Hongze Lake Goose Highly Efficient Breeding Technology

At present, the production of geese in Hongze County, Jiangsu Province is in a state of large-scale breeding and tens of thousands of households living together in a decentralized manner. Compared with other breeding projects, the traditional feeding mode still dominates the production of geese. The reason is that the advanced animal husbandry scientific and technological achievements have not been fully applied to the production of geese, which has seriously affected the production level and economic efficiency of geese. . In view of the current status of production of geese, focusing on improving the technical level and economic efficiency of geese, we have chosen six key practical technologies for promotion and achieved certain benefits.

First, planting grass and raising goose and straw feed goose technology

Goose is a grass-eating poultry. Making full use of natural grassland resources for grazing is an effective way to reduce the cost of feeding geese and improve economic efficiency. With the restrictions of the relevant departmental management systems and the intensification of environmental pollution, there are fewer and fewer natural grasslands available for use, and the space for geese to grazing is getting smaller and smaller.耍 菅 菅 菅 焓 焓 焓 焓 焓 焓 焓 焓 焓 焓 焓 焓 焓 焓 焓 焓 焓 焓 焓 氐阃 氐阃 氐阃 氐阃 氐阃 氐阃 氐阃 氐阃 氐阃 氐阃 氐阃 萜 萜 萜 萜 萜 萜 萜 诼蟛荨.噍げ恕14.摹哲摹14。酆喜酆(19)匣ㄜ俎5取?/P>

Straw is the remaining part of the harvest after the crop is harvested, and the stock in the rural area is very large. Passing straw back to the field is an effective measure to make full use of straw resources and reduce environmental pollution. Although the utilization of cellulose by goose can reach 40% to 50%, the digestibility of cellulose with a high degree of lignification is significantly reduced. The crude fiber content of the straw powder is as high as 30% to 45%, and the degree of lignification is high. It is evenly mixed with the straw feed biological preparation (cellulose complex enzyme) and the appropriate amount of water, and the fermentation is carried out in a closed tank and cement tank for a certain period of time. The feed is fed in a certain proportion. In the absence of green forage in winter, it can replace a part of concentrate, reduce the cost of raising geese, and increase the efficiency of raising geese.

Second, warm brooding and online brooding technology

Since brooding is a kind of brooding method adopted by the geese family, the young goose is placed in a brooding device with litter, covered with sacks, cotton blankets, old clothes and other insulation, and the thermal insulation is increased or decreased depending on the climate change. Things. The advantages of this method are that the equipment is simple, no energy supply is required, and the container is easy to move; the disadvantages are unstable temperature control, non-circulating air, high humidity, and high labor intensity. Goslings have high susceptibility to colds, morbidity, and mortality. The use of warming plates, infrared lamps, coal stoves, underground flue or fire pits, hot stoves and other ways of warming brood can overcome this series of drawbacks and meet the needs of large-scale brooding.

Online brooding is a more advanced form of brooding. At present, geese households generally adopt litter raising and brooding, and goslings and litter and feces are easily infected after contact. Online brooding is to keep the goslings on the plastic net (1 to 1.5 cm in diameter). The feces can leak below the net, and the goose body does not contact with the feces, reducing the chance of getting infected. A small room with a distance of 1 meter is available on the Internet, and about 20 goslings are placed in each small room. This method can also make full use of space, breed multi-layered, and establish sports youngsters.

Third, feed matching technology

At present, most goose farmers often use a single feed as supplementary feed for grazing. Rice, broken rice, wheat, barley, corn, and sorghum are often used. These grain feeds contain a small amount of protein, poor quality, low calcium content, high phosphorus content, and contain phosphorus, which is a phytate that cannot be used by poultry. The contents of various vitamins and trace elements cannot fully meet the growth and development of geese. The need for egg production. Therefore, using a single feed supplement can not maximize the production performance of geese. In the absence of green pastures, nutritional deficiencies may even occur, and the fertilization rate and hatching rate of the eggs are greatly reduced. Feed-matching technology is an important achievement of modern livestock science and technology. Formulating a full-price compound feed that meets the nutritional needs of goose is very important for raising goose production. At present, the use of goslings and egg-laying geese in conjunction with full-price rations should be promoted, which can increase the growth speed of meat geese, shorten the slaughter time, and increase the egg production and breeder fertilization rate and hatching rate.

Fourth, the breeding technology of breeding geese

The breeding efficiency of geese is very low compared to chickens and ducks. Large and medium-sized goose breeds generally have no more than 60 eggs per year, and small goose species only have 70 to 100 eggs. The fertilization rate of eggs is about 80%, and the hatching rate of fertilized eggs is generally not more than 80%. Therefore, improving egg production, fertilization rate and hatching rate of goose has very important practical significance for geese production. The specific measures include: (1) Vigorously promote the existing supporting systems with high fertility and fast growth in China, such as Tianfu Goose and Goose Supporting System, Jilin Nongda Goose Supporting System (III), Changbai Goose Supporting System (I, II) , Chongqing white goose supporting system. (2) actively promote geese artificial insemination technology. Goose artificial insemination has many advantages over natural ones, such as reducing the number of breeding goslings, increasing the fertilization rate of breeding eggs, and reducing the chance of disease transmission. The use of artificial insemination for geese can increase the annual income by about 20 yuan compared with natural mating. (3) Promotion of anti-season breeding techniques for geese. The domestic south goose species go to rest from June to October each year, and from November to next May is the season of egg production. Goslings are listed with obvious seasonality. In order to enable the goslings to be marketed in a balanced manner throughout the year to meet market needs, anti-season breeding techniques can be used to enable the breeding geese to hatch in summer months. (4) Promote artificial hatchery technology. The majority of the southern geese species have strong cuddly habits. The traditional hatching method is natural hatching. For example, the geese goslings of the four seasons have a nest of eggs in about 20 days, and use their own body temperature to warm the eggs, generally requiring a 30-day incubation period. Goslings go out of their shells, and after another 20 days of recovery, they then produce a nest of eggs for a period of 70 to 80 days. If artificial hatching is adopted, the mother geese produce a nest of eggs and can continue to lay eggs after 7 to 10 days of egg production. This can greatly increase egg production.

V. Lively goose feather technology

The geese can generally be used for 4 to 5 years, but there are 4 to 5 months of obstructed period each year. During this period, the geese do not produce, and they consume large amounts of feed indiscriminately, increasing the cost of breeding. In order to increase the economic benefits of breeding geese, goose feathers can be livelihood during the perinatal period to increase income. Generally, once a geese plucking, they can increase their income by about 20 yuan. After 35-40 days after hair removal, the hair can be long and complete. A hair removal cycle is usually about 50 days, and one hair removal period can be 3 times. (Jianghuai Huaian Bioengineering Higher Vocational School (223200) Chen Guangming)

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