Modern greenhouse culture of juvenile soft-shelled turtle, Pelodiscus sinensis

被引:28
作者
Zhang, Jing [1 ,2 ]
Wang, Fen [1 ,2 ]
Jiang, Ye-Lin [1 ,2 ]
Hou, Guan-Jun [1 ,2 ]
Cheng, Yun-Sheng [1 ,2 ]
Chen, Hong-Lian [1 ,2 ]
Li, Xiang [2 ,3 ]
机构
[1] Anhui Acad Agr Sci, Fisheries Res Inst, S-40 Nongke Rd, Hefei 230031, Anhui, Peoples R China
[2] Anhui Engn Res Ctr Turtle Farming Technol, Huaishang Div, Bengbu 233701, Peoples R China
[3] Anhui Xijia Agr Dev Co Ltd, Huaishang Div, Yanghu Village 10, Bengbu 233701, Peoples R China
关键词
Greenhouse; Chinese soft-shelled turtle; Ground source heating pump; Rearing performance; Economic analysis; PROTEIN REQUIREMENT; WASTE-WATER;
D O I
10.1007/s10499-017-0137-y
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
Chinese soft-shelled turtle (Pelodiscus sinensis) is a favorite food for the Asian because of its high nutritional and medicinal value. Based on an estimate production of 350,000 MT in 2015, soft-shelled turtle culture industry in China values US$5.22 billion. In central China, overwinter in greenhouse is necessary for the juvenile turtle. The use of coal boiler to heat up the water to 30 degrees C is a common practice, however, brings in air pollution and CO2 emission too. A modern greenhouse equipped with ground source heat pump was built in 2010 and operated during 2014-2015 for 10 months to culture juvenile turtle. Besides heating system, the other innovative features such as skirt-shaped 3-D shelter, underwater feeding platform wok-shaped tank bottom with central drainage, and semi-homemade soft shell-shaped pellet together achieved excellent rearing performance, such as high turtle productivity of 23.7 kg m(-2), high survival 86%, low feed efficiency-feed conversion rate 1.26 and good water quality-dissolved oxygen > 5 mg L-1, and nitrite and ammonia concentration all time within safe range. Moreover, it is a lucrative business which brought in an estimated net profit of 76%.
引用
收藏
页码:1607 / 1624
页数:18
相关论文
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