Aquaculture Lists
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Why should salt be added to the chicken diet?
Chlorine and sodium exist in chicken body fluids, soft tissues and eggs, which can maintain the acid-base balance of chicken body, maintain the balance of osmotic pressure between cells and blood, and maintain a certain amount of water in chicken body tissue. in addition, it is the raw material for the formation of gastric juice and gastric acid, which can promote the activity of digestive enzymes and play an important role in the digestion and absorption of fat and protein. Salt can improve the palatability of diet, promote appetite and improve feed utilization rate. Therefore, salt is both an essential nutrient and a condiment. If in the diet of chickens
2019-01-16 -
Prevention and treatment of common diseases in chickens-selenium deficiency (exudative diathesis)
Selenium deficiency is one of the common trace element deficiency in young chickens, and meat type and dual-purpose type are common. With chest and abdomen, thigh, subjaw, neck subcutaneous loose parts of serous exudation as the main feature, so it is also called exudative quality disease. 1. Lack of selenium in etiological feed is the main cause of this disease. The incidence of the disease was significantly different among breeds. The incidence of the early fast-growing and fast-growing meat type and dual-purpose type was much higher than that of the egg type. The age of the disease was from 14 to 70 days old.
2019-01-16 -
How to reduce the reproductive barrier of pigs?
Reduce the reproductive obstacles of pigs: first, cultivate healthy boars and sows: first, through vaccination or drug prevention, to ensure that boars and sows are not plagued by epidemic diseases, especially pseudorabies, classical swine fever, parvovirus, Japanese encephalitis, and infectious diseases such as chlamydia and eperythrocytes. Second, stage-by-stage management of boars and sows, that is, backup sows, pregnant sows, parturient sows, empty sows, young boars, adult boars, etc., should be nursed according to their respective characteristics and needs. Third, limb and hoof disease of boars and sows and milk of parturient sows.
2019-01-16 -
Diagnosis and treatment of porcine trichiasis
Porcine trichiasis, also known as porcine hair tail nematode, is a parasitic disease caused by hair tail nematode parasitic in the cecum of pigs. The disease is widely distributed and can occur all the year round, which has been a common problem affecting the pig industry for a long time. The disease occurs in both intensive and free-range pigs, especially in some aging and poorly managed pig farms. Piglets are particularly vulnerable to whipworm, and those with severe infection often lead to death. every year, the pig industry suffers huge losses as a result of the disease. The eggs of whipworm are excreted with feces and develop into sensation after about 3 weeks.
2019-01-16 -
Raise Shapi dogs
Shapi has a larger body than ordinary small dogs, and its activity is larger, so in the preparation of feed, there should be more meat, not less than 500 grams per day, and add the same amount of cooked dry material. The meat should be cooked, chopped, mixed with dry vegetarian ingredients and fed with a small amount of water. The feed must be fresh and clean, and the tableware should be cleaned and disinfected regularly. Feed it at a fixed time every day, and limit it to eat well within 15 minutes, and take away the utensils when it is out of date, so that it can develop good eating habits. Every morning and afternoon,
2019-01-16 -
Calyx angustifolia
Celastrusorbiculatavar.punctatus Celastraceae, Genus Celastrus. Habits: semi-evergreen or deciduous shrubs, belonging to stem winding climbing plants, simple leaves alternate, leaves bright green and shiny. Flowers are small axillary Cymes, yellowish green. Capsule globose, orange-yellow, aril bright yellow. The flowering period is from May to June and the fruiting period is from September to October. Adaptability: Yang and Yin tolerance, cold tolerance, drought resistance, fast growth. It is required to be fertile and moist.
2019-01-16 -
Etiological analysis of moldy forage poisoning in rabbits in rainy season
Entering the rainy and humid season, especially in the month, readers around the country have frequent telephone calls, frequent rabbit disease, continuous losses, and most of the symptoms are wilting, tremor, paralysis, paralysis, absurdity, diarrhea and so on. He looked like a coccidia before he died. However, it is comprehensively proved that it is caused by mold poisoning. Because the disease is urgent, the death is quick, the loss is big, and the danger is wide, so I write an article to warn you. 1. Etiological analysis: the month is rainy, hot, hot and humid. If the forage is not stored properly, it is easy to heat, ferment, mildew and produce mycotoxins, especially yellow koji.
