Do not feed fishmeal because the fishmeal has a fishy smell. This fishy smell can enter the milk and affect the taste of food. The non-feeding silkworm cocoon silkworm cocoon has high fat content, odor, is not easy to preserve, is easily rancid, and often has adverse effects on meat and milk, and is particularly unsuitable for matching with milk animal feed. Not feed chicken manure Chicken manure is a kind of regenerated protein feed, can be used to feed cattle and sheep, but it is not suitable to feed cows, because hydrogen sulphide easily makes milk produce chicken feces, affecting milk taste and milk quality. Not feeding fish oil Cows should not be fed with fish oil because it contains multiple unsaturated fatty acids with double bonds, their oxidation products have an odor, and they can transfer this bad odor to the milk. Do not feed arrow peas Pea contains protein, high nutritional value, is a good feed for livestock. But don't feed the cows with gargles in color and don't feed lupins, because the alkaloids contained in them can make the milk taste bitter. The valve is a series of gas emergency shut off solenoid valves, specially designed as gas pipe breaker for emergency use. It can be connected with gas leaking detection sensor, fire alarm circuit or other intelligent sensor modules so that on site or remote shut down on gas supply (manually or automatically) is possible, hence ensuring the safety on gas usage. The valve features an auto-close when strong vibration is detected. After close, manual operation is required to turn on the valve. This feature meets safety regulations in the event of an accident. Gas Cut Off Valve,Air Solenoid Valve,3 Way Solenoid Valve,Sprinkler Valve Solenoid Rictron Industrial Co., Ltd , https://www.szrictron.com