Due to the continuous rainy weather in recent days, anthrax and black spot disease have occurred in some of the date gardens, prompting timely prevention and treatment of the date farmers.
Anthracnose mainly damages the fruit and forms brown to dark brown depressed spots on the fru.......
(A) Fermentation of grazing corn stalks. Calculated according to the fermentation of 100 kg of straw feed: (1) 0.2 kg of straw biological preparation was added to 30 kg of corn bran and stirred evenly; (2) Corn bran mixed with biological preparation was added and then added to 69.8 kg of s.......
1. Selection and breeding of antibacterial feed crop varieties
Different feed crop varieties have different susceptibility to mold, so breeding antibacterial varieties can significantly reduce the chance of the feed crop being infected by mold. This is also the fundamental approach.......
According to sampling analysis of soybean leaves, soybean leaves with water content of 11.9% contained crude protein as high as 18%, lysine as 1%, and methionine and cystine as high as 103 g per kilogram of crude protein. This is not what wheat bran and fine rice bran are. It is estimated .......
Box-type resistance furnace and 6 characteristics of box-type resistance furnace are suitable for metallographic analysis, metal heat treatment and glass firing of college laboratories, research institutes, factories, etc.; box-type resistance furnaces are also.......
There are many ways of economical hybridization for pigs, each with its own advantages and disadvantages. Here are three ways commonly used in economic hybrids.
1. Hybrids of two varieties
Hybrids of two varieties are also called binary hybrids, and the hybrids obtained are.......
Pig farmers who do not understand the fermentation bed often have such a misunderstanding: that is, summer pigs, fermentation beds can not be! In summer, the temperature is high, and the fermentation bed, as the name implies, needs fermentation, and it must produce .......
To cultivate strawberry seedlings, it is necessary to understand the habits of strawberries that are cool and insensitive to high temperatures and droughts. If the summer is poorly managed, the plants will suffer serious physiological disorders and even cause massive deaths. The main measu.......
Look at body color. Good fish fry have the same group of pigments, and their body color is fresh; poor fish fry have different pigment groups and their body color is slightly white.
Second look at the composition of groups. Good fry were tidy, plump, smooth and not muddy, swimming .......
The farmers in the Beijing suburbs dialed the 12396 hotline for consultation. Many broiler chicks in the breeding sheds were found to have feathered feathers, which caused the death of some chickens. What should I do? The hotline breeding expert Liu Huagui researcher answers the following .......
The body weight gains faster before 40 weeks of age, and the average daily weight gain of 24 to 40 weeks is 2-4 grams; thereafter, the weight gain rate is relatively balanced and increases slightly. If the weight is reduced during the peak period of egg production, it means that the reserv.......
Green fodder is rich in protein, minerals and vitamins, and it has a good effect on the growth and development of chickens. However, when using green fodder to feed chickens, the following issues must be addressed:
1. The control of fresh green feed has good palatability and the ch.......