First, excellent varieties
1. Selection of good breeds The main varieties of long-haired rabbits in China are Chinese, German, and French hairy rabbits. Since the mid-1980s, China has carried out the breeding of long-haired rabbits, and has successively cultivated a number of new breeds of long-haired rabbits. Like Yimeng Longhair Rabbit, it passed the validation and naming of the Shandong Provincial Livestock Breeding Approval Committee in 1999. It has a high gross wool yield (1830g/year), a high coarse hair rate (average coarse hair content of 18.2%), and a high reproductive rate ( With an average of 7.86 litters, strong adaptability, strong disease resistance, consistent body appearance, and stable genetic performance, it is recognized as a new breed of long-haired rabbits. When introducing, care should be taken to select these fine varieties.
2, choose a reliable introduction of the field is now a variety of rabbit farms, but some kinds of rabbit farm rabbit production is not standardized, the quality is difficult to guarantee. In order to prevent swindling and lead to pure breeds, it is necessary to have a long history of construction, a strong technical force, a certain scale of production, standardized management, and a “License for the Production of Breeding Livestock and Poultry†issued by the animal husbandry authorities at or above the municipal level. The rabbit farm of "Specification Certificate of Breeding Livestock and Poultry" was introduced.
3. Select individual individuals of long hair, whether they are introductions or their own rabbit farms, must have typical breed characteristics. After careful selection, carefully observe the external morphological characteristics of the long-haired rabbit, such as body size, body size, and coat density (especially abdominal hair and leg hair density). Any one that does not conform to the appearance characteristics of this species must not be selected for use as a plant species. There are physical defects or deformities. Whether it is congenital or acquired, it cannot be selected for planting.
4. Strict selection and breeding of rabbits must control certain blood relations and prevent close relatives from mating. In order to prevent the occurrence of inbreeding recession, a certain number of basic groups must be maintained. On a large-scale rabbit farm, there should be at least 10 breeding males with more than 6 pedigrees and distant kinships. If necessary, they can introduce male rabbits from other places. Blood renewal was performed to slow down the increase in inbreeding coefficient and obtain high-quality offspring.
Second, scientific management
1. The construction of a cage farmer can use an outdoor rabbit house structure with a cage. The rabbit cage faces southwards and is a sloping roof with high front and low front. The front and back of the eaves are short and long. The roof uses cement prefabricated panels or asbestos tiles. The rabbit cages are assembled with prefabricated concrete parts. The dimensions are 70 centimeters long, 60 centimeters wide and 45 centimeters high. The cage doors can be made of eye iron, coarse iron wire or wire mesh, and the bottom of the cage is bamboo. The slip surface is facing upwards. The spacing is 1 cm. The width of the piece is 2 cm. The direction of the bamboo is parallel to the cage door. The bottom of the cage must also be made of cement board. It must not leak manure. For ease of management, it is generally preferable to use 3 layers. It is best to shade trees before and after the rabbit house, and use plastic cloths to keep it warm before and after winter. The advantages of such a rabbit house are low cost, cleanliness, good ventilation, and sufficient light.
Other rabbit houses also have various forms such as indoor single-row type, indoor double-row type, outdoor double-row type, indoor multi-column type, etc., depending on the scale of the breeding and the family conditions.
2, to maintain a good type of rabbit to regularly fed rabbits, in order to better control the rabbit's body condition, so that the rabbits to maintain a suitable condition. In order to breed in time, rabbits are ovulation-stimulating animals, but during the estrus regurgitation period, when the labial mucosa is red, congestion and swelling are associated with breeding, the conception rate and birth rate are higher. To touch the tire on time, timely supplementation, female rabbits hand 9 to 11 days for the best time to touch the tire, the timely supplementation of non-pregnant, reduce the number of empty female rabbits, and increase the reproduction rate of breeding rabbits. For the pre-pregnancy period (1 to 18 days), female rabbits should be fed the same way as pregnant female rabbits; during the late pregnancy (19 to 31 days), attention should be paid to the supply of protein, minerals, and vitamins. If the body is in good condition, it is not necessary to increase the amount of concentrate before delivery, so as to avoid excessive postpartum milk, which can cause mastitis if the baby does not finish eating. If the condition of the female rabbit is not good, especially after the blood has been dispensed, the entire concentrate during the pregnancy Supplementary feed should be increased by 75 to 100 grams. The farrowing box should be placed 3 days in advance, the litter box should be smooth and clean, and the bedding should be dry and hygienic. After the birth, the number of puppies should be counted in time, but care should be taken when the female rabbits have finished feeding colostrum after they have finished feeding. It is advisable to have 6 to 8 females for each female rabbit. If there are too many farrowing babies, care should be given to fostering them. In the absence of suitable female rabbits, weeds should be eliminated. It is necessary to provide sufficient nutrition to the nursing mother rabbits, ensure their healthy constitution and adequate milk. In the feeding method using green feed as the basic feed supplemented with concentrate supplements, the protein content of concentrate supplements should reach more than 20%, and the amount of concentrate feed supplement per bird per day is 125-200 g. Juice feed amount above 1000 grams.
