1. Add oolong tea powder to the feed of cows, add 0.4% for 10 days of prefeeding, and add 0.5% for 40 days of testing. Dairy cows can double daily milk production compared to conventionally fed cows. Second, add 5%, 10% and 15% of the waste tea to the chicks respectively. After 8 weeks of feed.......

Choosing good fingerlings is the basis for cultivating quality seedlings. The winter and spring season is a good season for the selection of fish species. The following technical points must be taken into account when selecting fish species: Fish age: The age of fish is approximately: 2 years .......

The crop stalks and by-products left behind after cultivation of edible fungi can be obtained through treatment. Generally, 60 kg of bacillary dysentery can be obtained per 100 kg of culture material, and it is better to use mash to feed pigs than rice bran. The nutritional value is relati.......

When interviewed in Shangkou Township, Shouguang City, the vegetable farmer Zhang asked the reporter. His greenhouse was newly constructed this year. The organic content of the soil in the greenhouse is relatively small. I heard that the use of edible fungus production waste is very effect.......

Cattle in livestock are most prone to dystocia, and some dairy cows suffer from paralysis or death due to dystocia, which seriously affects milk production, milk quality, and economic benefits of dairy farmers. There are many causes of dystocia in dairy cows. Can be roughly divided into tw.......

For the survival rate of puppies, there are many influencing factors, such as nutrition, disease, environment, and management, which are described from the management factors as follows: The physiological characteristics of puppies and the practice of raising rabbits confirm that puppies need .......

Compared with most other crops, the particularity of tobacco leaves is that it harvests the leaves. Tobacco leaves are the roots of tobacco plants that are constantly absorbing nutrients and moisture from the soil. Therefore, in order to cultivate good quality tobacco leaves, water and fer.......