Birds : anser : anatidae > anser indicus
Contents
No. 1
  anser indicus latham, the world's highest flying bird
  Alias: bald Yan
  English name: bar-headed goose
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Outline
  Bar-headed Goose, Anseriformes, ducks, geese belong to. A wild goose, because there are two black stripe head is named. Its shape, such as geese, weighing 2500-3500 grams, with long orange-red mouth, black lips, orange-red legs and feet, brown and Yuchi, Iris - brown; mouth - light yellow, sharp-tongued black; feet - orange. Up to 8,000 meters altitude, flying 300-500 km per day, birds flying level athletes. The dependence of bar-headed geese on the water than other small birds, the staple food of various grasses, but also eat a small amount of shellfish and other invertebrates. Bar-headed Goose is generally in mid-April on mating in the water, spawning four per litter, up to 10, each chop weighing about 300 grams. Incubation period of 28 days, 2 hours after the young geese hatched birds can be as pro-active.
  Smaller body than the geese, the male goose body length not exceeding 850 mm, female goose length of not more than 750 mm, the neck is shorter than the geese; male and female plumage color similar. Head dirty white, with black spots during the first two instances, neck Anhe, both sides of the neck white; upper body mostly grayish brown, light brown or the white feather edge; chin and throat dirty white; anterior cervical Gampsocleis to changed to gray, feather edge lighter, lower abdomen and under tail coverts dirty white; threatening dark gray feathers, dark maroon with a broad feather-side spot.
  Breeding areas in the highland lakes. Bar-headed Goose in the water match. Choose to nest after mating began. Nest was discoid, slightly higher than the ground, and algae within the shop stem fragments. Nest density is high. 1960 breeding season, Bird Island in Qinghai Lake has more than 750 geese on the nest. 2 to 8 eggs per litter. Female incubation, incubation period 29 days. Chicks after about 70 days to grow into adult birds.
  . Bar-headed geese molt from mid-July, for all the feathers off first, thus losing the ability to fly. At this time, they are concentrated in the plants lush, deserted bays. Moulting period of about 1 month. Migration began in September, Sichuan, Yunnan and northern India and Myanmar winter.
  Bar-headed Goose loyal love, and out in pairs, once widowed, would no longer marry, form a "Lone Wild Goose."
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Distribution
  Breeding in Central Asia, northern India and Burma in the winter. Habitat in lakes, swamps. Habitat in the Qinghai-Tibet Plateau height of up to about 4800 m above sea level. Migration rows arranged in "a" shape or "human" shape. Cluster life. Main feeding weeds, plant seeds and roots and a little aquatic insects. Qinghai-Tibet Plateau from May to August is the breeding season. Milton nest on the island and on the ground. 4-9 pieces of eggs per litter, up to 12. Mainly by the female hatch.
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Distribution
  Breeding in the north and China very Qinghai, Tibet plateau marshes and mud, winter migration to central China, southern Tibet and Yunnan-Guizhou Plateau. Found in foreign countries such as India and Bengal.
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Habits
  Alkali-resistant cold desert lake geese. Wintering in freshwater lakes.
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Characteristics of Bar-headed Goose
  Large body of meat, easy feeding, may have domesticated as poultry meat on the plateau, nomads in Tibet and Qinghai had a small amount of feeding. As hunting and picking up eggs, significantly reduced the population. The current state of Bird Island in Qinghai Lake nature reserve established specifically to protect this bird resources.
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Bar-headed Goose off birth and feeding techniques
  Although a simple bar-headed geese feeding, breeding more profitable, but bar-headed geese low reproductive rate, egg production period is short, so how to extend the non-egg laying period and season to reduce costs is to obtain the key to high profits. The breeding company after three years of practice, worked out a _set_ of bar-headed geese off date of the farming methods.
