The light-weighted sows of large-scale pig farms are usually kept in single-column units with hard floor and half-leakage single-row limit. The number of columns in each unit should be equal to that of the breeding sow unit. The batch can raise 80-100 heads of sows, and the production process is roughly as follows.
1 all in and out
Unit preparation
Before the pigs are transferred, the unit must be cleaned, sprayed, disinfected, and dried for use.
Pig transfer
The transferred sow herd must be from the same breeding unit, and must be washed and disinfected by warm water before entering the light fetal sow unit.
Group positioning
When the pigs are transferred, the sows and the sows must be grouped according to the test, and each group is separately positioned according to the fat and fat, and the data card for the light and sows is comprehensively reviewed and confirmed for feeding management.
Pig out
The third week after the pigs were transferred to the light fetal sow unit, a comprehensive pregnancy check was conducted. If the pregnant pigs were found to be flushed and disinfected at the appropriate time, they were transferred to the breeding sow unit. The light fetal sow group stays in the light fetal sow unit for about 8 weeks. After the period of normal inspection, the insects are dewormed, warm water sprayed, disinfected, and transferred to the sow sow unit.
2 health and epidemic prevention
Keep it clean
Clean the barn twice a day, first clean the dung, rinse the drain ditch, etc. The house was cleaned once a week, and the house was cleaned and sprayed once a month. Work clothes and tools must be cleaned, disinfected and dried regularly to maintain cleanliness and no odor.
Maintain effective disinfection
Replace the unit inlet and outlet disinfection tank solution once a day. One week after the pigs were transferred, the pigs were disinfected once in combination with the house cleaning. Every year in the spring and autumn, the whole field will be used to kill the rats once and drive the birds once to ensure the disinfection effect.
Safe immunity
Strict implementation of immunization procedures, immunization must pay attention to control feeding environment, vaccine quality, vaccine transportation and preservation, inoculation dose and operation, etc., to prevent various stress disturbances, prevent vaccine failure, etc., regularly check the immune level of important epidemics, and ensure safe immunity .
Timely diagnosis and treatment of sick pigs
Regularly patrol the pigs and conduct in-depth consultations twice a day, timely diagnose and treat sick pigs and disinfect pigs, and promptly transfer suspected infectious pigs to the elimination zone.
3 breeding
Diet nutrition
The full price of the light-weight sow unit is not to use the wine trough, hay powder and various mildew materials. The main nutrient content of light fetal sows with diet is: digestion energy ≤11.7 MJ/kg, crude protein ≥12%, crude fiber ≤10%, lysine 0.35%, calcium 0.6%, phosphorus 0.5%, salt 0.32 %, add enough multivitamins and trace elements.
Feeding method
Feed 2 meals a day, first clean and then feed. The daily feeding amount is 2.5 kg/head except for the sow and the thiner sow. The other sows are 2.0 kg/head-2.2 kg/head. . Prepare work before feeding each meal. When feeding, first give a fixed signal to consolidate the feeding condition. Feeding and feeding operations should be fast and accurate, try to shorten the time of sows' uneasy screaming and reduce the waste of food. At the same time of feeding, provide adequate, hygienic and moderate drinking water. It is advisable to use automatic drinking fountains for free drinking.
4 miscarriage
Cool off, cold
Light-weight sows can withstand temperatures ranging from 10-27oC, critical high temperatures of 30oC, suitable temperatures of 16-20 oC, and suitable air humidity of 65%-75%. If the temperature in the house is ≥30oC or ≤4oC, and it lasts for a long time, it is easy to cause miscarriage or stillbirth. In summer, the weather is hot. It is necessary to take measures such as stepping up ventilation and spraying cold water mist to cool down and cool down. Control the temperature inside the house to ≤27oC to prevent heat stress in the pigs. In the cold winter, you can use plastic film to cover the roof and close the north window door to keep warm and cold, and control the temperature inside the house to ≥15oC to prevent cold and prolonged stimulation and cause miscarriage or stillbirth.
Prevent startle and mechanical damage
Prevent sows from fighting, jumping, prohibiting barbaric operations, preventing the occurrence of strange creatures, animals, sounds, etc. in the house, and avoiding abortion or stillbirth caused by fright or mechanical damage to the sow.
Prevent constipation
The ratio of wheat bran in the diet of light-weight sows should be 18%-20% to facilitate the defecation of sows, avoiding the use of coarse materials such as reeds and distiller's grains, and preventing constipation from causing stillbirth.
5 collecting data
Review the sow data card
After the pigs are transferred to the light fetal sow unit, the data card is fully reviewed and verified to ensure accuracy.
Fill in the record form
Fill in the consumption registration form, breeding record form, pregnancy check review form and disease diagnosis and treatment form in time.
Statistical report
For each batch of sows transferred, one statistical report shall be submitted, including the transfer of light fetal sows, the transfer of pigs (including non-pregnancy and elimination), the protection of light tires, and the total consumption of whole-term feeds. The amount of material consumed with the head is equal.
In the batch production process of pigs, the production process of the light-born sow unit is relatively simple, and the workload is about half of that of the breeding unit. Therefore, when setting up a labor position in a breeding pregnancy inspection unit, you can consider setting up a labor position in two light fetal sow units. The new employees of the light-born sow unit house should have a junior high school or above education level, and they can be qualified for the work with the master's apprenticeship for half a year.
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