To determine how much sow milk generally see the following aspects:
First, look at appetite. During lactation, the sows’ appetite is relatively strong. They can eat a large amount of green and juicy feed or full-rate diets. Their daily intake is above 6 kg. In terms of group performance, they are “male and female†and generally speaking, they are Sows have better lactation.
Second, look at the situation. In some sows, the weight gain during pregnancy is not obvious, and it is not obvious that the sows lose their sucking during breastfeeding. Such sows have poor milking performance.
Third, look at the number of lactation and breastfeeding time. Sows with high milking performance had 28 to 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 short.
Fourth, look at the breasts. If the sows’ breasts are plump, the intervals are obvious, the nipples are shiny and elastic, and the pigs rarely “sucking teatsâ€, such sows generally have a large amount of milk, and vice versa. If the entire litter of pigs “sucks a teatâ€, it means that the sow’s milk yield is very low.
Fifth, look back. In general, sows with thick shoulders, thick hips, and glutes, and body fat have a small amount of lactation, while sows with a single back ridge have a greater amount of milk.
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