<%@LANGUAGE="JavaScript1.3"%> Swine Production Management - Records - Suggested Farm Targets  
 

Suggested Farm Targets

The traditional approach

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Pig Farm Targets per 100 Sows

 

Target

Interference

Reproduction

No of gilts available for service

8

<5

Age at first service

220 days

>240 : <200 days

No of sows productive

100

<86

Weaning to service interval

5 days

> 6.5 days

Repeat matings Regular returns (18-24 days) %

8

>9

Irregular returns (other times) %

3

> 4

Empty days per sow

12

> 14

Abortions %

< 1

> 1.5

Sows NIP %

1

>2

Culled pregnant %

1

>2

Deaths pregnant %

1

>2

Farrowing rate

87

< 82

Vaginal discharge - more than 7 days post-service %

1

>1.5

Sows culled per year %

38

>42

Sow parity at culling

6-7

>8

Sow deaths per year %

<5

>5

Number of boars no AI

5

<5  > 6

Number of boars AI + Natural

3

<3  >4

Matings per week per boar

4

<2 or >6

Farrowing house performance

Total born/sow

12.2

<11.5

Pigs born alive/sow

11.2

<10.7

Stillborn rate %

< 7

>10

Piglets mummified %

<1.5

>2.5

Litter scatter (sows with < 7 piglets)

<15%

>15%

Preweaning losses (28 days)

10

<14

Piglets weaned per litter

10

<9.8

Litters per sow per year

2.3

<2.2

Piglets weaned per sow per year

23.

<22

Feeding herd performance

Post-weaning losses (7 to 95 kg)

5

>7

Pigs sold per sow per year

22

<20

Feed parameters

Sow feed in tonnes per year

1.1

> 1.2

Total tonnes farm feed per sow

6.5

<6 >7

Food conversion 4 to 100 kg

2.4

>2.6

Daily gain 7 - 110 kg

644g/day

<585

Days to market 90 kg

160

180+

Killing Out %

75%

<71%

  •  A 100 sow unit producing 22 pigs per sow per year sold at 70 kg dead weight produces enough pig meat to feed 6,500 people per year in the UK (consumption 24.5 kg person/year MLC 1996)