What kind of feed do pigs eat?
It is better for pigs to eat compound feed, which is a product that combines a variety of different feeds scientifically and evenly according to the nutritional needs of pigs. The formula feed used by pigs with different production purposes and different physiological states is different.
Formula feed has the following advantages:
The feed prepared by ① according to different production purposes and corresponding feeding standards has the advantages of comprehensive nutrition, high feed conversion rate, low production cost and high economic benefit.
② compound feed uses many kinds of feed and the nutrients complement each other, which can make full use of the existing feed resources, reduce the feeding cost and expand the feed source.
According to the different production purpose, ③ can use all kinds of additives to prevent the deficiency and imbalance of nutrition, control the growth of pathogenic microorganisms, reduce diseases, promote growth, improve feed utilization, improve carcass quality and productivity.
The mixed feed is a feed product which simply mixes several kinds of feed together, it does not take into account the nutritional needs of pigs, the nutrients in the feed can not be balanced supply, resulting in insufficient or waste of nutrition. According to the experiment, compared with feeding pigs with single feed or simple mixed feed, the feed-to-meat ratio of the former is about 3 ∶ 1, while that of the latter is usually 4.0-4.5 ∶ 1, or even higher.
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How old can pig-nosed turtles grow in a year?
Pig-nosed turtle is a kind of turtle, and it is also a kind of popular pet, so find out how big the pig-nosed turtle will grow in the next year. If they are seedlings, if they are fed with a variety of foods, they can grow up three or four times a year. Growing to 6 centimeters in a year is not a problem. It should be able to grow in two years.
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Introduction of African ostrich
The African ostrich belongs to the ostrich family ostrich, which is the largest bird in the world. The adult bird is 2.5 meters tall and the male ostrich weighs up to 150 kilograms. Lives in the desert grasslands and savannas of Africa, because its feathers, skin and flesh are of high economic value.
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