For newborn piglets, feeding and management after three days of delivery are very important, because many casualty accidents during the pig-raising process occur at this stage, such as crushed dead, dead, frozen, frostbite and so on. In order to reduce the piglet's death and injury rate in these three days, the following tasks should be done: (1) Proper delivery of products and protection against moisture. (2) Let the newborn pigs eat colostrum in time to enhance disease resistance. (3) Fix the teat. This is an important measure to reduce the death of newborn piglets and increase the uniformity of the piglet population. (4) Timely iron supplementation and selenium supplementation to prevent selenium deficiency and anemia. (5) Restore sow body condition to prevent postpartum infection.
Three days after weaning was the most severe period of piglet stress. The imported food was changed from liquid milk to solid feed, leaving the sow's care. At the same time, because the sow was driven off by Sherwin, the maternal antibody was stopped. Each of the above stresses will have a very adverse effect on the piglet and become a cause of its onset. Therefore reducing stress is the key to helping piglets to wean properly. Piglets should be provided with comfortable environmental conditions and good quality feed.
The selection and application of Lentinus edodes strains is a relatively complicated technical issue. In addition to understanding the quality standards of the strains, users need to understand the age of different strains from 55 to 240 days (the time difference from cultivation to mushrooming). Up to 2-6 months), mushroom shape and temperature type (sensible temperature of mushroom can be divided into low temperature type 8 ℃ ~ 12 ℃, medium temperature type 12 ℃ ~ 16 ℃, high temperature type 18 ℃ ~ 22 ℃, 12 years a year The monthly average temperature changes between 2 ° C and 4 ° C), combined with the basic knowledge of applied technology such as the seasoning of mushrooms, can only choose the suitable high-yield stable bacteria.
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