(2) Risk that reserve pigs cannot enter the basic group;
(3) The risk of sows not being estrus;
(4) The risk of sows mating without fetuses;
(5) Risk of fewer sows born sows;
(6) The risk of low survival rate of sows producing sows;
(7) Sow-born pigs are slaughtered to catch up with the downturn in the pig market;
(8) Risk of sow death and elimination.
2 Reasons for raising sows (1) The risk of disease introduction is low due to self-cultivation and self-support; (2) Since self-cultivation and self-cultivation, the cost of piglets is only the cost of raising, so fattening increases profits.
3 The operating strategy of raising sows insists on self-cultivation and self-cultivation, and flexible use: to catch piglets at the peak of the price of piglets to catch the low-fat fattening piglets; selling piglets in the first half of the year and selling fatteners in the second half of the year.
4 The key to raising sows is to improve the technical level, reduce the cost of breeding, and adhere to long-term investment.
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