In autumn and winter season, there are abundant forage resources such as crop stalks. If you buy a few lean cows at the market, after two or three months of intensive feeding, you will be able to make a profit when the market price is high before and after the Spring Festival. Do not believe try it. First, choose the requirements of cattle cattle fattening shelf cattle. Shelf cattle usually refer to bulls or yaks weighing 250-350 kg or more and about 1.5 years old. They are fast and easy to fatten and can be used to produce high-grade beef. But not what kind of skinny cow can fatten. The fattenable cows are preferably shelf cows, ie cows with poor body shape, large shelves and poor broiler due to poor feeding and management, single feed, lack of nutrition, and lack of insecticidal stomach and stomach. Those who have lost their ability to exercise, cattle that are eliminated, low-yielding cows, and old and frail cows can receive a good fattening effect through proper conditioning. Avoid introducing diseased cows from infected areas. (1) Variety: The rack cattle used for fattening are preferably crossbred cattle, which is convenient for strength fattening and production of high-grade beef. (2) Age: It should be 1 to 1.5 years old and has not reached the year of cattle. (3) Sex: Not castrated bull or yak. In the past, yak was generally considered to have the best fattening effect. However, after research, it was found that small calves (below 24 months of age) had the best fattening effect, fast weight gain, high lean meat percentage, and no influence on meat quality. The bull is better than the yak and the yak is better than the cow. (4) Weight: Shelf cattle weighing 250-350 kilograms are well-growth and development, easy to adopt a unified feeding method, and easy to manage. When the weight reaches 500 to 550 kg, the weight gain rate will decrease. Second, the preparatory work before the fattening should do a good job related preparations. Including the cattle to adapt to the environment, feed, castration of cattle, deworming, stomach, etc., takes about 7 to 15 days. The fattening cattle must have about 7 days after purchase to adapt to the environment and feed. The cattle can enter the bar stable for 2 to 3 days before they can be castrated. Most of them use the drug castration method, the castration forceps method, or the epididymis extraction to remove the potential method. The insect parasites were used to drive off the parasites in the body and the body. The oral dose of the powder was 0.1 g/kg body weight or 0.2 mg/kg body weight by subcutaneous injection. Deworming should be carried out within 5 to 7 days after castration. The main purpose of the stomach is to use the stomach-stimulating drugs to stimulate the bovine taste receptors, promote the secretion of digestive juices, increase their appetite, and promote the absorption of nutrients. The stomach is usually taken 3 days after the deworming, giving 60 to 100 grams of artificial salt or 450 grams of oral stomach to each cow. Third, the body tissue growth law (1) body tissue growth law: Body tissue growth and cattle breeds, age, gender, weight have a great relationship. Young cattle and young cattle that have not reached maturity generally have a faster weight gain, better feed remuneration, and have a good fattening effect. They can often be used for fattening. Adult cattle have slow weight gain and are not suitable for fattening. The growth order of young cattle and young cattle bodies is internal organs - bones - muscles - fats, and adult cattle are mainly muscles and fats. In general, bulls or calves aged 1 to 1.5 years and weighing more than 300 kg are used for fattening. (2) Compensatory growth: At a certain stage of shelf cattle growth, the cattle show a temporary growth stagnation by controlling the feed supply or feed quality of the cattle. When appropriate, when the supply of nutrients is restored, the cow will show more than normal growth rate, and will make up for the losses originally received, even beyond the normal growth level, called compensatory growth. This is an important means often used in beef cattle fattening to increase the economic benefits of cattle breeding, reduce feed consumption, and reduce feed costs. However, it should be noted that the time for growth inhibition cannot exceed 3 to 6 months, and the obstruction stage should be performed after the cattle have grown to 3 to 6 months of age, and should not be carried out during the embryonic period and within 3 months of the birth. Improper use will result in greater losses. The amount of nutrient control is generally about 75% of the normal amount. Fourth, scientific fattening fattening cattle in addition to insist on feeding high-quality hay, silage, micro-storage every day, but also based on species, age, sex, lyrical, etc. adjust the feed formula. Reference concentrate formula: corn 50%, soybean cake 22%, bran 25%, calcium bicarbonate 1.5%, growth hormone 0.5%, salt 2%. The following three stages of fattening: The first stage (6 to 8 days): mainly tuned cattle to adapt to feed. The method is to feed the straw feed with a small amount of compound material, and the cow can automatically feed on the trough after 2 to 3 days. The second stage (10 to 12 days) is mainly to restore the body condition. Each cow is fed with 700 to 750 g of fine material per day; the feed is fed three times and the forage is fed freely. The third stage (35-40 days) is the key stage of strength fattening. Every day, each cow is fed with 1000 g of concentrate, and sufficient amount of high-quality hay, silage or micro-storage straw feed is provided. When there are conditions, feed night grass. V. Careful management at the right time The slaughter period should provide cattle with a warm, dry, quiet and comfortable living environment. Fixed cattle reins are generally set at about 35 cm, limiting their movement. When the weather is good, let it soak in the sun every day after feeding. Brush the body of cows once a day to keep the body of the cattle clean, clean up the trough, remove the remaining material, and prevent the feeding of mildew. When the cow's body is wide and plump, with a straight back and a fat at the thigh, touch the back, buttocks, shoulder blades, ribs, and other parts of the cow with full muscles; touch the root of the ear, the front and rear ribs, and feel a lot of fat deposition. The lyrics are good and can be slaughtered. Sixth, the diet must add straw cattle must have straw in the diet formula, it is a necessary ingredient for cattle healthy digestion. The proportion of concentrates in the diet during the late period of fattening increases. If a certain amount of straw is not maintained, the digestion of the cows will be abnormal, resulting in stagnation of the rumen, even wear of the stomach nipples, and death of the cows resulting in death. There should also be 2% to 3% of straw in the beef quality improvement diet. In order to enable cattle to eat more straw, to remove dust, soft is the most feasible, and straw broken into powder is not desirable. Straw stalks are short, 5 to 7 centimeters is better, straw, wheat straw, and corn stalks can be used to achieve the purpose by using a kneading machine. Straw processing technology: First, cleaning, short-term immersion of straw, light scouring to remove dust, and play a softening effect, mainly used for wheat straw and straw; second is soft fleas, as mentioned in the previous section, is also softened to corn stalks rough stalks Mainly; the third is salt water, with 1% of warm salt water, the straw to be fed is wetted, mixed, and pressed, covered with plastic cloth, and fed one day later; the fourth is ammoniation, and the straw is treated with water that dissolves urea. In order to increase protein content, it can be promoted when urea is inexpensive.
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