Wanting beef cattle fast and long meat green feed is indispensable, green feed nutritive value and high protein content, basically can meet the protein demand of beef cattle, while green feed has good palatability, balanced nutrition, low cost, wide source, easy processing And so on, it is a very naive roughage. The green feed has higher water content, such as the water content of aquatic plants is more than 90%. Feeding the beef cattle with good palatability and fresh and juicy green feed in the hot summer can play a role in heatstroke prevention and cooling. Reasonable feeding of green feed can improve the utilization of the diet and is an indispensable high-quality feed for beef cattle.
First, legume feed
At present, the most commonly used leguminous forages are alfalfa and clover. Among them, alfalfa is the largest area for forage cultivation, high nutritional value, good quality, high yield, good palatability, rich in protein, Vitamins and other nutrients, but beef cattle Overeating can easily cause swelling.
Second, grass green feed
Grass green feed includes a variety of green pastures such as wild pastures, crops, and artificial grass. Among them, blue corn is the most commonly used forage in Heilongjiang Province. Blue corn can be harvested as a green feed at the heading stage, milk stage, wax stage and maturity stage and can be made into silage.
Third, leaf and root green feed of leafy vegetables
Leafy feed can be either artificially cultivated or a by-product of vegetables and cash crops. The most common green leafy vegetables are radish leaves, cabbage leaves, leaf beets and the like. The main green feed in the roots is carrots, radishes, beets and so on. The feed has good palatability, high water content, low dry matter content, insufficient energy but rich mineral content, and the feed should be kept fresh to avoid nitrite poisoning.
Fourth, other types of green feed
The leaves of the tree can also be used as feed to feed the cattle, and the young leaves of the trees such as caragana, willow, poplar and eucalyptus are rich in protein, crude fat and carotene. It can improve the appetite of beef cattle and increase feed intake. Water hyacinth is common in aquatic plants. The high moisture and soft texture of water hyacinth has lower nutrient content than other green feeds, but the growth rate of water hyacinth is too fast and it is not recommended. Other vines can also be used as green feeds, and their nutritional characteristics are similar to leafy vegetables such as pumpkin vines and potato vines.
Five, green feed feeding matters needing attention
1. The fresh green feed has high water content and is not easy to store. If the storage time is too long, it will easily rot. If it is a green feed for leafy vegetables, it will easily produce nitrite. Feeding cattle after harvest must be kept fresh and clean, otherwise it will affect palatability and cause poisoning in severe cases. When harvesting green feed, the optimal harvest period can be selected according to the growth of the plant to maintain its highest nutritional value and yield. Generally grass green feed should be harvested at the beginning of the ear when feeding the meat. Leguminous forages are harvested at the early flowering stage and leafy vegetables are harvested in leaf clusters.
2. Although green feed is a good feed for beef cattle, it does not provide all nutrients to beef cattle completely, and the nutrition required for different physiological stages of beef cattle is different, so green feed must be fed together with other feeds to achieve the best results. Green feed is usually not used as a main ingredient when feeding beef cattle, but as a supplementary feed, attention should be paid to food intake. Some green feeds have good palatability and low cost, but excessive feeding may be harmful to beef cattle. Because the water content of green feed is high, beef cattle that are too small are prone to satiety, resulting in insufficient feed intake affecting growth and weight gain. In addition, some grasses also contain some toxic ingredients, and farmers must pay attention to feeding.
3, in the consumption of green feed should pay attention to prevent poisoning, leafy nitrate containing nitrate will be converted to nitrite in improper storage, beef cattle will eat a large number of poisoning reactions, which will lead to death. Therefore, it is necessary to preserve the leafy feed and keep it ventilated to prevent decay. Some plants themselves contain toxins such as oleander, Tondell and other weeds, so check carefully in the feed to prevent eating poisonous weeds. In addition, care should be taken to prevent the occurrence of pesticide poisoning. The first spray of vegetables, crops or nearby weeds and vegetables cannot be used as feed, waiting for the next rain or harvesting one month later to prevent beef cattle poisoning.
Green feed cannot be fed as a single feed because green feed contains too much water and dry matter that does not meet the needs of long meat and fat deposits during the late fattening period. Green feed is an indispensable high-quality feed for beef cattle. Therefore, farmers should feed green feed with appropriate amount of dried grass, grain feed and protein feed to better fattening.
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