Reduced heat dissipation starts from the requirement to reduce heat dissipation in the house. Open houses can seal north windows. Closed houses can minimize ventilation when harmful gases are not exceeded.
Anti-moisture Because the chicken lying on the damp mat grass will greatly increase the distribution of body heat, so we must constantly replace the mat grass and dry new grass.
The cold wind inside the cold wind shelter is generally from the doors, windows, etc., local wind speed sometimes up to 4-5 m / sec, must be blocked, and add baffles and installation flaps to prevent direct blow the chicken body. If there is a playground in the open chicken house, it is better to have a wind barrier in the northwest to prevent the west wind from hitting the chickens. After entering the winter, it is generally late to put chickens and chickens early in the cycle to try to shorten the time when the chickens are outdoors in cold weather; in case of snow and snow, the snow on the sports field should be cleared as soon as possible.
Anti-freeze is freezing of waterproof material, and drinking water must be added to the ground to keep water in the sink. It is best to give warm water to ensure that drinking water does not freeze. If we feed wet material, we must feed it now and feed it immediately after mixing to prevent freezing.
The enzyme-linked immunosorbent assay (ELISA) (/ÉªËˆlaÉªzÉ™/, /ËŒiËËˆlaÉªzÉ™/) is a commonly used analytical biochemistry assay, first described by Engvall and Perlmann in 1971. The assay uses a solid-phase enzyme immunoassay (EIA) to detect the presence of a ligand (commonly a protein) in a liquid sample using antibodies directed against the protein to be measured. ELISA has been used as a diagnostic tool in medicine, plant pathology, and biotechnology, as well as a quality control check in various industries.
In the most simple form of an ELISA, antigens from the sample are attached to a surface. Then, a matching antibody is applied over the surface so it can bind to the antigen. This antibody is linked to an enzyme, and in the final step, a substance containing the enzyme's substrate is added. The subsequent reaction produces a detectable signal, most commonly a color change.
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