The oil on the cylinder head cover is not clean, which may result in clogging of the nozzle holes, causing poor lubrication of valves, valve guides, rocker arms, etc., resulting in increased wear. As a result, lax shut-off, insufficient intake air, and insufficient exhaust gas occur. Insuf…

Coal ash

Coal ash slag not only contains the mineral elements required by various pigs such as phosphorus, potassium, copper, iron, magnesium, zinc, and manganese, but also contains a new porcine growth regulator, humic acid. Feeding pigs with it can directly enhance the vitality o…

Banana bunchy top disease is a devastating disease of bananas. The disease has been widespread in Taiwan, Guangdong, Guangxi, Fujian and Yunnan provinces (regions). The rate of field disease in Guangdong Province is generally 5% to 10%, and some of the diseased banana gardens are 20% to 40…

China's broiler products are mainly yellow broilers and white broilers. Therefore, the concept of yellow broilers has to mention white broilers. The characteristics of the two are highly contrastive.

Looking from the feather color, white feather chickens have white feathers. Ye…

Unknown blood:

The urethra has red discharge, mostly the clinical characteristics of the tumor; anal blood, bright red, it is necessary to consider the occurrence of anal fissure, hemorrhoids; anal recurring dark red blood, mostly malignant lesions of the rectum or large intestine …

In a broad sense, these diseases are related to men, married to men, and brought to her by men. In fact, these diseases are part of sexually transmitted diseases. Some of them should not be called sexually transmitted diseases, but because external factors interfere with her, leading to th…