Feeding and management of piglets
1. Do a good job of antifreeze insulation. For newly born piglets, extrusion and low temperature are the main unfavorable factors. In the local area, most of the free-range households believe that the high temperatures in the summer do not require thermal insulation, but the temperature in Dongshan will be 32-34°C even at the hottest time in July and August, and it will drop to 20-23 once it rains. °C, and in the first 3 days after delivery, the suitable temperature for piglets is 32~28°C; for 4~7 days after birth, the suitable temperature is 28~25°C; for the 8th~30th day, the suitable temperature is 25~22°C. . The temperature of the delivery room should be kept at about 20°C. The piglet insulation box should be installed inside the box. 250W infrared light should be hung in the box. The lamp should be 40cm away from the bottom of the box or be placed in the box with electric heating plate or hot water insulation board.
2. Ensure that newborn piglets eat colostrum as soon as possible to enhance the body's immune system. We must take artificially assisted nursing on weak pigs until the piglets can stand on their own to eat milk. Within 3 days, each piglet is fixed with nipples.
3. Set nursery pens in the delivery room to protect piglets and limit sow activity and reduce piglet death.
4. Fix the teat. Note that the weak piglets are fixed in the anterior middle nipple to ensure uniform development of the whole litter.
5. Selective fostering technology. In the event that the sow is over-fed and unable to nurse it all, the excess piglets should be nurtured to other sows. The fostering method is to let the sow piglets have the scent of accepting sows, so as to reduce the occurrence of bites in the foster piglets.
6. Iron supplements and feeds. Two to three days after the piglets were born, 100-150 mg of iron was given to each piglet to prevent iron deficiency anemia and increase the survival rate of the piglet. About 7 days after the birth of piglets, free feed intake can be used to increase the weaning weight of piglets.
7. Reduce stress in weaned piglets. The first is to make a transition between feeding and feeding methods through feeding. When piglets are 7 to 10 days old, they can start feeding with chute materials, feeding 5 to 6 times a day, feeding less and adding more ingredients, removing excess material in time, and eating and drinking clean water. The second is to do a good job in the transition of environmental conditions and rational transition to groups. Sows can be driven off weaning, leaving piglets in the original column for conservation purposes; weaning piglets should be as small as possible during transit. The third is to regulate the temperature and humidity of livestock houses. In winter, pay special attention to insulation. In the summer, pay attention to ventilation and keep the room dry. The fourth is to regulate the defecation of piglets and reduce the spread of disease.
8. Do a good job of castration and early feeding. Large-scale farms are castrated from 7 to 10 days of age. Rehabilitated households can castrate around the age of 25 days.
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