Crude feed usually refers to plant feeds with high crude fiber content and low nutritional value, such as crop straw, leaves, hay, shell awn, gluten, and pods. These feeds are coarse, bulky, poorly palatable, and difficult to digest, but generally contain more minerals and have a good effect on promoting bone development. It is an effective way to promote the food industry and increase the efficiency of the aquaculture industry by properly processing and modulating the roughage and feeding it to livestock and poultry.
Long grass short feeding saying: "Inch grass three knives, not expected to be on the raft." Forage grass é“¡ short feeding, generally can save about 20% of feed, feed utilization increased by about 15%, many in the whole feeding Stems with less or difficult to eat livestock can be effectively used and the digestibility is improved. Generally, the stalks of the cows can be cut into 4-6 cm long sections, and the sheep should be shorter.
The coarse grass feeds the crops or the straws mechanically, which is convenient for the feeding and digestion of the livestock, and is beneficial to the mixing of the digestive juice and the grasshoppers, thereby reducing the energy consumption in the gastrointestinal digestion process and improving the utilization rate of the feed.
Hard grass is softly fed as a forage grass, stems and leaves, and so on. After salinization, saccharification, ammoniation or microbial fermentation treatment, it can greatly improve its palatability and facilitate digestion and absorption.
The coarse and fine mix is ​​first fed to the rough forage, the livestock is hungry, the coarse feed can be eaten more, and then the concentrate or high quality forage is fed according to its nutritional needs. In this way, not only can the forage be saved, but also the characteristics of the ruminant livestock that can use the roughage can be fully utilized.
The coarse and coarse crude feeds generally contain less vitamins. Feeding the livestock with the roughage should pay attention to properly feeding some green and succulent feed and germinated feed.
Feeding livestock and poultry with roughage and coarse and coarse feed should pay attention to rational use and diversification, and strive to diversify. Do not feed a roughage for a long time. Otherwise, it will not only meet the nutritional needs of livestock and poultry, but also cause disease. For example, long-term feeding of livestock with wheat straw can cause ruminal retardation in cattle and sheep and dyspepsia in equine animals.
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