Snake feed and its preparation
The animal food eaten by various snakes must be related to the environment in which they live, which is related to the geographical distribution of small animals. For example, snakes on land eat a wide range of food, such as insects and their larvae, fish, frogs, snakes, birds, rabbits, and so on, while snakes living in the sea feed on marine fish. Even if the same kind of snake is in different regions and in different seasons, the eating habits of adults and larvae are different. Providing rich food is the key to raising snakes. The food of wide-eating snakes should be diversified, so some live frogs, rodents, fish and lizards should be put in regularly.
Feeding young snakes with artificial compound feed can speed up the weight gain of young snakes. Feed configuration: 150 grams of livestock and poultry meat or animal scraps are processed into mashed meat with a meat grinder (can also be a dead big toad or mouse). Add 150 grams of egg liquid, 150 grams of soybean powder, 50 grams of cold boiled water, three tablets of compound vitamin B and five tablets of oxytetracycline, mix well and mix them into a thick paste. According to the nutritional needs of snakes, artificial snake bait requires that the content of crude protein is more than 19%, the content of crude fiber is less than 1.5%, the content of calcium is more than 0.6%, the content of phosphorus is more than 0.5%, the content of other inorganic salts is less than 4%, vitamin An is 3500 international units / kg, vitamin D2 is 440 international units / kg, moisture is less than 62%, and other trace ingredients are added, which is beneficial to the growth and development of snakes. Feed materials mainly include: livestock and poultry and other animal meat, wheat bran, fish meal, blood meal, water and other raw materials. The processing method is to cut the animal meat into powder, stir it into pulp and cook it. Then all the raw materials were mixed and stirred evenly, then puffed, and after cooling, the relevant drugs were added for use. The nutritional needs of snakes vary from breed to breed, and their composition should be adjusted according to the growth and development of snakes. Artificial feed can be poured into casings and fed to snakes in the form of sausages.
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The world's first cloned dog was born.
South Korean scientist Hwang Woo-suk revealed in the recent publication of the journal Nature that his team has successfully bred the world's first cloned dog, Snape. Dog cloning has always been a difficulty in the field of cloning technology. the reason is that dogs only have two estrus a year, and waiting for dogs to ovulate naturally is the only way to get their eggs. On the other hand, when the dog ovulates, the ovary is in the early stage of development and finally matures at the end of the fallopian tube, so it is very difficult to successfully extract high-quality dog eggs. The value of cloned dogs in medical research
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Necrobacillosis of deer is a chronic infectious disease caused by Necrobacillosis, which is usually caused by skin and mucosal wound infection. Necrotic disease is common in clinic, sometimes it can be transferred to liver, lung and other organs to form lesions, necrotic pneumonia and purulent hepatitis occur. If treatment is not timely, it often causes a large number of deaths. It is one of the most serious infectious diseases endangering deer farming. 1 Pathogenic characteristics: Necrobacilli, mainly divided into A and AB types, Gram stain negative, mostly long filiform, no flagella, unable to move, do not form buds
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