First, keep proper temperature. The critical temperature for dairy cows to produce milk is 22°C. It is very difficult to reach this temperature in the early spring, except for keeping cows in a greenhouse. At the very least, the temperature should be kept at 13°C.

Second, ens.......

Oil, or engine oil, is known as the “blood” of a vehicle and can act as a lubricant, clean, cool, seal, and reduce wear on the engine. If the engine oil is used or mixed, it will aggravate the engine wear caused by wear or damage. Therefore, we should pay attention to the follo.......

Not too many times

Many vegetable farmers believe that the more eggplants harvested in more than one time, the higher the benefits. However, the result was too many times and the benefits were reduced. Because eggplant has a certain growth law, only by following this rule can there.......

It has been proved that there are about 40 kinds of essential minerals for pigs. According to their contents in pigs, they are divided into two major categories: macroelements and microelements. Elements with a content of 50mg/kg or more are constant elements. The content is expressed in f.......

Here mainly introduces non-nutritive additive feeds, including antibiotics, enzyme preparations, micro ecological preparations, insect repellent health care agents, feed preservatives, and attractant seasonings.

1. Antibiotics Antibiotics are mainly used to prevent diseases, promot.......

In early spring, green grass sprouts, and horses, cattle, and sheep are extremely fond of eating, but it is not possible to grazing prematurely. Premature grazing will have many adverse effects on livestock and pasture.

First, prone to magnesium deficiency in early spring is still .......

Interviewed expert/Association Professor Wang Wei, Emergency Department Director, Sun Yat Sen Memorial Hospital, Sun Yat Sen University

Although it is nearly clear and bright, there are still cold air attacks from time to time in Guangzhou. Associate Professor Wang Yan, director of.......

After entering the fall, many patients with gastric ulcer began to suffer again. Experts believe that overcoming bad habits is the key to prevention of stomach ulcers in the fall.

Autumn coolness also induces stomach bleeding

It is understood that in the seasons of autumn a.......

The output of Yali pear depends on the number of fruiting branches. One fruit and branch is like a factory. There are more factories, and the production volume is large, and the output is naturally higher. Pears have low branching power and high sprouting force. Fruits with medium and shor.......

Fruit and vegetable vegetables grown in early spring are mostly grafted and nursed in greenhouses in winter. By grafting and raising seedlings, the disease resistance of the plant itself can be improved, and the yield can be increased. This is a commonly used seedling raising method in the.......