In recent years, with the continuous development of the sheep industry, the incidence of sheep disease has been rising, bringing greater economic losses to sheep farmers. Lamb diarrhea is one of the most common diseases in sheep. The immunity of lamb is not high. If diarrhea is not treated in time, it will lose weight, dehydrate, anemia, or even death. What is the cause of lamb diarrhea? How to prevent it?
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First, the cause of lamb diarrhea
1, bacterial infection
The lamb's autoimmune function did not completely establish the lamb within 1 to 7 days of age, and its immune system was not fully established and lacked resistance to the disease. This stage was dominated by gray-yellow diarrhea. At 8 to 14 days of age, the lambs obtained sufficient maternal antibodies from the ewes of the ewe, and the number of cases decreased under normal feeding and management conditions.
2. The maternal antibody decreased significantly. Lambs aged 15 to 36 days have a significant decrease in maternal antibodies obtained from breast milk. At this time, the immune mechanism of the lamb's own disease resistance has not yet fully developed and is easy to cause diarrhea. At this time, white and odorous feces are the mainstay. Weight loss, severe dehydration.
3. Improper feeding and management. Lamb diarrhea is generally caused by eating contaminated food from the outside environment after birth and the ewes of the ewes are not clean to be infected. This pollution may come from the accumulation of feces and sewage from the ewes or pens.
4. Virus and parasitic infections
(1) Viral infectious diarrhea. Infectious viral diarrhea is susceptible to infection in the late winter and early spring seasons. The stool is mainly yellow or white with undigested milk.
(2) Parasitic infectious diarrhea. After the lamb is infected with sporozoites, the spores released by the sporozoite oocysts under the action of the gastrointestinal digestive juice invade the intestinal wall of the sheep and cause diarrhea in the lamb. The stool is white, stench, and severe bloodshot.
.jpg "Causes of Lamb Diarrhea and Comprehensive Prevention Measures")
Second, the comprehensive prevention and control measures for lamb diarrhea
1. Disinfection of the environmental enclosures of the lambs before and after childbirth. One week before the ewes are born, the delivery shed must be thoroughly disinfected. It can be replaced with 20% quicklime water, chlorine-containing preparations, and water from Sushui to keep the enclosure clean, clean and hygienic. Disinfect the pens once a week after lambing.
2, the birth control is strictly disinfected. If midwifery is needed for midwifery, the midwifery personnel should be strictly disinfected. The ewes and the birth canal of the ewe should be strictly disinfected with 0.1% potassium permanganate solution or 75% alcohol. The lambs should be disinfected with 5% iodine when the umbilical cord is broken. . It is necessary to assist the lamb to suck the colostrum as soon as possible to prevent the sewage from being eaten. The ewes should be washed before each feeding, and the cold and warm work should be done within 1 to 10 days.
3. Prevention and control measures for ewes. Strengthen the feeding and management of pregnant ewes before and after childbirth. The ewes will increase the high-energy feed and protein feed 7 days before the birth, enhance their disease resistance and ensure the quality of postpartum milk. Keep the nipple clean and clean 1 to 2 days before birth.
4. Drug prevention. Add antibacterial drugs to the ewes 3 to 7 days before and after lambing, such as white-headed scatter, once a day, each time 10 ~ 15g, norfloxacin once a day, each time 5 ~ 10g.
5, the prevention and control measures of the lamb. To give the postpartum lamb a colostrum on time, the lamb will be regularly dosed after eating the feed. Do not overeat or hunger. Do not suddenly change the feed to prevent gastrointestinal discomfort and cause diarrhea. Lambs, such as grass, start eating less, do not feed moldy forage, feed, give clean drinking water, exercise properly, to enhance the ability to resist disease and disease.
(1) dyspepsia diarrhea: 200mg per day with lactic acid bacteria tablets, 150mg of multi-enzyme tablets twice orally, for 3 days.
(2) bacterial diarrhea: norfloxacin 200mg, divided into two oral administration, for 2 to 3 days: 50g of garlic juice, once a day, for 3 days. If the diarrhea time is too long, give 10% sodium chloride, VC, VB1 intravenous infusion when dehydration, for 2 to 3 days.
The above is the reason for the lamb's diarrhea and comprehensive prevention and control measures. The sheep farmers should avoid the winter and summer cold and heat stress of the flock. Ventilation is recommended in summer and fattening in a warm shed. Careful observation, once the situation of lamb diarrhea is found to be treated in time, strengthen the prevention and control of disease in the ewes and newborn lambs.
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