3, raising a good puppies After the birth of rabbits are extremely sensitive to feeding conditions, must be carefully raised, otherwise it will lead to disease, growth stagnation, and even death. In order to ensure the survival rate of puppies, the following points should be noted: First, it is necessary to prevent freezing in the winter, and to prevent steaming in the summer, to create a suitable environment for puppies. The second is to do a good job feeding materials, generally 19 days after the start of feeding materials, feeding the first high-quality fresh grass to lure, then add the fine material, water supply should be sufficient. The third is timely weaning. When puppies 28 to 42 days of age, weight reached 500 to 750 grams, weaning. Early weaning will have a certain impact on the growth and development of young rabbits, but weaning too late is also not conducive to female rabbits recuperating and affecting the next reproductive cycle of female rabbits. Weaned young rabbits should be fed 4 to 6 times a day, should be quantified regularly, and should be fed less frequently to prevent gastrointestinal diseases. The fourth is to keep cages. According to the purpose of production, body size, physical strength, gender, age, different groups, usually 3 to 4 per cage is better.
4, to ensure nutrient supply, increase the amount of hair production of high-yield long-haired rabbits on the amount of feed, especially protein requirements are high. It was determined that the content of 1 kg of rabbit hair protein was equivalent to about 4.5 kg of carcass or 6 to 7 kg of protein. In the large-scale long-haired rabbit farm, corresponding full-price diets should be formulated according to factors such as seasonality, physiological conditions, and wool yield levels, etc., and full-priced pellet feeds should be used to implement free-feeding and automatic drinking. . The ideal high-yield long-haired rabbit diet has crude protein levels of 16% to 18%, sulfur-containing amino acids of 07% to 0.8%, and special additives for hair growth, growth, and reproduction. In decentralized rearing households, we can adopt green and succulent feeds to feed freely and supplement the concentrates appropriately. We supply 80 to 100 grams of concentrate supplements per day and avoid feeding green forages.
5. Properly adjust the shearing time As the hair-raising period is extended, the growth rate of rabbit hair is gradually slowed (see Table 2). Shortening the hair-picking intervals can significantly increase the annual production. In summer, to reduce the adverse effects of high temperature on wool production performance, shear intervals should be appropriately shortened. At present, the international market has increased the demand for medium and low-grade hair, and the traditional 91-day hair raising period can be shortened to 73 days (shorter in the summer) to increase the annual output.
Third, the program of epidemic prevention
1. Insist on self-cultivation and self-cultivation. Newly-purchased rabbits are isolated and observed. In order to prevent the intrusion of infectious diseases, it is best to use self-bred and self-support. When it is really necessary to introduce, it must be purchased from a non-epidemic area. After being purchased for isolation and rearing for more than 2 weeks, it is confirmed that there is no disease before feeding into a rabbit farm.
2, do a good job of disinfection and disinfection is an important part of disease prevention, through disinfection to reduce and eliminate pathogens in the environment, cut off the route of transmission. The breeders are required to enter the rabbit house after changing clothes, changing shoes, and washing their hands. A disinfection pool should be set up at the entrance to the field. Foreign tools and articles should be used after being disinfected, and common tools should be cleaned, disinfected and exposed in time. Rabbit houses and rabbit cages should be cleaned once a day, once a week with rabbits.
3, do a good job of immune immunization is an important means to control the occurrence of infectious diseases, immunization is done well, the disease can be effectively controlled. Due to the different prevalence of epidemics in different regions and rabbit farms, it is impossible to have an immunization program that can be uniformly used everywhere. This requires rabbit farms to sum up their experience in practice and formulate optimal immunity that meets specific conditions. program. Here are the methods of immunization for several common diseases:
Rabbits. Thirty-four to 45-day-old pups were injected subcutaneously with 1 ml of rabbit broom propolis vaccine or 2 ml of rabbit bracteatum-pasteurella double vaccine. They were boosted once at 60 days and immunized once every 6 months. If the epidemic occurs, doubling dose immunization is needed in the endemic area.
Rabbit pasteurellosis. After being weaned, the pups were injected with 1 ml of rabbit Pasteurella multocida or 2 ml of rabbit Blastococcus lactis seedlings once every 4 months.
Clostridium welchii. Weaned-fed rabbits were injected subcutaneously with 2 ml of Clostridium welchii vaccine and immunized once every 5 to 6 months.
E. coli disease. The puppies were injected with E. coli multivalent bacteria at 20 days of age. Each subcutaneous injection of 1 ml was performed. The pups were immunized once weaned and subcutaneously injected with 2 ml and immunized once every 4 months.
Borrell disease. The pups were subcutaneously injected with 1 ml of the Borrelia bacilli vaccine 18 days of age. One week later, they were boosted with immunization, subcutaneously injected with 2 ml, and injected once every 4 months thereafter.
Staphylococcosis. Two milliliters of staphylococcal bacteria vaccine was injected subcutaneously before maternal mating, and the protection period was 4 months.
To breed a long-haired rabbit, this is not a slogan that can be used as a shout. Instead, it is necessary to grasp the breed, feeding and management and epidemic prevention programs of the long-haired rabbits, that is to say, there are excellent varieties and careful combination. The management of the disease and the timely prevention of the epidemic will enable the long-haired rabbits to exert their highest productivity and generate income for us.
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