How much feed should the sows feed each day during pregnancy? When do you start feeding? The key to feeding management is “strict feeding during pregnancy and full feeding during lactationâ€. Among them, pregnant sows can strictly control the body condition, prevent dystocia, and can increase the feed intake of lactating sows, so that the sows The basic needs of milk production can be achieved during lactation.
How much Kg/d is fed during the limited feeding period affects the constipation of sows
Because of the lack of exercise, lack of crude fiber intake, long-term use of antibiotics in the feed, and insufficient drinking water, the sows are prone to constipation.
Constipation seems simple, in fact, the sow has entered a pathological state, which will cause the following situations to occur:
01, will cause the pregnant sow to sit restless, depressed, and is not conducive to the absorption of the intestinal tract leading to malnutrition, affecting the growth and development of the fetus.
02. When constipation, the contents of the intestines will be fermented to raise the temperature of the rectum, and the sow's body temperature will rise, which will affect the activity of the enzymes in the body, and further cause anorexia and no food in the sows.
03. The toxin produced by constipation is absorbed by the body, which not only affects the sow itself (the occurrence of inflammation), but also affects the development of the fetus. In severe cases, it may cause non-infectious abortion.
So for the limit feeding, how much Kg/d is the most suitable for us to control? When will the end limit be fed?
Studies have reported that the sows were fed with 2Kg/d and 2.8Kg/d for 20 days on the 26th day of pregnancy, and the results showed that the probability of constipation at 2.8Kg/d per day was significantly lower than that of 2Kg/d sows. And proposed to take 3kg / d has a better effect.
Studies have shown that 100-day feeding of pregnant sows can benefit the development of sow mammary glands, increase the milk yield of sows and the weaning weight of piglets, and believe that the best practice is to start feeding at 95 days of pregnancy, using fat or High energy and high protein lactating sow feed. However, during the period, attention should be paid to the amount of feed to effectively prevent dystocia. The feed rate of primiparous pigs should be controlled at 3Kg/day; the sows should not be lower than 3.5Kg/d.
Reminder: Strictly limit feeding within one week after breeding, because 2~3 days after breeding is the key period for fertilized eggs to be implanted into the uterus. If the feeding is too high, the embryo will die. If the sow is thin, it is appropriate in the 7-37 days of pregnancy. Adjust (adjust 0.6~0.9Kg/d) to adjust the sow's body condition.
Note:
01. The above experimental data are based on the normal body condition of the sow and the health of the body.
02. Sows should pay attention to irreversible damage caused by improper feeding.
03. Most pig farms in Europe and America use limited feeding until 95~100 days before entering the feeding stage of late pregnancy.
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