There are many methods for the pregnancy examination of dairy cows, and the most widely used in current production practice is to judge according to the changes of the cow's body surface. The first is that the cows no longer exhibit periodic estrus, the temperament becomes meek, and the ac…

Cooling and heatstroke breeding density of 6 to 7 per square meter is appropriate, and the temperature of the goose house does not exceed 26°C. Keep ventilated and breathable. Spread 1 cm thick fine sand on the ground. Outdoor activities venues take shelter shade. When the weather is hot, s…

1, keep mushroom farm clean. Mushrooms should be thoroughly cleaned before they are cultivated, and sprayed with 800 times the solution of trichlorfon or dichlorvos evenly. Outdoor mushrooms, to remove the weeds around the cultivation site, and use 250 times the solution of trichlorfon to …

During the idle period of the thresher to ensure its good performance, maintenance work must be in place. The specific maintenance measures can refer to the following points: 1. During the long-term storage, the integrity of the thresher should be maintained, parts should not be lost, and the …

The vines in the sheds hang the vines, and most vegetable farmers choose to hang the vines in a one-stroke manner. Simply lift the two vines of the pumpkins side by side. However, due to the large size of the leaves of the squash, the vines will be congested between the rows, which will he…

Low fruit setting rate and difficult fruit setting are the most prominent problems that plague summer vegetable production. Although many friends of vegetable farmers used to make adjustments, such as the establishment of fruit sprouts and booster ingredients, the problem of difficult frui…

In the United States from the second half of the 1970s, the buffer sodium bicarbonate and baking soda were added to the feed of dairy cows. The purpose is to adjust the pH of the rumen of dairy cows in order to achieve the purpose of increasing milk fat, milk volume and weight gain. The annual…

First, to select the preparation of raw materials

When preparing Bordeaux mixture, high-quality, pure, white, light-weight lump lime should be used. The copper sulfate should be blue crystal, and the yellow or green powder should not be used.

Second, strictly follow the pre…

(6) Causes and preventive measures of sudden drop in egg production in chickens

General chicken production has a certain rule, that is, a few weeks after the start of production can reach the peak of egg production, after a sustained period of time, it began to slowly decline, this…