The black porpoise, formerly known as the Dolphin, is a small mammal with a black body. Black dolphin fur is a raw material for high-grade suede clothing and craft accessories; dolphins, testicles, and gallbladder and blood are raw materials for drugs; dolphins not only have the advantages of high protein, low fat, and low cholesterol, but also rich in vitamins, trace elements, and melanin. Preparation of feeding sites Black dolphins can be kept in captivity or in cages. Family farming generally adopts cage-type three-dimensional culture. There are no restrictions on the size of the house where black dolphins are raised. The cage can be designed according to the house. It is generally 35 cm high, 60 cm long and 45 cm wide. Before stocking the black porpoise, the house was sprayed with potassium permanganate solution at a concentration of 0.02%. The feeding habit of Chinese black porpoise is very wide. It is a herbivorous animal that mainly feeds on green feed. Weeds, leaves, straw, and vegetables are all food sources. In order to promote the growth of black dolphins, it is also necessary to feed some full-priced mixed feeds, and the composition is similar to rabbit feed. Such as self-made mixed feed, the ratio of its raw materials: corn powder 40%, 10% of corn flour, bran 30%, peanut shell powder 15%, 2% of fish meal, bone meal 2%, salt 1%. The feed is made into pellets or mixed with water to make a wet feed. Health management Black dolphins love to be clean, whether in captivity or in cages, they should do a good job in the sanitation of the breeding room, regularly clean the food trough, prevent food mildew, ensure the freshness of feed and drinking water, and eliminate feed and drinking water such as wild mice and quail. Pollution. Breeding black porpoise is sexually mature. Generally female dolphins 35-45 days old, male dolphins have sexual characteristics at 70 days of age, but the female dolphins are best to breed after 70 days of age. The female dolphins have a sex cycle of 16 days, and estrus duration is 1-18 hours with an average of 9 hours. Female dolphins are 56-68 days pregnant, and the number of plagues is 3-5, and more than 6-9. During pregnancy, in addition to increasing the quantity and quality of feed, the site should be kept quiet and clean, and casual workers should not be allowed to enter and leave at random. To ensure that the ration is fresh, eat less meals. In late pregnancy, hay is placed in cages to allow female dolphin nests to be delivered. The suckling black dolphins are 15 days in summer and 20 days in winter. Breastfeeding should increase feed nutrition of female dolphins. The black porpoise has a high reproduction rate and strong immunity. The breeding dolphins have a useful life of 3 years and do not require immunization and drug control during the breeding process.
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