At present, the main breeding methods for tilapia include ponds, flowing water, cages, seawater and paddy fields. Here mainly introduces the pond cultivation method.
1, fish pond conditions: First of all to tell you about the conditions of the fish pond: Tilapia resistant to hypoxi…
1. Before artificial insemination, employees should have a clear division of labor (preferably a fixed pattern).
2. Bring the insemination equipment, such as the vas deferens, scissors, lubricants, toilet paper, etc., into a clean carton or tool box.
3, Semen (previously us…
1, physiological characteristics
At this stage, the cow has been aborted. In the early stages of pregnancy, the nutritional needs of young cows differ slightly from those before their mating. But four months before delivery, the growth of the embryo is very rapid and the nutritive …
papaya. Vitamin C content is about twice that of oranges. Gallbladder disease can be prevented, and the prevalence of this disease in women is twice that of men. A medium-sized papaya contains 188 mg of vitamin C and only 119 calories.
Flax seeds. Bakers like to use this nutty seed…
Calcium deficiency, especially female calcium deficiency, has become a major global health problem. To make up for calcium, apart from taking medicine, the most important thing is Sibu. Recently, the United States Yahoo Women's Network published an article published by the nutrition ex…
Generally speaking, tea trees will suffer from hot and dry symptoms such as focal spot, burnt leaves, and atrophy of tips and shoots after 8-10 days in high-temperature and dry weather. Especially young tea gardens are more serious and should be prevented and remedied as soon as possible. …
1 timely management of pomegranate irrigation should grasp …
Release date: 2010-09-02
In the future, patients will not only be more convenient and effective in doing CT, but radiation may also be grea…