Breeding of geese has obvious seasonality. It usually enters the laying period from September to November each year, and enters the period of rest after the laying period until the next year. The breeding characteristics of the geese make goslings and goose meat production and supply seasonal.
The use of forced moulting and control of temperature, light, nutrition and other technologies in production can achieve anti-season breeding of geese from May to September.
1 Timely retention
Goose breeding in the off-season can be achieved in two ways. One is to cultivate seedlings, and the other is to cultivate traditional breeding geese for off-season breeding. No matter which method is adopted to breed off-season breeding geese, timely breeding should be done. Leaving seedlings is cultivated, and the time for seeding is determined according to the age of opening of the goose species. For example, the white goose in Sichuan is generally 200-210 days old, and it can be cultivated in September-October. The selected goose seedlings will be produced in April-May in the following year, and will enter the egg production peak in June-August. Breeding of traditionally reared geese for off-season breeding. This type of geese usually starts production in September. After 4 months of production, the breeding geese are forced to moult. After 60-90 days of recovery, the geese can be re-established. Into the laying period, so as to achieve the purpose of anti-season breeding.
2 Forced moulting
Artificial forced moulting can not only shorten the breeding time of breeding geese, control the time of production, but also improve the uniformity of laying geese's laying eggs and increase the anti-season breeding efficiency.
The main steps of compulsory moulting are to eliminate the geese that do not meet the feeding standards before the forced moulting; after the whole group is stopped, the materials are generally stopped for 3-4 days, and the appropriate amount of green fodder for the breeding geese is started on the 5th day (fed 6-7 become full), ensure that the gooses provide adequate and hygienic drinking water during the whole period of stoppage, and use natural light at the same time; after the fall of goose down, a large amount of goose down, you can try to plucking, if the tail and wing main wing feathers are easier to pull off When the roots of the unpicked feathers are dry and without blood, plucking can be performed. If it is unsuitable for plucking, it is left to the second d to try again. The same batch of geese can try to complete plucking within 3-4 days; after plucking Feed geese breeding materials, gradually transition to conventional dosage after 2 weeks. After the plucking, the goose pores are damaged and the immunity is reduced. The water should be forbidden, and at the same time, attention should be paid to preventing sun exposure and rain.
3 Lighting control
In the off-season breeding of breeding geese, seedling rearing, natural lighting was applied to the 175-day brooding period, artificial light-filling time was gradually increased from 176 days, and the daily light-time was increased to 17 hours. When artificial lighting is provided, the switch lamp time should be fixed and do not change at random. With the traditionally reared geese breeding in the off season, the lighting time is gradually increased one month before the breeding geese are re-started. If the light intensity in summer exceeds the optimum range for breeding geese, light control such as shade nets and trees are required.
4 Temperature Control
In the anti-season breeding, measures should be taken to ensure the reproductive performance of breeding geese. These measures include: use of double-layer shade nets or trees to shade, reduce temperature, gossip device to install water curtain device to cool, or use ventilation fans, doors and windows to cool down and pass the bath Drinking water reduces the body temperature of goose.
5 Nutrition standards
The anti-season breeding breeding standards for geese are basically the same as those for traditional feeding standards. Controlling feeding should be carried out during the breeding season of the anti-season breeding geese. Starting one month before the laying of eggs, the eggs were gradually fed and the daily feed amount was increased by 25 g. After about 30 days, the geese were allowed to feed freely and no longer restricted.
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