How to optimise sow retention and longevity Figures - copyright Pig Progress

Figures - copyright Pig Progress
How to optimise sow
retention and longevity
Figure 1 - Comparison of pre-weaning performance in gilt versus sow progeny.
76
Carcass Weight (kg)
74
72
70
68
66
64
Gilt-birth
Gilt-gilt
Gilt-sow
Sow-gilt
Sow-birth Sow-sow
Source: Smits & Collins, 2009.
Figure 2 - Higher pre-weaning mortality associated with gilt litters.
16
Mortality, % of Entered
14
Gilt progeny
Sow progeny
Grower
Finisher
12
10
8
6
4
2
0
Pre-weaning
Source: Smits & Collins, 2009.
Weaner