What's the best way to kill a beetle?
Hang a light-colored glass bottle every 3 or 4 trees, such as beer bottle, big-mouthed medicine bottle and so on. Wash the bottle clean, catch 2 or 3 live beetles into the bottle, tie the bottleneck with a rope, tie it to the branch of the fruit tree, and the mouth of the bottle is 2 cm away from the branch. Beetles have the habit of getting together and will get into the bottle one after another. After the worms are full, take them down and burn them to death with hot water.
- Prev
Scabies of turtles
[etiology] the pathogen is a punctate subspecies of Aeromonas hydrophila, which often exists in the water, the skin and intestines of turtles. When the water environment is good, the tortoise is the carrier. Once the environment is polluted, the tortoise is injured, and the bacteria multiply in large numbers, which can easily cause the tortoise to get sick. [symptoms] there are one or more white scabies the size of soybeans in the neck and limbs, squeezed around with yellow and white bean dregs. Diseased turtles can still eat at the initial stage, and gradually eat less. In severe cases, they stop eating and react slowly. He usually dies within 2 to 3 weeks.
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Sensory judgment of the quality of pellet feed for fish
With the rise of intensive aquaculture, the use of fish pellet feed has been very common. But at present, there are many feed brands on the market. There are also great differences in quality and grade. Some farmers may feel at a loss about this and can only choose according to the advertising of the manufacturer or the evaluation of a certain feed by their peers, or even try it by constantly changing different brands of feed, and so on. to some extent, these practices have a certain degree of blindness. A preliminary use of senses summed up in practical experience is now recommended.
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