Sow milking force is the most intuitive performance of the breeding performance of the breeding pig. It is very important for the production efficiency of the pig farm. The following points for identification are used for reference by farmers:
appetite. During lactation, the sows’ appetite is relatively strong and they can eat a lot of green and juicy feed or full-rate diets. Their daily food intake is more than 6 kilograms, and the group’s performance is “maternal, thin and strong.†Sows have better lactation.
Lyricism. Some sows do not gain weight during pregnancy and they do not lose their weight during breastfeeding. Such sows do not have good lactation.
Number of lactation and breastfeeding time. Sows with high milking power had 28-32 milkings per day and night, and each time the milking time was more than 20 seconds. Sows with low milking power had less milking times, and the milking time was also short.
breast. If the sows’ breasts are full, the intervals are obvious, and the nipples are shiny and elastic, the piglets rarely “sucking teatsâ€. Such sows generally have high lactation; if the front and rear nipples have a “puzzled teat†phenomenon, the common piglets have teats in their mouths. Or, the piglets squat around looking for teats from time to time, which means that the sow's lactation levels have begun to decrease. If the whole litter of piglets are “picked upâ€, it means that the sow’s milk production is very low.
Back. In general, sows with thick shoulders, thick hips, and obese body fat are less likely to have lactation, while sows with “single back ridges†have more milk production.
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