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1 Environmental conditions and feeding methods
1.1 Sites with large environmental conditions should be selected far away from towns, villages and human living areas to avoid outside interference as much as possible. There are natural waters and more suitable places where bushes grow.
1.2 Naturally scattered black swan in the case of free-range, water area can be large or small, generally 100 square meters of water can be stocked with 1 pair of geese. A number of emergent plants are planted in the pond. The empty area of ​​the pond can be used as a seasonal rotation for pasture, and some trees are planted for summer shade. A 1.5m high mesh or fence is placed around the free-range area to prevent other animals from entering the disturbance and affecting their growth and reproduction. The pool water should be regularly sterilized. Generally, 50kg of fresh lime powder or 20kg of bleaching powder shall be sprinkled per mu of water surface. When the black swan is in free-range conditions, it is required to artificially break its wings or to manually cut the feather once a year in order to prevent flight. The method of shearing feathers is simple. The specific operation method is to cut 5 to 6 primary feathers after changing feathers every autumn.
1.3 The cage area is 30 square meters and contains a pool of 10 square meters with a water depth of 60cm. Each breed of 1 goose is housed and the pool water should be replaced regularly.
2 Feed standard
2.1 The species of geese feed is mainly concentrated feed (granular pellets available for laying hens), and green fodder (including pasture, vegetables, etc.) is supplemented. When entering the breeding period, 5% of fishmeal and 3% of shell powder must be added to the concentrate to meet its reproductive needs.
2.2 The goose feed requires 70% of the concentrate feed and 30% of green feed in the diet. Concentrates are made from broiler chicken granules with high protein content.
2.3 Young goose Goslings are raised to the age of 4 months and enter the young geese feeding stage. Concentrated feed can be used to feed granular granules from laying hens and green feed is provided for them to feed freely.
Pairing of 3 Gooses
3.1 The free pairing of young geese began to be paired at the age of 18 months into the breeding period, allowing them to freely choose their spouses in free-range areas. Pairs of successful swans can't separate from each other, and the pairing can be considered as successful. The formation of the pairing is relatively stable, and there is a phenomenon of husband and wife.
3.2. Mandatory pairing For swan that hasn't paired successfully with free contingents, you can use the sexual stimulation pairing method to solve the spouse problem by placing the unpaired black swan 1 male and 1 female in the neighboring cage house. They are familiar with each other, if the frequency of the two goose mesh together, nodding to show when they can be placed in cage feeding. After the pairing phenomenon occurs, it can be placed in a free-range breeding area; if it fails, it can be changed once more for male geese. Normally, one can succeed.
4 Breeding work
4.1 Providing nest swan The black swan enters sexual maturity at 20 months of age. At this stage, nesting materials such as dry thatched grass, yew grass, straw, etc. are provided for the free collection of nests to build nests.
4.2 Natural hatching The black swan can spawn after nesting. Generally, the first egg is produced 8 to 15 days after the initial mating, and the next one is produced every other day. Each nest can produce 6 to 7 eggs; if it is allowed to hatch naturally, Need to build a small shed on the top of the nest to shelter from the rain, remember to eliminate human interference during incubation.
4.3 Manual hatching After the first egg is laid, the egg can be removed from the nest and replaced with a dummy egg. After that, the newly produced egg is taken out and finally the dummy egg is removed. Take precautions when taking eggs manually to prevent them from being attacked by swan wings and causing injury. Generally, the second spawning period can be entered every 20 days, and the second nest can be naturally hatched. Eggs can be stored for 4 to 5 days. When the eggs are large, the machine can be used for hatching. The amount of eggs can be manually hatched using simple methods. Generally, it is better to use warm water (hot water bottle) for hatching. Schwing's plan is better for warming hatching. 1 to 15 days for 38°C, 16 to 32 days for 37.5°C, and 33 to 35 days for 36.8°C. After 25 days of development, the eggs are dried once every day for 5 to 8 minutes, and after 32 days, artificial moistening (spraying warm water) is performed. In order to increase the hatching rate of eggs, goslings hatched 35 days.
5 Brooding The swan chicks hatched naturally allow the breeding geese to breed their own broods. The results are ideal. The hatched goose brooding should do the following:
5.1 The temperature is 1 to 7 days from the shell is 35 ~ 32 °C, after the weekly drop 1 ~ 2 °C, gradually reduced to natural temperature, the temperature is appropriate or not depending on the state of the goslings.
5.2 The disease-preventing goslings were injected with 0.5 mL of gosling sera subcutaneously in the neck within 24 hours after hatching.
5.3 After feeding goslings, they can drink warm boiled water 30 hours after hatching, add antibiotics to drink in water for 3 days, feed for 2 hours after drinking, feed 6 to 7 times daily for feeding broiler chicks, and drink water freely.
6 Health and Quarantine Measures
6.1 The culture area is cleaned regularly, kept clean, and disinfected with a disinfectant solution to kill various pathogens. Commonly used disinfectants include quaternary ammonium salts, iodine-containing preparations, etc., and disinfectant drugs should be regularly replaced.
6.2 The use of broad-spectrum antibiotics such as amoxicillin, oxytetracycline, cyproterone, etc., or feeding with Chinese herbicides for 3 days can be used every month during the breeding period to prevent the occurrence of poultry diseases.
Each year, 6.3 gooses were injected intramuscularly with goose plague serum and goose paramyxovirus vaccine once a month in early March.
7 Prevention of Common Diseases The main diseases of the black swan are gosling plague, E.coli disease, goose paramyxovirus disease, fowl cholera, and parasitic diseases. While doing routine work, the black swan's mental state should be observed regularly. To achieve early detection, early isolation, early treatment, symptomatic medication to prevent the spread of poultry disease.
Black swan breeding technology
The black swan is native to Australia and is an important member of the Swan family. It is a famous ornamental bird in the world. The physical characteristics of the body except for the small part of the primary flight feathers are white, the rest of the body feathery dark, backed with wedding flowers like feathers. Bright red, with a V-shaped leucorrhea at the front. Iris red, black, weight 4 ~ 7kg, neck is often "S"-shaped bending, dignified and beautiful body. Its gentle temperament is easy to raise. In our country, we can breed 2 nests each spring and autumn, and we can produce 4 to 5 litters with artificial stimulation of spawning. The number of eggs can reach 30. The black swan's breeding method is simple and its disease resistance is strong. It is a labor-saving and highly effective breeding industry.
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