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The principle of fattening sheep
Reasonable supply of food. According to the feeding standards, combined with the growth and development characteristics of the fattening sheep, determine the dietary composition of the sheep, the amount of the diet or the amount of supplements, and combine the actual weight gain effect to make adjustments in time.
To highlight economic benefits, do not blindly pursue the maximization of daily gain. Especially under house-feeding conditions, maximizing the weight gain of mutton is often based on high-concentration diets. Maximizing daily weight gain does not necessarily mean obtaining the best economic benefit. Therefore, when setting the expected fattening intensity, we must use the best economic efficiency as the only measure.
Reasonably organize production and timely fatten sheep. According to the stage of growth and development of the finishing sheep, determine the length of the finishing period. If it is too short, the fattening effect is not obvious. If it is too long, the feed payment will be low and it will be economically uneconomical. Therefore, when the meat sheep reaches a certain weight after fattening for a certain period of time, they must be slaughtered or marketed in time, instead of blindly pursuing the maximum weight of the sheep. According to local conditions, the size of fattening sheep is determined. Under the local conditions, the best economic benefits are sought in accordance with the laws of market economy.
Preparing meat sheep before finishing
Build a flock. House keeping sheep should have a house and ample venue for activities. Sheep pens should have the functions of heatstroke prevention and cold protection. They should be selected where there is a high ground, sunny, dry, well-ventilated and sheltered, and easy to drain. On an hourly basis, it can be built in or near a residential facility to facilitate management and care. When the scale is large, it is better to build a sheep-raising area in a place far away from the village to facilitate prevention.
Sheep house area is determined by the number of sheep. Usually each sheep covers an average area of ​​0.8-1.2 square meters. The rams and ewes occupy a larger area. The bred sheep and lambs can be smaller. The fine wool sheep and semi-fine wool sheep should be larger, and the goats should be smaller. Generally, the height of the sheep house is 2.5 meters, the width of the door is not less than 1.5 meters, and the height of the window from the ground is not less than 1.5 meters, ensuring good lighting and ventilation effects, and the doors and windows are made of wood material. Span 7-8 meters, according to fire requirements, the length of each building should not exceed 30 meters.
The shed is a brick-wood structure and faces south in a rectangular layout. In the winter, plastic greenhouses can be used. There should be one vent hole left and right at the top of the shed to prevent excessive humidity in the shed.
There must be a playground in front of the shed, and the area of ​​the playground is 2-4 times the area of ​​the sheep shed. A fixed sink or basin is placed in the middle of the stadium for sheep to drink. There must be a fixed feeder or mobile feeder around or in the middle. The fixed feeder trough is made of cement or brick, the width of the trough is narrower and the trough bottom is rounded, and the mobile trough is made of wood.
Have enough fodder. Forage feed is the material basis for fattening sheep. The fattening mutton sheep must feed the grass first, which can be solved in four ways: The first is to fully collect locally produced peanut pods, sweet potato pods, eucalyptus leaves, poplar leaves and other nutritious vines and leaves. The second is silage and micro-storage. If wheat straw and dry corn stalks can be micro-storage. After the harvest of autumn corn, the green straw should be chopped and siled in time. Third, the use of waste, slag byproducts such as vinasse, bean curd residue, powder slag and so on. The fourth is the cultivation of alfalfa, winter grazing 70 rye, grain alfalfa and other high quality pasture.
Choose a good variety. Shepherd sheep must be combined with the actual production of the local area, and select good varieties that are suitable for the local ecological conditions, high production performance, good product quality, short feeding period, and high economic benefits. There are many varieties of sheep and goats adapted to feed, from the point of view of feeding alone, meat sheep sheep feeding effect is more obvious. Goats are generally selected from the crossbreeds of Boer goats and Saanen dairy goats and local goats. Sheep are selected from Charolais, Dorset, Suffolk, German Merino sheep and small tail sheep or local sheep. Hybrid offspring.
Selection and grouping of fattening sheep In general, young sheep gain weight faster than old ones and have a good fattening effect. Lambs have the fastest growth rate from 1 to 8 months of age, and they mainly develop muscles. Weaning lambs are used as fattening sheep to produce fat lambs with good meat quality and high efficiency. Therefore, after the lambs have been identified in the weaning group, lambs that are not suitable for breeding are grouped by sex and body weight and grouped in groups. Adult sheep were eliminated and grouped by age and weight.
Castration, disinfection and deworming. The common lamb is easy to manage after castration, and the meat is tender and light. Doing a good job of cleaning and disinfecting the housing and doing well in the health work during the fattening period can effectively prevent the onset of sheep during fattening. It is an important measure to ensure a good fattening effect by repelling the parasites in the body and the body and reducing the impact of parasitic diseases. De-worming drugs are nitroprusside, sulfur dichlorodichlorophenol, albendazole and so on. These medicines can be effectively repelled at oral doses of 4 mg, 35-75 ml, and 2.5-3 mg/kg body weight.
Hoof repair. The deformity of the hoof hooves causes inconvenience in walking and affects the intake of the grazing, especially for grazing sheep, which can seriously affect the production performance. Therefore, it is necessary to deal with the hoof repair of the sheep before finishing.
Principle of sheep fattening and pre-preparation
With the development of the sheep industry, the traditional feeding methods are no longer adapted to the requirements of modern production. Traditional grazing habits must be changed. Sheltered or half-sheafed sheep must be developed. The past quantity of sheep is transformed into quality and efficiency. Raise sheep and take large, ecological roads. Shepherding sheep is beneficial to reducing production consumption, improving product quality and the benefits of raising sheep; it is conducive to returning crops to the abdomen, providing more organic fertilizer for agriculture, increasing grain production, and reducing excessive use of natural ecological resources; Ecological environment improvement. The production cost of sheep after being transferred to housing has increased. Therefore, the principles and methods for fattening sheep for fattening must be effectively controlled in order to increase the economic benefits of raising sheep.
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