation

Answer 16

3 1 4 3/ 3 1 4 3

total: 44

Question 17

Pig: Intestinal tract

Answer 17

14 X Body length

25-27 Liters

Question 18

Pig: Salivary glands

Answer 18

Mandibular
Parotid
Sublingual

Question 19

Pig: Stomach

4 parts

Answer 19

Par oesophagus
Cardia galndular area
oxyntic glandualr area
Pyloric glandular area

Question 20

pH and new borne piglets

Answer 20

HCl low in new borne
lactobacilli: Production of lactic acid
Lactic Acid–> lowers pH –> decr. HCl
Introduce solid food: Incr. HCl, decr. Lactic acid

Question 21

HCl

Answer 21

0-10 days: Achlorohdria
2-5 weeks: Hypochlorohydria
5-6 weeks: Chlorohydria

Question 22

Gastric ulcers: Cause

Answer 22

small feed particles
Low fibre diet
High energy diet
High level of wheat (>55%)
Def: Vit E and Se
Stress

Question 23

Brunners gland

Answer 23

Mucous rick alkaline secretion

Question 24

Enzymes

Answer 24

At birth: High lactase
Week 2-3: Lactase decr.
Incr. Amylase, lipase, protease, maltase

Question 25

New borne weight

Answer 25

1-2kg

Question 26

Meal transitions

Answer 26

``` Wk 1-4: Sows milk Wk 4-5: prestarter + milk replacer Wk 5-6: transition Wk 6: Starter Wk 10-11: transition Wk 11: Grower ```

Question 27

Energy

Answer 27

DE: 14.2 Mj/kg

Question 28

Protein

Answer 28

26 ---> 13% (Avg 21%)

Question 29

Amino acids

Answer 29

Lysine: 100% Met + Cys: 60% Thronion: 65% Trytophan: 17%

Question 30

Avg daily weight gain in 1st week:

Answer 30

0g/day: 178 days until market 113g/day: 171 days until market > 113 g/day: 163 days until market

Question 31

Feeding piglets | Day 0 --> 28

Answer 31

BW 1.3Kg 0-10days days sows milk 11-28 days Sows milk+ prestarter ad lib

Question 32

Feeding piglets | Day 28-70

Answer 32

Day 28: BW 7-9 Kg 28-38: prestarter (4% of BW) 39-42: transition 43-70 (20-25Kg): Starter (~15kg per piglet)

Question 33

Day 70-90

Answer 33

Selection: Fattener or breeder BW 30-35Kg Fi: 1-1.2Kg/day/piglet Food: Grower/piglet diet

Question 34

CP %

Answer 34

Prestarter: 21% Starter: 21% Piglet diet/grower: 18%

Question 35

DE%

Answer 35

All 14.2

Question 36

Iron

Answer 36

150-200mg Iron dextran IM (Age: 3-5 days Or Orally, Days: 7, 10, 15 Iron in milk: Limited: 1-2mg/L

Question 37

Temp

Answer 37

Peak intake and growth at 15-20oC

Question 38

Fatteners: | Avg weight gain

Answer 38

800g/day

Question 39

Fattener: | Fi

Answer 39

Day: 90 ` 110 140 180 BW: 30-35 50 80 120 Fi: 1 2 2.5 3-3.5

Question 40

CP%

Answer 40

30-50KG: 18% 50-80Kg: 15.5% 80-120 Kg: 13%

Question 41

Lysine

Answer 41

30-50 Kg: 0.95 50-80Kg: 0.75 80-120Kg: 0.6

Question 42

Back fat (mm)

Answer 42

(16) 18-20 1st service: 16-18mm Farrowing: 18-20mm Weaning: 15-16mm

Question 43

1st mating

Answer 43

2nd or 3rd estrus > 130 Kg Back fat > 16mm

Question 44

Increase BW by paturation

Answer 44

1st parity: incr. by 45-50kg 2-5th incr. by 35-40kg 6th: incr. by 30kg

Question 45

Weight at mating

Answer 45

120-130kg

Question 46

Weight at parturition

Answer 46

170-180Kg

Question 47

Feeding of pregnant sow (114days)

Answer 47

days 0-3: 1.8-2.3kg/day/sow Days 4-30: 1.8-2.3kg or 3kg (depending on condition) Day 31-90: 1.8-2.3kg day 91-113: 2.7-3.6kg (foetal development) day 114: 1.8kg/day/sow

Question 48

Lactating diet

Answer 48

DE: 14.2 CP: 18-19 Lysine: 1%

Question 49

Pregnant Diet

Answer 49

DE: 13-13.5 CP: 13.5% Lys: 0.65