条件筛选
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Swine pasteurellosis occurs frequently in autumn and winter when temperatures alternate between cold and warm with large differences, so timely prevention and treatment are needed
Swine pasteurellosis occurs frequently in autumn and winter when temperatures alternate between cold and warm with large differences, so timely prevention and treatment are needed
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How much land and how much investment are needed to build a pig farm producing 5000 pigs per year?
To build a pig farm producing 5000 pigs per year, how much land is needed, and how much money is needed?
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What conditions and requirements are needed for frog farming
What are the requirements for farming frogs
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What conditions are needed for rapid fattening of pigs?
What conditions are needed for rapid fattening of pigs
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What conditions are needed for a pond to raise crayfish with foxtail grass?
Many crayfish farming ponds raise crayfish by planting Elodea, and under the influence of various factors, farmers deeply feel that Elodea is difficult to...
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What products are most needed for cattle and sheep farming?
Cattle and sheep bells: Also known as brass bells, there is no need to introduce these in much detail. Basically every farmer has them, and they are a must-have item for every cattle and sheep farmer, ...