Pigs and cattle use streptomycin to prevent allergy
Some pigs and cattle will have an allergic reaction after using streptomycin, and if the rescue is not timely or unreasonable, it will cause death as well as penicillin allergy. Therefore, pigs and cattle using streptomycin should not be taken lightly, after the use of medicine should pay attention to careful observation, and prepare for first aid.
Most of the allergies to streptomycin in pigs and cattle are acute. At the first medication, the allergic reaction occurred slightly slowly, showing symptoms in about 10 to 15 minutes, while in the second medication, the allergic reaction occurred faster, and the symptoms could be shown in about 5 minutes. The main symptoms are: shivering all over the body of pigs and cattle, extreme difficulty in breathing, sudden fall to the ground, paroxysmal convulsions, visible mucosal cyanosis, slow response.
Pig and cow allergy relief method: intravenous injection of 10% calcium gluconate injection, 50 ml for each pig and 200 ml for each cow, or intramuscular injection of chlorpheniramine injection, 1 ml for each pig and 5 ml for each cow.
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Egg Duck breed-Liancheng White Duck
The main results are as follows: (1) the origin and distribution are also known as white duck. Because the central producing area is located in Liancheng County in the west of Fujian Province, it is distributed in Changting, Shanghang, Yong'an and Qingliu counties. This is a unique small white breed of Chinese sesame duck. (2) the body is narrow and long, the head is small, the neck is slender, the forechest is shallow, the abdomen is sagging, the movement is flexible, foraging is strong and neurotic. Male and female ducks have white feathers, bluish black beak, shin, webbed gray-black or black-red. (3) production performance ① egg laying performance
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Early winter duck prevention "falling eggs"
Egg duck "pour eggs" refers to the female duck raised in spring, from November into the laying period, and at this time the temperature gradually becomes cold, the temperature difference between day and night is too large or due to insufficient nutrition, resulting in the laying duck just laid eggs will stop production "vacation". If laying ducks "pour eggs" and start molting, they will not lay eggs until next spring. If the duck can be controlled during this period, the laying period can be greatly prolonged and the economic benefits of duck breeding can be improved. When ducks appear eggs, the individual becomes smaller, the eggshell becomes thinner, the laying time is delayed, the feathers are wet, and the duck house is drilled.
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