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Why can't the body color of yellow croaker turn yellow in running water culture?
Why can't the body color of yellow croaker turn yellow in running water culture?
2018-07-11 -
What if you sweat and stink in summer? What about the bad smell?
Everyone has apocrine glands, everyone has bacteria, why only a few people have body odor? Why is it that some people can be cured by body odor, while others are as difficult as climbing into the sky? How can we say goodbye to body odor?! Bothered by body odor, I dare not raise my head and hold my chest out.
2018-07-30 -
Changes of characteristics of cultured Pelteobagrus fulvidraco and its relationship with feed
Changes of characteristics of cultured Pelteobagrus fulvidraco and its relationship with feed
2018-07-11 -
Improvement of body color of adult eel
Eel body color plays an important role in sales. Raising eels with good body color is eagerly expected by all farmers, and it is also a subject that many feed factories have been exploring. In order to solve the problem of eel body color, we must first understand the causes and influencing factors of eel body color. The body color of eel is mainly caused by many factors, such as carotenoid, melanin, pterin and guanine. Factors affecting the body color of eel 1. Oils and antioxidants in feed
2019-01-16 -
Methods to improve the body color of adult eel
Eel body color plays an important role in sales. Raising eels with good body color is eagerly expected by all farmers, and it is also a subject that many feed factories have been exploring. In order to solve the problem of eel body color, we must first understand the causes and influencing factors of eel body color. The body color of eel is mainly caused by many factors, such as carotenoid, melanin, pterin and guanine. Factors affecting the body color of eel 1. In feed
2019-01-16 -
List of commonly used drugs for pig disease: what are the commonly used drugs for pig disease? Compatibility of common medicines and injections for swine disease
Zhejiang Zhoushan Veterinary Drug Store has newly opened and is in urgent need of commonly used pig medicine. Veterinary drug manufacturers or distributors are welcome to contact us.
2018-07-11 -
Get rid of body odor and have a perfect summer
Friends with body odor will not only cause trouble to their own life, but also bring invisible pressure to the heart. In the eyes of others, the taste is also a little unbearable. I just want to cover my nose and catch my breath and take a breath of fresh air. But...
2018-08-07 -
How to identify the quality of fish species in aquaculture
Strong fish species is not only an important basis for increasing adult fish production, but also one of the main conditions to improve the survival rate of fish species. The main standards for identifying the quality of fish species are 5.
2019-02-26 -
Environmental stress in pigs
Stress is the sum of the nonspecific responses of an organism to various unusual stimuli. Environmental factors that can cause stress response are called stressors or stress factors. Pigs are stimulated by environmental factors, but the form of reaction is different, general stimulation causes specific reaction of the body, such as cold in winter, pigs gather together; hot in summer, evacuation and other phenomena. Some stimuli (stressors) not only cause specific reactions, but also cause non-specific reactions, namely stress reactions, which are manifested as follows:
2019-01-16 -
How to identify the quality of fish species
First, to see whether the specifications are uniform of the same kind of fish, those who come out of the pond with uniform specifications are generally more physically fit. Second, to see if the fish is glossy and strong, there is a layer of mucus on the body surface of the fish to protect the scales and skin from germs, so the body surface shows a certain luster. On the other hand, the body surface of sick and injured fish is lack of mucus and no luster, or some diseased fish have too much mucus and lose their luster. Third, the body color of the fish species reflects its advantages and disadvantages through the body color of the fish species. The body surfaces of high-quality fish species are respectively:
2019-01-15 -
How to distinguish high-quality fish species
A look at the specifications of fish species the specifications of the same kind of fish in the same pond should be neat and uniform, with little difference in body length and weight. On the contrary, the overall survival rate of poor fish species with large individual gap and uneven quality is often very low due to predation, mixed germplasm, poor feeding and other reasons. Second, look at the body color of fish species. The body color of fish species is bright and full of luster. Different species and different feeding methods have different body colors. Generally speaking, the back of high quality silver carp should be silver gray, the side of body and abdomen should be silver white, and the body color of high quality grass carp should be light.
2019-01-16 -
Will leeches get into the body?
Will leeches get into the body?
2018-09-07 -
Symptoms of African classical swine fever in sows
On the first day, the body temperature was about 38.5 ℃, and the appetite decreased. The next day: the body temperature rose to more than 40 ℃, lying on the ground can not afford, the whole body trembling, ear tips are reddish purple, belly red, feces relatively dry. The third day: the body temperature is about 40 ℃, the rim of the eye is red, the belly
2020-11-08 Sow infection Africa Classical Swine Fever symptoms Summary Day 1 -
What are the species of grouper?
What are the species of grouper?
2018-09-08 -
Prevention and treatment of red body disease of Penaeus vannamei
Prevention and treatment of red body disease of Penaeus vannamei
2018-07-10 -
Symptoms of several major diseases of Pleurotus ostreatus
The main results are as follows: (1) White rot: the pathogen is verrucosporium, which harms the fruiting body and causes decay and rotten smell after mushroom body pollution. (2) Brown spot: the pathogen is Trichoderma verticillarum. After its spores infect the fruiting body of Pleurotus ostreatus, brown spots are formed on the cover, which gradually expand and produce gray-white depressions. After the damage of the mushroom body, it becomes deformed, the stalk of the mushroom is swollen or curved, but does not rot, and finally dries up and dies. (3) Mucor soft rot: the pathogen is Mucor. Generally occurs when the fruiting body is fully mature.
2019-01-16 -
A complete collection of pictures of medicinal leeches
A complete collection of pictures of medicinal leeches
2018-07-07 -
The harm of pesticides to human body
Now there are many vegetables will be hit with some pesticides, if the vegetables residual pesticides, will produce a series of harm to the human body, then what is the harm of pesticides to the human body? 1. Easily lead to obesity when the liver is unable to detoxify toxic substances, use fat
2020-11-08 Pesticides yes human body harmful now there are many Xu -
To identify fish species by observing their faces and colors.
A look at the specifications of fish species the specifications of the same kind of fish in the same pond should be neat and uniform, with little difference in body length and weight. On the contrary, the overall survival rate of poor fish species with large individual gap and uneven quality is often very low due to predation, mixed germplasm, poor feeding and other reasons. Second, look at the body color of fish species. The body color of fish species is bright and full of luster. Generally speaking, the back of high-quality silver carp should be silver-gray, the side of the body and abdomen should be silver-white, and the body color of high-quality grass carp should be light golden yellow and gray-black net.
2019-01-16 -
How to judge the health of cattle by their body temperature
How to judge the health of cattle by their body temperature
2018-08-09