In the low temperature season, proper feeding of some cold-resistant feed can strengthen the body's metabolism, enhance physical fitness, improve disease resistance, relieve cold stress, and promote the growth and development of livestock and poultry. Commonly used cold-resistant feeds are:
1. Distillers grains include white distiller's grains and beer grains. In addition to rich protein and minerals, they also contain a certain amount of ethanol. They are hot, usually called "fire feed", which improves digestion and strengthens blood circulation. , expand the surface of the blood vessels, produce a warm feeling and so on. Winter application, anti-cold stress effect is obvious. The distiller's grains are suitable for feeding rabbits, pigs and cattle, and are especially suitable for beef cattle fattening. Beer lees are suitable for feeding chickens, ducks, pigs and cattle. Both of them are not suitable for pregnant fetuses and males because of their adverse effects on fetal and male functions.
2. The root bark of root bark vegetables contains minerals that can produce cold-preventing effects. When used as feed, it can enhance the cold resistance of cultured animals; vegetable roots such as celery root, alfalfa root, spinach root, cabbage root, and carrot Roots such as potatoes and sweet potatoes can be used as a cold feed. When using this type of feed, be sure to keep its outer skin.
3. Grain soy is warm and sweet, and it is a warm feed. It contains 37.9% crude protein, which is not only an excellent vegetable protein feed, but also a cold and warm feed. Black beans contain 36.68% crude protein, which is mild and sweet, and is extremely hot. It is a good cold-resistant warm feed. Barley is warm and salty, it is a warm feed, and the cooked effect is good. In addition, rice and straw are also warm feed.
4. Meat-like mutton and dog meat have high calorific value and are the preferred warm and cold-resistant feed for winter carnivorous and omnivorous livestock. Animal liver contains more iron (the animal is particularly afraid of cold when it is iron-deficient), and it is easy to absorb. In the winter, the animals are properly fed with some animal liver, which can supplement iron and keep cold. Freshwater prawn is warm and sweet, and it is a high-calorie feed. It has the effect of tonifying the kidney and strengthening the yang and strengthening the male function. It is suitable for animals with body temperature and cold in winter; the salt-free fresh shrimp can be directly applied, and the salted dried shrimp needs water to be immersed in salt. application.
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