The annual production plan is mainly to determine the production tasks of the whole year's products, as well as the organizational and technical measures to accomplish these tasks, and to specify the material consumption and capital use limits so that the annual production activities can be reasonably arranged. This is the main part of program management, and it is also the embodiment of the long-term plan.
The total mission. Released by the head office of the Group to specify the total number of pigs the pig farm should reach during the planned year and the number of basic sows therein, the number of pigs raised and cultivated throughout the year, the total number of pigs raised, and the number and total number of finishing pigs Heavy and so on.
Mating childbirth plan. The plan is to clarify the number of matings per month, number of abortings, and number of litters for all maternal sows in the whole year of the plan. It is the main basis for the organization of swine herd turnover, and it is also a necessary step to carry out seed selection and matching programs and carry out breeding work. . Since the mating and delivery program is the guarantee for the completion of the breeding task, the requirements for this plan should be to ensure that all male and female pigs are fully and reasonably used, and to increase the number of litters and the breeding rate. For feed, labor, pig houses and equipment, etc., can also be fully and reasonably used. The content of mating and childbirth organization mainly determines the mating and delivery period of sows. Factors affecting and determining sow mating and delivery, including both natural and economic factors. Determining the breeding period and the tillering period of a sow must be based on animal husbandry scientific data and the natural reproduction characteristics of the pig. The reproduction cycle of a typical sow is about 166 days to 181 days, but it is not absolutely constant. With the advancement of swine science and technology, the reproduction cycle of sows can be shortened. For example, after the sows give birth, appropriate measures can also be taken to allow the sows to be mated sooner than 30 days after the birth.
The economic basis for the formulation of the breeding and delivery program is mainly based on the following four aspects: 1. Climate conditions and annual supply of feed. In some regions of our country, due to severe cold or intense heat, the survival and growth of piglets are affected. At the same time, the feed supply situation in the year is often uneven and there is a season of low season. In order to allow sow breeding and piglet growth to be in suitable climatic conditions and to obtain sufficient quality feed, it is best to set the tillering period in the season where the climate is mild and the feed is best. Seasonal centralized breeding is used. With childbirth. 2. Make reasonable use of piggery production equipment, tools and labor. If centralized delivery is adopted, it will result in unbalanced use of various means of production and labor during the year. Therefore, from the point of economic utilization of the means of production and the rational use of labor, it is appropriate to organize breeding and delivery in a balanced manner throughout the year. 3. Rational use of male and female sows. From this point of view, the balanced breeding of the whole year is more conducive to more concentrated delivery. 4. Raise the product rate and rationally allocate the product appearance period in one year. The mating and delivery plan of pigs affects the production rate of pig production to a large extent, and also determines the stage of product appearance to a greater extent, thus affecting the supply of animal products. When formulating a mating and delivery plan, it is necessary to consider how to improve the product rate and meet the social habits of products. Therefore, according to the reproductive physiology of pigs and various economic conditions for pig production, careful consideration should be made and reasonable arrangements made.
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