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What should you pay attention to with a newly dug fish pond? These matters need to be understood in advance
What should you pay attention to with a newly dug fish pond
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How to time cow breeding? These precautions need to be understood
Cow breeding timing and precautions
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What should you pay attention to when eating fish head? These points need to be understood
Professor Wang Cunxin, a fish research expert at the Institute of Oceanology, Chinese Academy of Sciences, introduced that China has four major domesticated fish, namely black carp, grass carp, silver carp and bighead carp. Silver carp is also called silver carp or white silver carp. Among bighead carp, spotted bighead carp is more common, and the fish heads we usually eat in restaurants are mainly white silver carp and spotted bighead carp. The reason these two fish are used for fish head dishes is, first, because they grow quickly and can be artificially farmed; second, because black carp and grass carp mainly eat grass, while silver carp and bighead carp mainly eat plankton, so they naturally have more meat than the former two. The head of white silver carp, especially spotted bighead carp
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Pigs rooting at the pen and gnawing at soil are not just mischief; the reasons behind it need to be understood
Pigs rooting at the pen and gnawing at wood and soil are not just playing around; it is an abnormal phenomenon that affects the pigs' normal growth and development. The main causes are: first, growing-finishing piglets lack the mineral feed needed for growth; lactating sows and pregnant sows use their own mineral elements for the normal growth of suckling piglets and fetuses, and the minerals in the feed are hard to meet the demand. Second, the feeding is unreasonable: too little feed is given, the pigs do not eat their fill, and no water is provided with the feed. Third, sick pigs also show pen-rooting and gnawing at wood and soil. Prevention methods: first, pay attention to the feed mixing ratio and add mineral
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What are the precautions for raising cattle? These key points should be understood in advance
What needs attention when raising cattle
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What should you pay attention to when raising chickens under trees? These points need to be understood in advance
Points to note when raising chickens under trees
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