Biyang donkey
Produced in Henan Province, the central producing area is in Biyang County, so it is called Biyang donkey. Biyang donkey is a medium-sized donkey with a strong physique, square shape and symmetrical development. it is similar to Guanzhong donkey in appearance, but more meticulous than Guanzhong donkey. He is about 1.25 meters tall and weighs 220-250 centimeters. The coat color is mainly pink and black. It is estimated that there are about 25000 horses in existence. Biyang donkey maximum pull 203.3 kg, load 100-150kg, daily travel 40-50 km, 3 donkeys pull load 1500 kg rubber-wheeled cart, daily travel 35-40 km. Make use of both meat and meat.
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Canine cystitis
[etiology] first, infected with pathogenic microorganisms. Such as Escherichia coli, staphylococci, streptococci, amoeba and so on. Second, the spread of inflammation in adjacent organs. Such as nephritis, urethritis, prostatitis, urethritis, especially the vaginitis of bitches, endometritis, inflammation is easy to spread to the bladder, causing cystitis. Third, mechanical injury. Such as catheter injury, bladder stones and so on can stimulate mucosal inflammation. [diagnostic essentials] the typical symptoms are
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The breed knowledge of silkworm
The varieties of silkworms can be divided into three categories: 1. Due to different varieties, only one generation of diapause eggs occurs in a year. This variety develops slowly, after many days, the larva eats a large amount of mulberry, the silkworm body and cocoon shape are also large, and the silk is the most, but its physique is weak and can not adapt to the climatic conditions of high temperature and humidity, so it is suitable for breeding in temperate zones. 2. The second generation of diapause silkworm varieties occurs within one year, that is, the first generation produces non-diapause eggs and the second generation produces diapause eggs. This kind of product
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