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Flashcards in Under-performance in Pigs Deck (23):
1

How is productivity in pigs measured?

Pigs/sow/year with a target of 26

2

What measurements are included in pigs/sow/year?

Litter size, number of litters and pre-weaning mortality

3

What other factor is important in productivity of a pig unit?

All farrowing crate are full as empty farrowing crate will follow through until finishing

4

What is the Two Tonnes Sow?

The aim to achieve industry average of 2,000kg carcass weight/sow/year to match other EU countries

5

How is growth of pigs measured?

Killing out percentage = % of body weight that goes for meat
Days to slaughter/average daily gain/FCE
Carcass quality

6

How can killing out weight affect productivity?

Butchering cost is the same for all carcasses so a lighter pig has a smaller margin

7

When are pigs killed for meat in the UK?

90-100 days
Days to slaughter roughly 6 months

8

What affects days to slaughter?

Food conversion vs cost of feed
Sex

9

How can you ensure optimum food conversion ratio (FCR)?

Record FCR at all stages of production
Make appropriate investment in new buildings, feed systems and washing systems
Know output of system in kg of pig and work to optimum
Make sure that pigs have access to enough clean drinking water

10

What things should be looked at when examining the water system?

Flow rate, height, rate of delivery, cleanliness of drinkers/bowls

11

What is phase feeding?

Match requirements to stage of growth with diet supporting lean growth at least cost

12

How is lean growth achieved?

Amount of protein in relation to energy in the diet should be decreased with increasing weight

13

What is the importance of efficient feeding?

Protein under supply will fail to exploit lean growth
Protein over supply will reduce growth and increase nitrogen excretion
Pork tenderness is improved by increasing growth

14

How much could phase feeding save?

Between £0.54 and £1.54 per pig depending on cost of protein rich food and slaughter weight

15

What percentage of costs of production does feed costs account for?

55%

16

What is the target for pre-weaning mortality?

5-8%, interfere at 10%

17

What is the target for post-weaning mortality?

3-5%

18

What is the target for adult mortality?

<2%

19

What factors affect carcass quality?

More uniformity, fat depth, muscle mass, lean weight

20

What is the culling rate in the UK?

40-50%

21

What is the culling rate in the USA?

60-70%

22

What factor can increase a sows milk yield?

Adequate water supply

23

What recording systems are used for pig production?

Feed/weight
Output - weight/days to slaughter
Abattoir payments
Herd monitoring/recording programme (BPHS)