Pollution-free three-way hybrid pig production technology

(1) The necessary conditions: Water quality, air, feed, additives, veterinary drugs, and final products meet national or local pollution-free standards, and the production process is conducted in accordance with pollution-free production regulations.
(2) The source of piglets: The first is to purchase binary cross-breed sows at breeding pig farms that have obtained the “Plant Production and Marketing Permit for Breeding of Breeding Livestock and Poultry”, and to select terminal fathers for the production of three-way hybrid pigs; second, to obtain “seed breeding animals”. The second-tier breeding ground for poultry production and operation permit purchases three-way crossbred pigs for breeding. Piglets require strong physique, light hair, well-balanced development, flexible movement, and strong appetite.
(3)Fattening technology The first period of fattening (60 kg of weaning), adopting a higher level of nutrition for pigs to feed freely, the digestibility per kilogram of dietary energy is 13-13.39 kJ, the crude protein is over 16-18%; the late fattening period (60 kg to the slaughter), feed intake is 85-90% of the free supply, dietary digestibility energy is 12.55-13 kJ, crude protein is 12-14%, and daily weight gain is over 600 g. Meat ratio 3.2-3.5:1.
(4) The management of finishing pigs is fed 2-3 times a day, each feeding 1 kg of feed water and 2.5-3 kg of water. The herds were reasonably grouped according to their source, body weight and eating habits, and each group was generally about 10 heads. Suitable temperature for pigs is 15-26°C and 60-70% humidity. Keep the pig house clean, fresh air and proper lighting. 15-60 kilograms of pigs occupy 0.8-1 square meters, and more than 60 kilograms are 1-1.2 square meters per head. The pig house is regularly sterilized and epidemic prevention is strictly conducted according to the immunization program. Timely slaughter, generally 90-110 kg slaughter is appropriate.

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