How to calculate the structure of pigs on the pig farm?
The method for calculating pig structure on pigs:
1. Number of pregnant sows = Weekly sows 15 weeks
2. Number of laboring sows = Weekly number of sows = Unit number of breeding pens
3. Number of nursing sows = Weekly sows 3 weeks
4. Number of weaned weaned sows = number of weaned sows + unexpired maternity sows and number of pregnant sows (1â„2 of the number of weaned sows)
5. Number of gilts = (30% adult sows 12 months) 4 months
6. Number of adult boars = Weekly sows 22.5 (number of boars used per week) + 1 to 2 (Note: Calculate the number of females per estrus by 2 times per estrus)
7. Number of piglets = Weekly number of abortions 4 weeks 10 heads/child
8. Number of nursery pigs = Weekly weaning count 4 weeks
9. Number of medium and large pigs = Weekly conservation number of survival 16 weeks
10. Number of hogs listed in the year = Weekly number of abortions 52 weeks 9.1 heads/fetus
Wantou field standard inventory
Number of pregnant sows = 360 heads
Labor sows = 20 heads
Nursing sows = 60 heads
Empty Weaned Sows = 30 Heads
Gilt number = 48 heads
Adult boar = 20 heads
Reserve boar number = 6 heads
Piglets = 800 heads
Nursery pig = 760
Medium pig=2949
Total: 5053 (of which the basic sow is 470)
Number of listed hogs = 9464 to 10,000 heads
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