-
How to grow mint: learn to easily get a pot bursting with growth
The scent of mint really is a peculiar fragrance. People who love it adore it to no end, it is practically a must-have for hot pot, while people who do not like it can hardly stand...
-
Duck prosthogonimiasis is a type of parasitic helminth disease in ducks.
Duck prosthogonimus is a parasite that lives in the bile ducts or gallbladder of the duck liver. It mainly affects ducks over one month of age, and both the infection rate and infection intensity are very high. Death often occurs due to blockage of the gallbladder and bile ducts by the worms, making it one of the trematode diseases currently causing relatively great harm to ducks. There are two species of prosthogonimus parasitic in the gallbladder and bile ducts of ducks (Prosthogonimus orientalis and Prosthogonimus taiwanensis), and the one commonly seen in clinical practice is mainly Prosthogonimus orientalis. 1. Pathogen and epidemiological characteristics The pathogen is Prosthogonimus orientalis, belonging to the family Opisthorchiidae. The worm body is leaf-shaped, 2.4-4
-
How to prevent and control fish helminthiasis? Detailed explanation of prevention and control methods
Fish diseases caused by some species of flatworms, roundworms, and segmented worms are called fish helminthiasis, such as: dactylogyriasis, gyrodactyliasis, diplostomiasis, ligulosis, etc. Prevention and control methods: 1. Spread 0.65-0.7 microliters/liter of crystal trichlorfon over the whole pond. 2. Use quicklime to thoroughly clear the pond and kill snails. In fry and fingerling rearing ponds, copper sulfate can be spread to make the pond water 0.7 microliters/liter, and after an interval of 12-24 hours, spread it again at the same concentration.
条件筛选