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Key Points of Broodstock Rearing Technology and Feeding Management Methods
1. Broodstock Rearing (1) Sexual Maturity The sexual maturity age of Wuchang bream (Megalobrama amblycephala) is 2 to 3 years, and the sexually mature body weight is above 0.5 kg. The spawning and breeding period is from May to June. (2) Male and Female Identification Sexually mature male fish have a large number of "nuptial tubercles" on the head, pectoral fins and caudal peduncle, with a rough feel when touched by hand; the abdomen is narrow and small, and when sexually mature, lightly pressing the testis area of the abdomen causes milky white semen to flow out; the first fin ray of the pectoral fin is thick and wavy-curved. Female fish have no "nuptial tubercles" or only a small number of tubercles on the eyes and back, and the abdomen is obviously
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Detailed explanation of feed-saving rearing methods for chickens, helping you reduce the cost of chicken feed
The cost of chicken feed accounts for about 70% of the total rearing cost, so saving feed to reduce costs is the main way to improve the economic benefits of chicken rearing. The following methods can be used to save feed: 1. Raise excellent breeds. Choose excellent breeds of chickens to raise; at the same age and with the same amount of feed consumption, the production performance of excellent breeds is much higher than that of other breeds. There are more than a dozen high-yielding layer and broiler breeds in the world today, and most of them have already been introduced into China. The laying hens suitable for raising in the north mainly include excellent breeds such as Lohmann, Hysex, and Hy-Line.
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Autumn Snake Rearing Methods and Key Technical Points
As the saying goes: "When the autumn wind blows, the three snakes grow fat." This accurately reflects the growth of snakes. In autumn and winter, snake farms should pay attention to the following points: 1. September to October is the peak predation season for snakes, during which they store large amounts of fat to safely survive the severe winter and maintain their nutritional needs until they emerge from their burrows the following year, so large amounts of food should be provided. 2. For snakes in relatively poor health, they can be sold on the market early rather than kept for overwintering. 3. In autumn, snakes are busy foraging and have more opportunities to emerge from their burrows, making them easier to capture in the wild, so precautions should be taken against predators.
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Rearing Methods and Processing Techniques for Medicinal Stiff Silkworm
At present, the demand for medicinal stiff silkworm in the Chinese medicinal materials market is growing, and rearing and processing it is profitable. Its rearing and processing methods are: 1. Rearing of mature silkworms. Rearing and processing medicinal stiff silkworm should be carried out professionally in non-cocoon-producing areas, so as to avoid a devastating impact on cocoon silkworms. Rearing and processing can be carried out throughout the year. As for the feed given, apart from a small amount of mulberry leaves, more evening primrose, sword silkworm grass, white clover, cup plant and other substitutes for mulberry leaves can be added, to supplement the shortage of mulberry leaves and reduce rearing costs. For mature silkworms
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Guangdong White-Banded Snake Rearing Methods and Key Technical Points
Climate and environment: It favors a mild and humid climate, preferring shade and fearing sunlight. The optimum temperature is 25-30°C. When the temperature drops below 10°C, it enters hibernation. It likes to inhabit environments near water with grass and shrubs. It is active at night. For the rearing site, choose a mountain-side plot that is sheltered from the wind and faces the sun, warm in winter and cool in summer, and build a rectangular or circular enclosing wall, 1.7-2 m high, with the inner side plastered smooth and no holes left, to prevent escape. Inside the wall, build a snake room and a pool, and leave an activity area. The size of the snake room depends on the number being reared; generally 1.5-2 m long and 0
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Queen Bee Rearing Method: A Detailed Guide to the Cut-Comb Queen Rearing Technique
Rearing queens by the grafting method easily bruises the larvae, so queens can instead be reared by cutting into capped brood combs. When a colony has grown strong, take 2-3 frames of capped brood together with the queen from the mother colony and place them in a new hive box, add 1-2 frames of honeycomb, and set it beside the original colony. The mother colony then becomes a queenless queen-rearing colony. From it, take one frame of brood comb containing large numbers of eggs and newly hatched larvae, and cut a 200 mm x 35 mm rectangular piece from the central part of the comb so that the eggs and larvae in the cells along the upper edge of the cut are exposed
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A Complete Analysis of Viper Rearing Techniques and Methods
The viper, also known as the "earth snake," is a small venomous snake distributed throughout China. Besides being eaten, it has high medicinal value. Its breeding stock is easy to obtain, and the rearing method is not difficult, making it a new type of breeding industry for people to get rich. 1. Development and utilization: Some precious medicines produced using the viper as a raw material can cure many difficult and complicated diseases. At present, the ways in which domestic scientific research institutions develop and apply it include: (1) Viper venom is a raw material for producing highly effective antithrombotic drugs. (2) Dried snake has the effects of dispelling wind, calming, detoxifying, relieving pain, strengthening the body, and promoting lactation. Therefore, developing
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Artificial Rearing Techniques and Methods for the Many-banded Krait
The many-banded krait, also known as the silver-banded krait or the golden coin krait, has high medicinal and economic value. Its rearing methods are as follows: 1. Build reasonable pools. The snake pool is built of brick and stone, 2 m square and 1.5 m high, and can hold 15-20 snakes; keeping too many snakes makes management difficult. The pool walls are smoothed with cement, and a movable glass cap is added on top of the wall in a T shape to prevent escape. The pool bottom is the snakes' activity area, where weeds should be planted, and then snake dens should be built with sandy soil, wooden boards, bricks and tiles, etc. Inside the pool, build a flowing-water ditch and a feed basin,
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Scientific feeding is essential in soft-shelled turtle hatchling rearing, and mastering the method is key
affects the farming of adult soft-shelled turtles. Whether scientific feeding can be carried out is the technical key affecting the growth and quality of soft-shelled turtle hatchlings. For this reason, here is an introduction to scientific feeding in soft-shelled turtle hatchling rearing, for reference and application. As with farming other aquatic animals, feeding can follow the four-fixed principle, namely fixed quality, fixed quantity, fixed time and fixed location. However, the four-fixed contents of feeding in soft-shelled turtle hatchling rearing have their own characteristics. Because soft-shelled turtle hatchlings, during their growth process, not only need to accumulate energy and increase body weight, but also need to provide various nutrients and
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Introduction to the Characteristics of the Tianshan Snow Chicken Breed and Its Rearing Methods
The Tianshan Snow Chicken belongs to the Phasianidae family and is a herbivorous poultry species. It originated at the summit of the Tianshan Mountains in China and is a rare breed unique to our country, with very small numbers. The Tianshan Snow Chicken is small in size with a robust constitution, a body length of about 60 cm, a delicate appearance, a purple beak, and an orange waxy base and covering over the nostrils; its whole body is covered with well-developed, upward-curving feathers. The Tianshan Snow Chicken moves nimbly, is alert in spirit, and is light and quick in activity. An adult male chicken weighs about 1.5 kg and begins to crow at 5 months of age; a female chicken weighs 1.2 kg, begins laying eggs at 6 months of age, and lays 120-150 eggs per year. Eggs weigh 40-50
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