  1 to change the water to keep the surface dry farming, although with a raised bar-headed geese can reduce the cleaning effort, but will lead to water pollution, smelly black water in summer and autumn, seriously affecting the health of bar-headed goose. Therefore, we should break in their post-July, draining, cleaning and disinfection of ponds, then the appropriate fish, keep water lettuce and other food for the bar-headed geese. Go to a cool bar-headed geese at this time than can be kept dry duck (cut to the side wings), to January 2 kinds of 1 month before egg-laying goose, goose and then into water to keep species.
  2 stop light, green material bar-headed geese to feed normally begin in December in the year to add night lighting to stimulate egg production, but that should stop the light off after childbirth, to prevent the spring does not produce or less egg production. In addition, off-production period, the bar-headed geese in order to prevent obesity, can be expected to feed mainly green, save feed costs. Conditions should be arranged in the autumn before planting grass.
  3 for each species, save the use of bar-headed geese feed only 3-6 months each year, egg, and other characteristics of the month for the growing season, when the species of goose eggs after the last batch of finished products, in addition to leaving some of the kinds of geese outside the high yield and quality , when the goods should be all geese for sale. When the end of April after the last batch of Xiaoyan hatched hatching, breeding a number of development when the species of geese retained good Xiaoyan, feeding 9-10 months to 2 years just after the spring, when this group of bar-headed geese have been sexually mature and begin laying. As Xiaoyan from the hatched egg used to all kinds of egg-laying geese forage is less than half the feed used, it can greatly reduce feed.
  4. To improve health, although disease resistance and vaccination bar-headed geese, little sick, but domesticated, the serious environmental pollution, decreased immunity, coupled with cross-infection of poultry, it greatly increased the incidence of, and should therefore be in the off- date of vaccination do. Needed, mainly duck plague vaccine, cholera bivalent vaccine, E. coli vaccine and other types of primary vaccine. Yan homes while also pick a good health, regular disinfection. Farming with the water in the summer should also change the water and clear water, fecal sludge, disinfect the reservoir.
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Bar-headed Goose value of the goods
  Bar-headed Goose mainly in Northwest China, Southwest and other places, flying south in autumn and winter in groups, activities in the south more water swamps, lakes, plains and mountains, valleys, plant-based food, is a typical cluster of herbivorous water birds. Artificial breeding, and take off the wings stocking, can be large grazing on grass, rice stubble, etc., can be achieved without feeding into the wild about 4-5 kg ​​level during the breeding period (3-6 months) due to increase number of sperm feed can be. Although the bar-headed goose's reproduction rate lower than poultry, but the strong performance of its herbivorous, feeding into a goose weighing 5 kg lifetime consumption of only 3-4 kg of concentrate.
  Wild bar-headed goose egg is generally 4 years to a male with a female, 3-6 years, pieces of egg. The 4-5 generation of _select_ion of artificial breeding domesticated, breed a new generation of bar-headed geese can effectively change the next four years to the wild egg situation, usually for nine months can become sexually mature, egg production was also greatly improved, up to 20-30 pieces.
  Bar-headed Goose adaptability to the environment, is more resistant than the domestic goose, easy to raise. Xiaoyan slower growth than the domestic goose, general support for three months to 3.5 kilograms is the product long geese, the cost of only 8 yuan.
  Bar-headed Goose high value of the goods, the market prospect is broad. In Guangzhou, Hotel Restaurant Bar-headed Goose acquisition of domestic purebred, each more than $ 350-400 price is also very sought-after. In Fuzhou, Shanghai, Beijing and other places poultry wholesale market, 2.5-3 kg per kg price of bar-headed geese in 60-80 dollars, but also price is not available.
  Because life rarely get sick bar-headed geese, usually generally no need to use antibiotics, so the meat is not fresh, fragrant, as well as natural health green reputation, a popular hotel of the best.
  Bar-headed Goose breeding in China is still in a blank state, is just begin to train special poultry, seeds and seedlings are extremely scarce, so whether international or domestic, has a huge consumer market of goods, the development of artificial breeding of bar-headed goose, its prospects are bright.
