Biogas slurry contains many substances that are beneficial to pig growth, such as amino acids, zinc, iron, copper, and vitamin C. It is a very good feed additive. The appropriate addition of biogas slurry to conventional feeds can enhance pig immunity to some diseases, with an average weight gain of 15% or more.
Use biogas slurry to feed pigs to grasp the "four stages":
One is the piglet stage (with a body weight of 25 kg or less). Following conventional methods of epidemic prevention, deworming, stomach building, and castration (ie, castration), a small amount of biogas slurry is added to the feed to cultivate the palatability of the piglets, approximately 10 days. After that, it can be fed 4 times a day, 0.5 kg each time.
The second is the shelf pig stage (body weight 25 kg to 50 kg). At this time, the skeletal development of pigs is rapid, and the amount of biogas slurry must be increased accordingly. Generally 3 to 4 times a day, each 0.75 kg to 1.5 kg, such as adding a small amount of bone in the feed, fish meal, more obvious weight gain.
The third is the fattening stage (weight 50 kg to 100 kg). During this period, pigs develop fully. The amount of biogas slurry should be increased to 1 kg to 1.5 kg each time, 3 times a day.
The fourth is when the pig weighs more than 100 kilograms, the weight gain rate will decrease. This stage can be added at a rate of 1.5 kg to 2 kg of biogas slurry each time, three times a day.
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