Freshwater sharks _6361

e707004304

Freshwater Shark

Nature, without protruding and flat by the female. In addition, also based on body size and shape characteristics of the first comprehensive to be distinguished. Head is big and round, big body who is female; small pointed head shape, body shape is also small, mostly male. 2. Feeding and management mynah mynah larger body, physically fit, strong mouth, and lively, so the cage should be strong, to use a large bamboo basket dedicated mynah or metal cage, but also to light at the end, under the care fecal board. Mynah larger appetite, food cans and water tanks cage should be larger and to set a soft food cans. Mynah feed are two types of pellets, usually with eggs, rice, millet-based, or feeding the market for sale special compound mynah pellets. Can also be used chickens, laying hens feed. The other is the soft material, the minced meat, boiled eggs, rice and mixed fabrics, mixed with feed and fruits. Daily feeding of soft materials 1 to l ~ 2 hours to finish as appropriate. Mynah belly, and thin soft stool and more, a daily cleaning. Also, clean the tank every day, food cans, for fresh drinking water. Mynah like water bath, the summer should be a daily supply of bath water, let the water bath. Other seasons, as weather conditions and indoor temperature. The water bath when the cage on the shallow basin, the water depth to drown right hamstring and abdominal feathers appropriate access to water, left to its own bath. Cage will be placed in a warm bath and a sunny leeward areas, as soon as possible to the body and the feathers dry. Mynah produced in the southern warm climates, relatively cold, the winter temperature should be maintained at more than 5cc, keep warm, at best clothes cast cage. Mynah cowardly fear of panic and love quiet, do not go out Liuniao. To go out Liuniao should be gradually adapted to the external environment, the adaptive training, to avoid frightened. Mynah breeding should be hanging in the cage of a fresh water shark. Su's Garden, also known as fish belly Mountain, Badin fish,[link widoczny dla zalogowanych], commonly known as tiger sharks, mainly in Southeast Asia, originating in Malaysia,[link widoczny dla zalogowanych], Thailand, China was introduced in 1998. Freshwater shark breeding technique is simple, feed less demanding, tender meat and delicious, with significant economic benefits (value of commercial fish market price of 60 ~ 80 Yuan / kg), fresh water can be used as food fish except sharks, there is a high ornamental value, and The cartilage contains a high nutritional value and medicinal value of chondroitin sulfate. Freshwater aquaculture in China better varieties. Freshwater sharks in southern China now has set off a breeding boom. In the next few years will continue to show good market prospects. Scaleless freshwater sharks,[link widoczny dla zalogowanych], smooth surface, sub-black, white and gray in color, turn | dagger pro-agriculture, II, 2005 7 capsule set bamboo mat flat side of the body length, back elevated, flat, conical head, a short kiss, mouth sub- lower, after nose distance, gill membranes not connected with the cheek. With the adipose fin, to be 2 pairs, chin beard, and mouth to be the one pair, lateral line straight. Juvenile side of the body 3 to 4 longitudinal blue stripes, stripes disappear into the fish. Large swim bladder, with secondary air-breathing capabilities. Not easy to hypoxia, in the same pool of carp polyculture of oxygen dies, still normal survival. Freshwater tropical fish, sharks, hi benthic life, suitable for life, temperature 20 ~ 30cc, the best is 24 ~ 28cc. Suitable pH 6 to 7.2, the water temperature is lower than 12cc began to die, the water temperature dropped to 18. c below the amount of food intake and activity significantly decreased in winter in northern China can not be natural, suitable for the south or warm shed, indoor culture, fast growth, generally 1 year up to 11 kilograms. Freshwater shark ability to adapt to the environment, the ability of hypoxia, swimming, but timid, when disturbed by outside non-stop channeling jump in the water,[link widoczny dla zalogowanych], the culture environment should be quiet. Freshwater shark feeding is mainly omnivorous to herbivorous, juveniles in plankton such as rotifers, copepods, cladocerans or a variety of algae, can also be fed artificial feed, aquatic plants into fish Zeyi and artificial diet for food, and eating leftovers, rice bran, wheat bran and residual feed and so on. If there is no specific artificial feed, can substitute tilapia feed can also be fed pig manure, chicken manure, duck manure and so on. Freshwater sharks late sexual maturity, it generally takes 3 to 4 age, weighing 3 kg or more to reproduce. For the breeding season from June to September each year. 1 is a 1 year spawning fish, spawning every 30 million to the end of 700,000,[link widoczny dla zalogowanych], eggs small, sticky, yellow-green, was transparent. After the introduction of freshwater sharks, has shown huge market potential. Currently still in Guangdong, Hainan and other southern provinces are more cultured, Hubei, Jiangsu, Sichuan, Chongqing, Zhejiang and other provinces have also been the breeding, but the scale of farming are to be improved. Fish in northern China can not be the natural result of the winter, so the only part of the season in some areas to sport fishing based. From the nutritional value and other considerations, fresh water sharks in the coming years will remain active in the seafood market, and will be more and more accepted by consumers. (Jianghai Zhou Sheng members)