First, group rearing pregnant ewes should be separated from the lamb, rams, fattening sheep, kept alone, so that the fetus can be targeted at different development stages of different feeding and management methods to ensure the normal development of the fetus. Especially ewes in later sta.......

At present, it is a critical period when high temperatures are used and pesticides are sprayed to prevent and control various crop diseases and insect pests such as rice. The author reminds the farmers of the high temperature spraying of the three precepts:

There is a lack of prote.......

Biopesticides are biologically-produced compounds with biological activity of pesticides. The exact formulation of biological pesticides should be bio-sourced pesticides, including plant-derived, microbial, and animal-derived pesticides. The primary reason why many biopesticides have not b.......

Shutoff adjustment

First, adjust the gap when the contacts are separated to 0.7 to 0.9 mm. Remove the wires from the battery and armature terminal on the regulator, and then use the battery fire wire to touch the armature terminal and use the battery power to aspirate the active ar.......

According to foreign media reports, Japan's Fujitsu Lab has developed an ultra-miniature palm vein recognition sensor, known as the world's smallest and thinnest palm vein recognition sensor. According to reports, the palm vein sensor uses the blood vessel mode for pe.......

When walking on a field tractor, a walking tractor found that the red indicator cap on the engine oil indicator was up and down. The operator immediately stopped the work and checked as follows:

(1) Remove the M8 oil pipe coupling bolt on the cylinder head cover and shake the engi.......

I planted a new CO2 reduction system and CO2 reduction to methanol system. This system is based on the foreign imported photochemical reaction instrument, according to the needs of most customers, combined with t.......

There are many varieties of pigeons farmed in Beijing, such as the United States Land King, France Yangge, White Feather and other pigeons. At present, there are about 200,000 meat pigeons in the city, and about 1.4 million pigeons are slaughtered each year. Due to its own physiological ch.......

Grapes are formed as a result of seed abortion. The number of mature small granule seeds and the number of large granule seeds are equal, but the small granule seeds are all in the young stage and are small but non-renal. So, how to prevent grapes from producing small particles?

Du.......

In case of cotton seedlings encountering rainfall, disease emerges and spreads easily. Light pathogens infiltrate the leaves. The lesions affect the photosynthesis of the leaves and lead to the late emergence of the cotton seedlings. In severe cases, the sprouts, rot roots, and diseased seedli.......

One: thickening of the lower jaw

If the skin above the breast is thickened or knotted, it means that the breast tumor has spread to the lymph gland.

Two: areola peeling

If there is peeling in the areola range or pain persists for several weeks, it may be a breast ca.......

With the deepening of epidemiological studies, there is increasing evidence of tumor-related genetics. It has been found that in some people and families there is a family aggregation of so-called cancer families or certain cancers. With the progress of research on the molecular biology of.......