What are the characteristics and habits of the red chain snake?
The red chain snakehead is flat and obviously triangular, the head is black, the scale edge of the head is red, and the snout scale is high, which can be seen from the back. The back of the body is black, with about 70 narrow red transverse stripes. There are scattered black markings on both sides of the body, black and brown spots on the outside of the ventral scales, and light yellow or white on the ventral side. The tail is short and thin, with a standard venomous tail, sometimes grayish black under the tail. This snake is a neutral snake, with a body length of more than 1.5m, a weight of about 1000m and 1250g, and a maximum of 1500 grams.
Red chain snakes are mainly found in fields, villages, houses and water sources, and are often found in hospitalized villagers. Mostly come out in the evening, belonging to nocturnal snakes. Active after 10:00 in the evening, usually more gentle temperament, curled up motionless during the day, long head coiled under the body. Do not take the initiative to attack people, lazy do not like to move, crawl slowly. But when frightened, they act quickly and have a clear target. It mainly feeds on toads, small freshwater fish, @ # @ 237 fish, chicks, young birds and rodents. This snake has the habit of eating snakes and should pay attention to it when it is in short supply. The breeding line of this snake lays eggs, mating from May to June, laying eggs from July to August, laying 15 eggs each, and the incubation period is 40 to 50 days.
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Processing method of mink skin
First, the main raw material: mink. Second, equipment: knives, planks, etc. Third, the production method: first kill the marten. The main methods are as follows: 1. The method of breaking the cervical vertebra: grasp the neck of the mink with one hand and the head with the other, push hard from back to front to break the vertebrae. When you pay attention to nostril bleeding, wipe it out immediately. Prevent contamination of fur. 2. air injection method: use a syringe to directly inject 5ml of air into the mink's heart. 3. Injection poisoning method: injection concentration
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Causes and Preventive measures of Silkworm poisoning
In the process of sericulture, poisoning sometimes occurs, which affects the growth and development of silkworms and causes a large number of deaths. Therefore, silkworm farmers must pay attention to it and take measures to avoid loss. 1. Gas poisoning silkworm eggs green stage or young silkworm one or two instar stage, the temperature of silkworm room is low, need to be heated. If coal products are used for heating, and there are no exhaust facilities on the coal stove, the toxic gases such as carbon dioxide, hydrogen sulfide and carbon monoxide accumulate in the silkworm room, which can cause poisoning of silkworm eggs and silkworms. Bombyx mori eggs are poisoned during the green stage and are prone to dead eggs or uneven hatching.
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