Grazing and fattening refers to fattening methods based on the use of natural pastures. Grazing fattening method has the advantages of low feeding cost, good fattening effect, and easy promotion in a large number of agricultural and pastoral areas. It is an effective way to increase the economic benefits of raising cattle and accelerate prosperity in rural pastoral areas. In the grazing and fattening period of 150 days or so, lean cows, the local cattle daily weight gain 0.5 to 0.7kg, beef hybrid cattle daily weight gain 0.58 to 1.2kg, the average total weight gain per cow 100 to 180kg, each cow increased Economic benefits 300 to 400 yuan.
1 Selection of fattening cattle Choose from 2 to 6 years old, tall, healthy and disease-free charolais, such as Charolais, Limousin, Simmendar, and other meat bulls. Obsolete bulls, infertile cows, low-yielding dairy cows, and farm cattle that have lost their ability to exercise are all able to increase their meat production through grazing and fattening before they are eliminated. Young and young cattle have strong ability to harvest grass and have good fattening effect. Old and frail cows have poor fattening effect, but they can also receive better weight gain after proper conditioning. For cattle that are older, have no teeth, have severe digestive system diseases and infectious diseases, there is no fattening value and should be removed.
2 Deworming and stomach-enhancing cows must be dewormed and stomachic before grazing and fattening. Because cattle eat pasture and often contact the ground, the gastrointestinal tract is often infected with various nematodes, and they are also susceptible to parasites such as ticks, cockroaches, cockroaches, and fly parasites. It is necessary to carry out deworming at the same time to increase stomach weight. At present, there are a wide variety of insect repellent drugs, among which Bulk Star (trade name Alijia) developed and produced by China Agricultural University is the drug of choice for deworming. The drug can also eliminate dozens of nematodes in livestock and poultry, as well as in vitro and in vivo parasites such as cockroaches, cockroaches, cockroaches, fly pupae and the like. The use of a dose of 3 kg body weight powder 1 bag or capsule 2 tablets (containing active ingredient 10 mg), fed or mixed feeding in the feed. Deworming is best arranged in the afternoon or evening. Cows excrete the body during the day to facilitate collection and treatment. Before the administration, it is best to stop for several hours and only give drinking water to improve the efficacy. For indigestion, cattle with diarrhea can take Jianwei San, take it once a day, each serving 250g, and even served on the 2nd. After irrigating Jianwei Powder and filling yeast powder with individual thin and weak cows, it will be taken once a day, each serving 250g, and 50-100 tablets of yeast tablets may also be fed to regulate the gastrointestinal function.
3 Grazing and fattening techniques Grazing and fattening usually begins in late May and ends in late October. Grazing methods can be adapted to local conditions. Farmers tend to use small groups of grazing methods for fattening, with about 10 heads per group being appropriate. In summer, there are more mosquitoes and affect the grazing and feeding of cattle. Therefore, summer grazing should avoid hot weather as much as possible, and adopt morning grazing and early return, late afternoon late evening, and noon grazing methods. Grazing twice a day, grazing from 6 to 10 in the morning, grazing in the afternoon from 3 to 7 o'clock, and grazing for 8 hours a day. At noon, the cattle were rushed into the sheds or rested under the shady trees. Drink water once after each harvest. When grazing, let cows drink clean drinking water, do not drink stagnant water and water in the foam, and do not grazing in low-lying areas to prevent cattle from infecting liver fluke. At the same time, care should be taken to prevent sun exposure and rain in the hot sun. Grazing grazing in autumn is a good way to manage cattle, so that cattle do not harm crops and vegetable fields, and prevent cattle from causing diarrhoea and death from eating vegetables and crops. There should be no cows in the fattening herds, so as not to affect the bull's feeding and breeding. If there are more cows, you can group additional groups. Fattening cattle can not be used to prevent slipping and reduce the effect of fattening.
4 Doing a good job of supplementing the condition of the cattle raising households to adopt grazing plus supplementation of fattening methods, the effect of weight gain will be better. Feeding can be done within half an hour of the evening's harvest. Each cow replenished 3 to 5 kg of grass daily, 0.5 to 1 kg of corn, 0.3 to 0.5 kg of cottonseed cake, 50 g of salt, 50 g of urea, and 20 g of auxin. Feed the grass first when supplementing, then mix the concentrate feed and various additives and mix it in the grass until it is full. Under the conditions of grazing and supplementary feeding, the daily gain of meat improved cattle can reach 1.5-2kg, and the daily gain of local cattle can reach 1-1.25kg.
5 The timely delivery of hybrid beef cattle is usually born from March to May. After a winter and spring feeding, the weight can reach about 250kg at the age of 1 in the second year of May. From the end of May to the end of grazing and fattening to the end of October, the grazing and fattening period is over. The fattening cattle weighing 350-400kg can be slaughtered. If you do not produce slaughter at this time, you can enter the fattening period from the end of October, after 2 to 3 months of strength fattening, when the weight of 500 ~ 550kg sold, you can get better economic benefits.
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