How to train a dog to lie down
Lying down training is to develop the ability of dogs to lie down quickly according to the command of their owners.
Password: "lie down"; gesture: lie on the front, raise the right hand up, then stretch forward, palm down; lie on the side, pointing down with the right hand in front of the dog. First of all, make the dog sit on the left, the owner takes a step forward with the right leg, bends the body forward and downward, and then seduces the dog with the food held in the right hand. When the dog's performance is obtained, take the opportunity to move the food slowly forward and down from the bottom of the dog's mouth, and issue the "lying" command. When the dog lies down, it will be rewarded with food in time. Later, with the gradual formation of conditioned reflexes, food stimulation can be cancelled, and passwords and gestures can be used to make the dog lie down.
Another method is to make the dog sit down on the left side, the owner of the left leg step back, in a squatting position, both hands hold the dog's two forelegs, issue the "lying" command, and extend the dog's two forelegs forward, while pressing the dog's shoulder swelling with the left arm, when the dog lies down correctly, it will be rewarded immediately. Remember, don't punish a dog when he does something wrong or disobeys orders. Instead, touch his head as soon as he does the right thing and say a few words of praise. He will be more obedient, because there will never be too much encouragement.
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The method and management of moving insects and raising queen bees
The tools used by the king are needles, frames, wax bowls and bowls, towels, basins, royal jelly, etc. The worm transfer needle is a tool used to transplant the small larvae into the Wang Tai bowl. It can be made of thick copper wire or goose feather tube, one end is in the shape of a thin tongue, and the other is in the shape of a spoon. The worm transfer needle with spring is easy to use. The Yuwang frame is the frame in which the king platform is placed. Can be reformed with standard frame, the width of the upper and lower frame beam and side plate is equal, about 13 mm. Three slats with a width of 10 mm are installed horizontally in the frame. The wax bowl stick is dipped.
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Rearing methods of male silkworm and big silkworm
1. New hybrid varieties of male silkworm (1) variety characters. Qiuhua × Ping 30, a new autumn male silkworm variety bred by the sericulture Research Institute of Zhejiang Academy of Agricultural Sciences, has the advantages of strong physique, uniform sleep of all ages and easy rearing. The number of ants per gram is about 2310, and the 5th instar passes through 6 days and 18 hours. After 22 and a half days, the two-day hatching rate is 49.34%, the silk length is about 1240 meters, the cocoon shape is oval, large and uniform, the cocoon color is white, and the cocoon shell rate and silk emergence rate are high. (2) the main points of feeding and breeding techniques. The ant harvester is sensitive to light.
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