2019-01-16 -
The Construction method of Snake House of Golden Ring Snake
Artificial breeding gold ring snake can use snake garden, snake room, a small amount of breeding can be used snake box. The snake garden and snake house of Golden Ring Snake should be built in a secluded place with leeward and sunny, high and dry terrain, dense soil, near water source and far from residential areas. The wild environment of the golden ring snake should be simulated in the snake garden. the wall around the snake garden is 2.5 meters high, the inner wall of the wall should be flattened with cement, the corner of the wall should be built into a circular arc, the wall foundation should be 1.5 meters deep underground, and tamped with concrete at the depth of 1.5 meters of soil to prevent rodents from burrowing and making snakes escape. Snake garden ground
2019-01-16 -
Excision of third eyelid polyp in dogs
Dog third eyelid polyp is also known as "cherry eye". Due to glandular hypertrophy and other reasons, inflammation occurs when the nictitating membrane is flipped from the inside to the outside of the eye, which increases eye secretions and presents symptoms of conjunctivitis. Hypertrophy of superficial nictitating membrane glands is common in clinic. it can occur in one or both eyes. It is a common eye disease in pet surgery. The routine treatment with eye drops, eye ointment and antibiotics often has no effect. The effect of surgical resection is satisfactory and there is no recurrence. In clinical work, surgical resection was performed in more than 20 cases of the disease.
2019-01-16 -
The occurrence and treatment of keratitis in pet dogs
Keratitis is a general term for inflammation of corneal tissue. Corneal opacity (nebula), corneal excrescence, corneal ulcer, corneal perforation and corneal spots are characteristic of all kinds of dogs, but common in small long-haired dogs. 68 cases of keratitis diagnosed and treated since May 2005 were analyzed. Most of them were caused by trauma, foreign bodies, improper drugs and infection, and some of them were unknown. After treatment, 66 cases were cured, the cure rate was 97.06%. Corneal ulcer causes perforation to be difficult to cure. 1 case
2019-01-16 -
Application of Interferon in the treatment of Infectious Canine Hepatitis
Infectious canine hepatitis is an acute septic infectious disease caused by adenovirus. It was characterized by necrosis in the center of hepatic lobule, intranuclear inclusion bodies in hepatic parenchyma cells and cortical cells, and prolonged bleeding time. Infectious canine hepatitis does serious harm to dogs and causes great economic losses to the dog industry. The virus has strong resistance and can survive in the soil for a long time under the condition of low temperature. it still has pathogenicity after 10 to 14 days, and can survive in the dog nest for a long time. Sick dogs and recovered dogs with virus are the source of infection of the disease, and their blood secretions and excretions
2019-01-16 -
Raising dachshund
In terms of feed supply, 150-300 grams of meat and the same amount of cooked dry matter should be fed according to the size of the dog body every day. Meat should be cooked in water, minced and mixed with dry ingredients with a little boiling water before feeding. Feed at the specified time and place, and limit eating within 15-25 minutes. Do not delay time to develop good living habits. Feed must be clean and fresh, dishes such as food basins should be washed frequently, and clean drinking water should be provided. Dachshunds have a special body shape.
2019-01-16 -
Danish red-eyed marten
The Danish red-eyed ferret was introduced from Denmark in 1998. it has large size, bright fur color and high economic value. The poor quality of domestic mink breeding animals and products is not only the direct cause of breeding animals, but also related to the lack of scientific breeding technology. There are some common problems in mink breeding in China, such as insufficient feed input, incomplete nutrition supply, poor breeding environment (such as no shed, no small room, unsanitary feed environment, etc.), poor skin extraction technology and so on. Mink breeding must improve the above shortcomings and produce high quality fur.
