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How can the disease prevention system be improved in soft-shelled turtle farming?
1. Build farming facility conditions that meet ecological requirements, including farming engineering facilities, water source and water quality management, and other aspects. 2. Implement scientific feeding management and daily operations, and use high-quality, complete, diversified feed free of pathogen contamination. 3. Select healthy seedlings for farming. As far as possible, breed hatchlings and young turtles locally, and at the same time try to avoid introducing seedlings from other places, especially imported seedlings, to prevent secondary infection by pathogens. Even if they are introduced, strict quarantine and isolation observation must be carried out.
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What are the improved varieties of edible fungi? Introducing several high-quality varieties
Xiagu 93 mushroom is a high-temperature type, with a fruiting temperature of 25-34°C. The mushroom body is round and neat, pure white, with a short stalk, thick and dense flesh, not prone to browning, and a long fresh-keeping period. It is an excellent strain suitable for cultivation in summer. Zongxiu No. 1 mushroom is a medium-low temperature type, with a fruiting temperature of 5-25°C. The mushroom cap is brown, the flesh and stalk are white, the taste is delicious, and the shelf life is long. It has a wide suitable temperature range, strong fruiting ability at low temperatures, high yield, and stress resistance. L-Dongxiang 03 shiitake is a medium-temperature type, with a fruiting temperature of 8-25°C. The fruiting body is medium to large, the cap is thick, the mushroom shape is attractive, and the quality
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Introduction of Improved Breeds of Jinyun Ma Duck and Breed Characteristics
Jinyun Ma Duck is a famous local breed of laying duck in China, known for early maturity, high egg production, low feed consumption, strong disease resistance and wide adaptability. Appearance characteristics: the body is light, small and narrow and long, with a snake-like head and full eyes, a long bill and a thin neck, a small front body and a large rear body, and a full, drooping rump. When walking, the body extends forward at a 45° angle to the ground. The body structure is well proportioned, compact and firm, with a typical egg-type duck body shape. Among them: ◎Line I (brown ma duck) female ducks are mainly brown with freckled feathers, the abdomen is lighter in color, the bill is yellow, and the chest and webbed feet are orange-yellow (red)
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How can the feeding efficiency of growing-finishing pigs be improved? Laying a solid foundation is key
Pig production is a competitive industry in China's agriculture. Pork accounts for about 67% of total meat production and is an indispensable source of nutrition for people; pig manure and urine will play an even greater role in increasing agricultural output and developing organic agriculture. Raising pigs is conducive to rural economic development and increasing farmers' income. The comprehensive utilization of pigs has great development potential and awaits further development, and the international and domestic markets for pig products still need further expansion. Therefore, great attention should be paid to the genetic foundation, material foundation and survival foundation of pig production, promoting pig production toward high yield
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Which improved tea tree cultivars are suitable for making Dafo Longjing tea?
With the development of famous and high-quality tea production, the role and benefits of clonal improved cultivars have become increasingly prominent, and they have been rapidly promoted and are deeply welcomed by tea farmers. In order to help the broad community of tea farmers rationally select improved tea seedlings when developing new tea gardens and distinguish inferior or fake tea seedlings, a brief introduction is now given to some improved cultivars suitable for making Dafo Longjing tea. (1) Yingshuang is a national-level improved cultivar, a small tree type, medium-leaf clonal improved cultivar bred and completed by the Hangzhou Tea Research Institute. Its main characteristics are early development, with the picking period for famous tea around March 20, medium bud density, strong white bud ability, and a long growth period; tea can still be picked during the Frost's Descent season, with strong tenderness retention, slightly weak stress resistance, and high yield. It is especially suitable for making famous and high-quality tea, such as Longjing tea; the green tea made from it has high aroma and a strong, fresh taste.
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Introduction to the Improved Yam Variety Guihuai No. 6
Variety approval number: Gui Shen Shu 2004006. Breeding unit: Cash Crops Research Institute, Guangxi Academy of Agricultural Sciences. Variety source: Systematically selected and bred from yam germplasm resources collected in Hongshi Village, Yangmei Town, Rong County. Applicant unit: Cash Crops Research Institute, Guangxi Academy of Agricultural Sciences. Characteristics: An early-maturing variety with a growth period of 170-190 days in central and southern Guangxi. Stem right-twining, four-angled, 0.4 cm in diameter, stem wings obvious, no thorns, no purple coloration, main stem 3.0-4.5
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Variety Characteristics of the Improved Tea Cultivar Ningzhou No. 2
It belongs to the clonal propagation group. It is a national-level improved cultivar. It was bred by the Jiangxi Provincial Xiushui Tea Research Institute. Morphological characteristics: shrub type, medium-leaf, medium-bud cultivar. The tree posture is open and spreading; spring buds sprout in late March, and the peak period of one bud and three leaves occurs in late April, with a 100-bud weight of 71 grams. It is suitable for producing famous green tea in the Jiangxi tea region. Green tea made from it has a fresh fragrance and mellow taste. Quality characteristics of fresh leaves of one bud and two leaves in spring tea: tea polyphenols 25.0%, water extracts 41.7%.
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Remarkable Achievements in the Research and Development of Improved Qingyuan Wapiti Varieties in Fushun, Liaoning
Qingyuan wapiti is a science and technology project jointly researched and developed by the Institute of Special Animal and Plant Sciences of the Chinese Academy of Agricultural Sciences and the Fushun Academy of Agricultural Sciences. In December 2002, it passed the review of the National Livestock and Poultry Breed Committee, and in February 2003, the Ministry of Agriculture approved it as a new national livestock and poultry breed. In 2003, it won the first prize for scientific and technological progress in Fushun City, and in 2004, it won the second prize for scientific and technological progress in Liaoning Province. The Fushun Academy of Agricultural Sciences, as one of the main completing units of this scientific and technological achievement, through years of unremitting efforts, has built the Qingyuan Wapiti Improved Breed Breeding Base, possessing excellent purebred Qingyuan wapiti
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Farm association director-generals criticize the Council of Agriculture for calling for stable prices; the auction market system should be improved
Post-election problem watch 01"Farm association director-generals go on the attack: the Council of Agriculture should not take the lead in calling for stable prices; improving the auction market system is very important
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How Can Agricultural Water-Saving Technology Be Improved? Introduction to Five Models
Improvement Methods: Introduction to Five Agricultural Water-Saving Technology Models
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