中山麻鸭 罗氏沼虾

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Zhongshan Ma duck

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Gradually bred under the pieces.

Zhongshan Ma duck, the size of the body is moderate, subcutaneous fat is less, used to make 'winter melon' and 'Chenpi duck', is the famous dish of the restaurant.

The appearance of the Zhongshan duck is in addition to the male duck's head and aileron feathers, and the feathers of the mirror are greenish luster. The feathers are brown and yellow, so it is called a duck.

The growth rate of the duck was measured according to the feeding of the South China Agricultural College: the weight of the 30-day-old meat duck was 259.2 g, the weight of the 60-day-old body was 680.2 g, and the weight of the 90-day-old body was 1315 g.

In the second and third years after the production, the average laying time of each female duck is 160 to 170, the highest is 200, and each egg weighs about 50-80 grams.

The slaughter rate of 90-day-old male and female ducks was 83.37%.

In addition to local breeding, Zhongshan Ma ducks are also distributed in Zhuhai, Doumen, Panyu, Dongguan, Xinhui, Nanhai and Baoan.

Macrobrachium rosenbergii

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xx中山于1978年引进罗氏沼虾(Macrobrachium rosenbergii)。1979年人工孵化繁殖后,开始在小鱼塘中投入少量虾。 1982年,在多宝林果田引入一批罗氏沼虾幼苗154天,成活率为66%,平均产量为116.3 kg。自1983年以来,水产养殖部门一直致力于构建罗氏沼虾和优质水产养殖基地。 1984年,中国水产养殖公司和省渔业厅共同投资210.5元,将中山养殖养殖场改造为广东省淡水养殖第三大养殖场,新挖掘改造395亩池塘,建设越冬苗圃温室面积1070平方米。赖斯已将该领域从以稻米为基础转变为罗氏沼虾的繁殖和繁殖。 1985年至1987年,全市再投资235万元,先后在南朗,翠亨村沿海地区开发建设了中山特种水产养殖示范点,中泰水产养殖有限公司和市水产研究所。基于优质鱼虾的水产养殖基地共建设了1,350亩池塘,使新兴的罗氏虾养殖业得以迅速发展。从1984年开始,该市有2个农场,170亩池塘,总产量18.9吨,平均产量114公斤。它于1987年发展成为一个10年的农场,镇和镇,面积991亩,总产量72吨。 72公斤已成为广东省罗氏沼虾繁殖和繁殖的重要基地。

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