After 30 days of gestation, the liver uses goose for another 40 days to enter the compulsory feeding stage for fatty liver production. Therefore, the initial 30 days of brooding work is related to the possibility of providing qualified feeding geese and whether it can be produced. The key to meeting the standard fatty liver. (I) Selection of brooding methods Brooding methods are generally divided into three types: ground brooding, online brooding, and sports brooding. Ground brooding is to keep the goslings on the bedding ground or in the basket; the online brooding is to keep the goslings on the barbed wire or bamboo strips about 50cm above the ground; Multi-layer chicks in brooding (it is the preferred energy-saving method). The temperature method should be based on the climate temperature and different brooding methods to select the appropriate way to temperature, such as brooding umbrella to temperature, underground tunnel to temperature, pipeline temperature. (2) Feeding of goslings 1. Boiling water: 2/3 of the goslings are to be eaten for the first time in 24 to 36 hours after hatching, and a small amount of goslings are pressed into the water tray several times (available 5). % -10% glucose water, multi-vitamin B syrup or clean drinking water, guide other goslings to follow drinking water, water temperature 25 °C is appropriate. 2, open the food: the compound feed to take on the fine green and green feed sprinkled on the plastic cloth or small feed trough, seduce young geese free to eat. 3. Feeding: Goslings 1-3 days eat less, feed 6-8 times a day, feed 8 times on 4-10 days, feed 6 times on 10-20 days, feed 4 times after 20 days ( Above includes 1 night feeding.) The feed of the goslings should meet the needs of their growth and development. The proportion of concentrates and green fodder must be 1:2 before 10 days of age (first feed green material or mixed feed). After 10 days of age, 1:4 (feed first After material feed or mixed feed). (C) management of goslings 1. Insulation: 1-5 days 28-26 °C (relative humidity 60% -65%), 6-10 days 25-24 °C (relative humidity 60% -65%), 11 - 15-day old 23-21 °C (relative humidity 65% ​​-70%). Determine whether the temperature is appropriate and whether the geese flock or not, and whether the distribution is even. 2. Density: 1-5 days old, 25-20/m2, 6-10 days old 20-15/m2, 11-15 days old, 12-15/m2, 16-20 days old 8-12/m2, the density gradually decreased after 20 days of age. 3. Grazing: When the indoor and outdoor temperatures of the brood are close, grazing can be carried out after 10 days of age (after winter and 21 days of early spring).
Black And White Ultrasonic Diagnostic Equipment
It can be configured with a variety of variable-frequency probes to meet various clinical needs; dual probe interface, the probe can be freely switched; it adopts a number of international advanced digital image processing technology and software technology, such as dynamic broadband low-noise preamplification and dual-echo processing technology, multi-point dynamic focusing, dynamic variable aperture, dynamic filtering, gain compensation (TGC), frame correlation, DSC transform interpolation, etc., with a clear and delicate image. It is suitable for diagnosis and examination of abdomen, gynaecology, obstetrics, urology, blood vessels, heart, small organs and superficial parts.
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