Cross infection and safe injection in Pigs
(1) Sterilization of inoculation equipment. Inoculation equipment, syringes, needles, etc. must be sterilized in strict accordance with the requirements.
(2) A pig with a needle. Take strict precautions against a needle to the end injection method. It's best to get one shot per pig, one needle per pig.
(3) Emergency vaccination sequence. Emergency immunization should be carried out in the order of relatively clean group, assumed healthy group, threatened group and disease group. Within the cluster, asymptomatic, mild symptomatic and severe symptomatic were observed.
(4) Safety and scientific injection. Inject muscle of ear aftereffect side.
(5) Immune problems in pregnant pigs. Immunization of sows during pregnancy should normally be avoided except for emergency immunizations.
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Heat stroke in chickens and ducks and its prevention and control measures
1. Causes of chicken heatstroke: continuous high temperature, low shelf lifting of chicken house, poor heat prevention and cooling facilities, lack of ventilation, causing obstacles to heat accumulation in the house, so that the temperature in the house is high; feeding density is too high, chickens release more heat, which increases the temperature of the house; untimely removal of feces, accumulation of chicken manure increases the concentration of ammonia and humidity in the house, and the heat dissipation of chickens is hindered under the condition of high temperature and high humidity. The energy in the feed is on the high side, which causes the chicken to be too fat and accumulate too much fat. two。 Symptoms and pathological changes of heat stroke in chickens: first of all
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First aid method of bovine abdominal distension
The main reasons for abdominal distension in cattle are as follows: 1. Eating green plants and soluble protein that contain too much water. 2. Overeating cereal feed and forage grass can accelerate the decomposition of fatty acids, reduce the alkalinity in the rumen and lead to acid accumulation. 3. Mechanical obstruction of the esophagus hinders belching. Cattle abdominal distension is generally not difficult to diagnose, the difficulty is that the disease is too urgent, often do not have time to see a veterinarian for diagnosis and treatment, died 1-2 hours later. First aid measures 1. Pure fish stone 150 ~
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