The reflex hammer is used for testing reflexes in regards to an orientating neurological examination. Testing of the individual reflexes can help provide conclusions as to nerve damage on the spinal cord. Depending on specification, a reflex hammer can also contain other neurological diagnostic instruments, such as brushes or needles. In addition to the reflex hammer, there is also a percussion hammer, which is used to asses organs via resonance waves.
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Breeding of wild ducks Artificial breeding of wild ducks can be used to artificially capture wild ducks in natural waters. After the wild ducks are captured, they are cut off and hard feathers are kept in the ring for a period of time until they come into contact with people. You can stock up with ducks. In order to breed offspring of wild ducks, male and female wild ducks are mixed and kept together in a certain proportion before laying eggs so that they can breed eggs for hatching or artificial hatching of poultry. Another source is to search for wild ducks in the wild ducks' breeding grounds between April and June of each year. The nests are placed between the waterside grasses, the puddles on the beach or the embankments, and the wild ducks produce eggs (slightly With light gray-green) Pick back to hold poultry or hatch artificially. The breeding of excellent mallards can also be introduced from the wild duck hatchery.
Mallard wild life habits and provenances
The Mallard duck originally inhabits the reeds near shallow rivers and beaches, lakes, reservoirs and other waters where rivers and rivers are prosperous. Sexual activity, multiple habitats. Good flying and swimming, school feeding, staple food aquatic plants shoots, stems, leaves, seeds, grains and algae, as well as insects, mollusks and so on. In winter, it lives in China's Yellow River Basin and the central and southern Yangtze River waters, becoming a common type of winter migratory bird in China. In spring and summer, mallards migrate back to the northeast, Inner Mongolia, western Xinjiang, southern Tibet and Siberia. They use grasses, reeds, aquatic plants and their own feathers as nesting materials. During the breeding season, they nest in lakes from April to June. , weeds in rivers, Puwa Beach, shallow embankments, etc., male wild ducks are mature 150 days old, female ducks begin to lay eggs around the age of 80 days, each spawns 8 to 14 pieces, every year from May to May August-December is the peak period for laying ducks. American wild ducks and German wild ducks introduced from the United States and other places can produce about 185 eggs. Due to the thick shell of ducks, the hatching period is generally 2 to 3 days longer than that of domestic ducks. Most of the winter migrants are distributed in our country.
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