Prolapse during production is usually related to poor skeleton development during rearing, even if body weight during production is at target. In future, try to achieve upper limit of target weight from 4 to 8 weeks of age. The following tips may help to reduce losses in this flock.
1. Do not exceed 16 hours light duration (better 15 hours). Also reduce light intensity (maximum 40 lux in open house, 20-30 lux in environment control house).
2. Adjust ME in feed to lower limit of recommendations.
3. Supplement Vitamin C @ 1 g/l drinking water in morning hours.
Steps 1 and 2 may slightly decrease egg produciton and egg size BUT you have to opt mortality or reduced production. Adopt these measures until 28 weeks of age. Thereafter resume normal practices.
Source : Dr.Anjum
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