dual-purpose type Learn more about dual-purpose type
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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 -
Classification and characteristics of chicken breeds
Classification and characteristics of chicken breeds
2018-07-04 -
Dual-purpose Duck breed-Sichuan Ma Duck
The main results are as follows: (1) the producing area and distribution are small dual-purpose varieties. The central producing areas are located in Mianyang, Wenjiang, Leshan, Yibin, Neijiang, Dachuan and other areas in Sichuan Province, and are widely distributed in rice field producing areas in Sichuan Province. Sichuan sesame duck is precocious and has strong grazing ability. it is the main breed of meat ducks in Sichuan province. (2) the appearance features, the physique is small, the physique is solid and compact, the feathers are tight, and the neck is long and the head shows. Beak orange yellow, beak beans are mostly black, chest developed, prominent. Shins, webbed orange-red. The feather color of the female duck is more miscellaneous, and most of them are hemp brown. Ma-brown female duck
2019-01-16 -
Dry and fresh dual-purpose sharp pepper-kind of spicy king
Through years of efforts, Sichuan Zidu seed Industry Co., Ltd. successfully selected and bred a new variety of dry and fresh special pepper suitable for spring and autumn, protected field and open field in 2004. The main results are as follows: 1 characteristics of early and middle maturity, slender sheep horn pepper, vigorous plant growth, dark green leaves, plant height 55~60cm, development degree 45m 500m; smooth fruit surface, straight pepper strips, green light; fruit length 23~28cm, fruit thick 1.5cm, flesh thickness 0.25c
2019-01-16 -
Standard breed-White Locke Chicken
White Locke Chicken (WhitePlymouthRock) originated from the United States, originally belongs to dual-purpose type, and now it is mainly used for broiler matching maternal line and Cornish paternal line to produce broilers. It is characterized by a single crown, red earlobe, yellow beak, skin and shank and claws, and a large and plump body. The early growth is fast, the chest and leg muscles are well developed, the feathers are white, the carcass is beautiful, and retain a certain level of egg production. Adult standard body weight rooster 4-4.5kg, hen 3-3.5kg, egg production 150-160, eggs
2019-01-16 -
Chunshu No. 5 (Potato)
This variety is a new dual-purpose potato variety bred by Jilin Institute of vegetable and Flower Science with Chunshu 2 as female parent and Ke S2-14-1-12-3-(9) as male parent. Characteristic Chunshu No. 5 has 90-100-day growth days, plant type diffusion, strong growth potential, plant height 50-60 cm, stout stem, triangular type, straight stem wing, few branches, large leaves, yellowish green, white flowers, short stigma, easy to drop buds. The tubers are concentrated, the tubers are flat and round, and the rate of commercial potatoes is high. White potato skin, hemp skin, thin and shallow bud eyes, potato meat
2019-01-16 -
New technology of rice and fish engineering culture
New technology of rice and fish engineering culture
2018-07-10 -
The technology of raising black dolphins in captivity
Black dolphin native to the mountains of Yunnan, is a mammal herbivore, its small size (1.0-1.5 kg), medicine, food dual-purpose fruit. After 3-4 months of feeding, it can be put on the market with a body weight of 0.75 kg. Black dolphin meat is delicious and delicate, easy to digest and absorb, and is regarded as a health-strengthening treasure by the people.
2020-11-08 Artificial farmed black dolphin technical produced in Yunnan -
Factors affecting the mating performance of Duck
Factors affecting the mating performance of Duck
2018-06-30 -
The main factors affecting the breeding performance of Duck
The main factors affecting the breeding performance of Duck
2018-07-01 -
What are the flower languages of geraniums?
What are the flower languages of geraniums?
2019-03-05 -
What is the function of a horse's tail? What are the characteristics of life?
Horse is a kind of herbivorous mammal. In ancient times, it was called Bai Kui, Feihuang, Ji, Luo, Liu. Now we see domesticated breeds. There are great differences in horse body types among different breeds, with heavy breeds reaching more than 2,000 jin and small breeds less than 400 jin.
2020-11-11 Horse of tail have what function life characteristics which horse -
How much is a new imported mechanical flip plow? How much is the specific offer?
The flipping plough is matched by the tractor, and the rise and fall of the plough and the overturning of the plow are controlled by the double distributor. So how much is a new imported mechanical flip plow? How much is the specific offer? According to the reference data, it is found that the prices of different types of overturning ploughs are also different.
2020-11-09 New type import machinery flip plough more less money one can be bought -
Classification of pig breeds and types
China's geographical conditions and ecological environment are diverse and complex, coupled with a long history of pig breeding, under the careful cultivation of the working people, many excellent local breeds have been formed, and their number has reached more than 100. In the 1980s, appropriate integration was carried out to determine the local breeds of China.
2020-11-27 pig breed and type division china geography condition -
Q: what are the breeds of beef cattle introduced from abroad?
Q: what are the breeds of beef cattle introduced from abroad?
2018-07-25 -
What kind of horse is good for riding?
With the improvement of the quality of life, now more and more people like riding and equestrian, and those who have the conditions will want to have their own riding horse, so what kind of riding horse is good? First, what kind of riding horse is good? Each breed of riding horse has its advantages and disadvantages.
2020-11-11 Riding horse what horse what breed good along with living goods -
Introduction of cattle breeds
There are four kinds of cattle: dairy breeds, meat breeds, service breeds and dual-use breeds. Among them, dairy cattle mainly produce milk and dairy products, such as Chinese Holstein cattle, Dutch cattle and so on. Beef cattle mainly produce beef and beef products, such as Heyford cattle and Angus.
2020-11-11 Cow breed introduction cow yes dairy meat -
What are the breeds of cattle
There are many breeds of cattle, mainly for dairy, meat, service and dual use. Dairy cattle mainly produce milk and dairy products, such as Chinese Holstein cattle, Dutch cattle and so on. Beef cattle are mainly used to produce beef and beef products, such as Heyford cattle, Angus cattle,
2020-11-11 There are many breeds of cattle. -
Distribution of producing area of Rosa roxburghii
Distribution of producing area of Rosa roxburghii
2018-07-02 -
The technique of raising miniature Xiang Pig
Miniature Xiang Pig originated in the minority mountainous areas of Yunnan and Guizhou provinces in China. The adult weight is not more than 32-68 kg, the smallest adult boar is only more than 20 kg, and the sow is only 30 kg. The lean meat rate of miniature pig is about 60%, and there is no fishy smell.
2020-11-08 Breeding miniature Xiang Pig of Technology Micro original produced in