Tri-product lean-type pig rearing

Rearing

1, diet formula. The proportion of various types of feed is roughly: 50%-70% of grain feed, 10%-25% of cake feed, 3%-6% of animal protein feed, 10%-15% of feed, bone powder (stone powder) 1%-1.5%, salt 0.5%-1%, green feed 10%-15%.

2, feeding method. (1) The feed is wet and mixed. The feed ratio of raw material to pigs is 1:0.5-1, which is based on the “hands hold group and hand loose on the loose”, but pay attention to feed temperature, feed cold food (saccharification material) in summer and autumn, and feed warm food in winter ( Natural fermentation warming material). (2) feeding regularly, less to Tim Tim. The time and number of pigs to be fed each day should be determined according to the season and the size of the pigs; the number of feeds per pig should be based on the size, strength, appetite, nutritional status and climate of the pig and generally allow the pig to eat eight. 90% full, feed can not suddenly feed the amount of feed into the tank to avoid picky pigs. At the same time, clean drinking water is often supplied.

management

1, timely castration, epidemic prevention, deworming. The piglet castration must be carried out during the suckling period because the piglets have a strong metabolism and the knife will heal quickly, with little effect on weight gain. After the piglet weaned, it was necessary to promptly inject the swine fever and swine erysipelas double vaccine. During the cycle, the insects were repelled once and then reinfested after feeding for two months.

2. Reasonable grouping. According to the pig's breed, age, weight, and physique grouping, it is advisable to raise the number of pigs in large housing estates with an area of ​​0.6-0.8 square meters per head. Density is too high, which affects the feed intake and rest of the pig and reduces the rate of weight gain.

3. Keep the pig house clean and dry and quiet. To teach the pig to eat, excretion, sleep three separate, cleaned twice a day, so that the pig house to keep clean and dry, at the same time, pay attention to keep the environment quiet, to prevent startle, turmoil, so that pigs sleep.

4, to create a suitable climate in the shed. Piglets gain the fastest weight at 21-27°C and big pigs gain the fastest weight at 16-21°C.

Listing

Feeding ternary commodity lean-type pigs should grasp the early stage of fast growth of the pig's muscles, supply full-priced diets, and market them at the economically most favorable weight. Practice has proved that: raising three yuan commodity lean-type pigs with no more than 90 kg listed the best economic benefits. For a pork hog weighing more than 90 kg, the lean meat percentage will drop by at least one percentage point for every 10 kg of weight gain, so it must be sold in due course.

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