2019-01-16 -
Prevention and treatment of mink disease: salmonellosis of raccoon dog
The disease is a disease of raccoon dogs caused by salmonella. 1. The original pathogen of the disease is Salmonella, mainly Salmonella enteritis. 2. Epidemic characteristics the disease has obvious seasonality, which usually occurs from June to August, showing an endemic epidemic, mainly affecting 1-2-month-old raccoon dogs. 3. The latent period of clinical symptoms is 3-20 days. (1) Acute type: the sick raccoon dog refuses to eat, the body temperature rises, and most of the sick minks lie in the small room, arching their back when walking.
2019-01-16 -
Freezing Technology of Frozen Rabbits
1. At present, frozen rabbit processing in China is mostly mechanized or semi-mechanized, and its technological level and sanitary standards have reached international standards. Freezing processing room mainly includes cooling room, refrigerating room and freezing room. The meat cooling room should also be located on the top floor so as to connect with the slaughtering room, which is in turn the refrigerator room and freezing room, while the freezing room should be located on the ground floor so as to be directly shipped or temporarily stored in other processing rooms.
2019-01-16 -
Basic methods for diagnosis of leprosy
The main results are as follows: (1) General examination includes consultation, visual examination, palpation, auscultation, percussion and olfactory examination. (2) autopsy technique autopsy technique is a method of on-site diagnosis according to the pathological changes of the corpse based on the knowledge of pathological anatomy. Autopsy should be carried out as soon as possible after the death of raccoon dogs, and the changes of the corpse should not affect the diagnosis. Autopsy is best carried out in the pathology room of the animal farm. If there are no conditions, it is necessary to perform the autopsy outdoors. Places where the terrain is dry and away from water, roads and houses should be selected and properly handled after the autopsy.
2019-01-16 -
Why do dogs get cramps?
When raising a dog at home, we sometimes encounter dog cramps, which are mainly caused by the following reasons: the most common is heatstroke, the summer climate is hot, if the dog is exposed to the sun for a long time, or if the room temperature is too high and not ventilated, will cause dog heatstroke. In addition, if you keep the dog in the car for a long time when you go out, you may also suffer from heat stroke. These symptoms can cause cramps in dogs. In addition, dogs suffer from serious diseases such as canine distemper, or neurological diseases such as congenital abnormal brain development and canine eclampsia.
2019-01-16 -
What should be noticed in the storage of dried snake venom?
Dried snake venom has strong water absorption and is not heat-resistant. under the influence of high temperature, humidity or sunlight, dried snake venom should deteriorate and lose enzyme activity. Therefore, the following points must be done in order to preserve it for a long time. After weighing ⑴ dried snake venom, it should be put into brown or brown bottle as soon as possible, the bottle mouth should be corked tightly, and then sealed with wax or vacuum oil. For the dry poison of large bottles, in order to minimize unnecessary opening, some can be taken out and encapsulated in sample bottles before sealing, so that they can be checked at any time or meet sporadic small customers.
2019-01-16 -
Special Topics on Silkworm Culture
General situation of Nereid-Clamworm, belonging to annelid phylum, Polychaeta, commonly known as sea worms, sea maggots, sea centipedes, sea leeches. As the object of capture and culture, most of them are large species of genus PerinereisKinberg, NeanthesKinberg and so on. For worm-shaped, silkworm body growth up to more than 10 cm, some species up to more than 20 cm. Cross section orbicular or slightly flattened, with many segments. Separate the body.
2019-01-16 -
The rabbit should be fed five times.
An adult rabbit with a rabbit size of about 3.5 kg needs 150 grams of feed per day, while a young rabbit weighing about 1.75 kilograms needs 100 grams and 150 grams per day. The degree of dryness and wetness of the material is that it is better to squeeze it into a ball and let go. Second, fat and thin rabbits should appropriately reduce the amount of concentrate feeding, increase the feeding of green fodder or coarse feed; supplement nutrition to thin rabbits, feed more concentrate, or feed some soaked soybeans, or rinse the mashed bean dregs with boiling water and mix them in the feed to feed the rabbits. Third, the feces are as dry and wet as rabbit dung.
2019-01-16