  Bar-headed Goose is the Qinghai-Tibet Plateau characteristics of species, is a goose-shaped section class, second class state protection for the animals, bar-headed geese have abandoned egg habit.
  Bar-headed Goose mainly in Northwest China, Southwest and other places, flying south in autumn and winter in groups, activities and more water in the southern marshes, lakes, plains and mountains, valleys, plant-based food, is a typical cluster of herbivorous water birds. Artificial breeding, and take off the wings stocking, can be large grazing on grass, rice stubble, etc., can be achieved without feeding into the wild about 4-5 kg ​​level during the breeding period (3-6 months) due to increase number of sperm feed can be. Although the bar-headed goose's reproduction rate lower than poultry, but the strong performance of its herbivorous, feeding into a goose weighing 5 kg lifetime consumption of only 3-4 kg of concentrate.
  Wild bar-headed goose egg is generally 4 years to a male with a female, 3-6 years, pieces of egg. The 4-5 generation of _select_ion of artificial breeding domesticated, breed a new generation of bar-headed geese can effectively change the next four years to the wild egg situation, usually for nine months can become sexually mature, egg production was also greatly improved, up to 20-30 pieces.
  Bar-headed goose and domestic goose feeding method is basically the same, mainly to grazing, as long as the grass where you can keep. Can take full advantage of feeding the wild hills, the orchards grazing, do not build homes. With water or water of the pond, surrounded by nylon mesh or use a 2-meter-high wooden fence around, let the natural stocking. Natural stocking of the bar-headed geese to cut the side wings, to prevent fly away. In places without water, can be used to the old house in captivity. Just a day cut the grass or a certain amount of chopped fruit, fruit leather for the feed, the bar-headed goose egg in the morning just to add a small amount of fine material can be. In rural areas, where the slack can take advantage of growing ryegrass, chicory, Russia, feed dishes, feed corn and other forage for feeding, usually every 667 square meters (1 acre) grass can be raised only in the 60-70 geese.
  The species has been included in the State Forestry Administration, August 1, 2000 release of "The State protects the beneficial or of important economic or scientific value of terrestrial animal species."
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Encyclopedia
  bantouyan
  Bar-headed Goose
  Anser indicus; bar-headed goose
  Anseriformes ducks geese genus 1 species. Also known as white-headed goose, black lines Touyan. Endemic to China, mainly distributed in Qinghai-Tibet Plateau.
  Smaller body than the geese, the male goose body length not exceeding 850 mm, female goose length of not more than 750 mm, the neck is shorter than the geese; male and female plumage color similar. Head dirty white, with black spots during the first two instances, neck Anhe, both sides of the neck white; upper body mostly grayish brown, light brown or the white feather edge; chin and throat dirty white; anterior cervical Gampsocleis to changed to gray, feather edge lighter, lower abdomen and under tail coverts dirty white; threatening dark gray feathers, dark maroon with a broad feather-side spot.
  Breeding areas in the highland lakes. Bar-headed Goose in the water match. Choose to nest after mating began. Nest was discoid, slightly higher than the ground, and algae within the shop stem fragments. Nest density is high. 1960 breeding season, Bird Island in Qinghai Lake has more than 750 geese on the nest. 2 to 8 eggs per litter. Female incubation, incubation period 29 days. Chicks after about 70 days to grow into adult birds.
  Bar-headed geese molt from mid-July, for all the feathers off first, thus losing the ability to fly. At this time, they are concentrated in the plants lush, deserted bays. Moulting period of about 1 month. Migration began in September, Sichuan, Yunnan and northern India and Myanmar winter.
  (Zheng as new)
    
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English Expression
  1. n.:  anser indicus
Containing Phrases
anser indicus That's ... for you !Anser indicus commodity consequenceAnser indicus cease Perinatal Breed technology