|
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% |