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题名: Effects of temperature and feeding frequency on ingestion and growth for rare minnow
作者: Wu, Benli1, 2; Luo, Si1, 2; Wang, Jianwei1
通讯作者: Wang, JW (reprint author), Chinese Acad Sci, Inst Hydrobiol, 7 Donghu South Rd, Wuhan 430072, Hubei, Peoples R China.
关键词: Temperature ; Feeding frequency ; Rare minnow (Gobiocypris rams) ; Growth ; Evacuation
刊名: PHYSIOLOGY & BEHAVIOR
发表日期: 2015-03-01
DOI: 10.1016/j.physbeh.2014.12.034
卷: 140, 页:197-202
收录类别: SCI ; SSCI
文章类型: Article
部门归属: [Wu, Benli ; Luo, Si ; Wang, Jianwei] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China ; [Wu, Benli ; Luo, Si] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
WOS标题词: Social Sciences ; Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Psychology, Biological ; Behavioral Sciences
研究领域[WOS]: Psychology ; Behavioral Sciences
英文摘要: Water temperature and feeding frequency are two important components in feeding strategy that directly affect the growth and physiology of fishes. The rare minnow (Gobiocypris rarus) has been cultured for decades in the laboratory as an experimental fish and is widely used in environmental science research. An 8-week factorial feeding experiment was conducted on juvenile rare minnows to investigate the interaction between water temperature (ambient, 20, 24, 28 degrees C) and feeding frequency (one, two, three meals per day) on growth performance, feed utilization, gut evacuation and adaptability to variable environmental conditions. Groups fed three times a day at 28 degrees C attained the maximum final body weight, followed by those fed two times a day at 24 degrees C. There was an obvious curvilinear relationship between specific growth rate and temperature. Increased temperature significantly promoted food consumption and growth rate, but there were no benefits on growth by feeding multiple times at temperatures of 18 degrees C or lower. Temperature and feeding frequency also affected gut evacuation rates: high temperature and frequency lead to fast evacuation. These results show that the optimal temperature and feeding frequency for rare minnow is 24 degrees C and two meals a day for maximal growth, feeding efficiency, and daily management. The findings also suggest that the rare minnow has the ability to rapidly adapt to changing culture conditions by adjusting physiological activities in the short term. (C) 2014 Elsevier Inc. All rights reserved.
关键词[WOS]: TROUT ONCORHYNCHUS-MYKISS ; CATFISH ICTALURUS-PUNCTATUS ; RAINBOW-TROUT ; WATER TEMPERATURE ; FOOD-CONSUMPTION ; BODY-COMPOSITION ; GASTRIC EVACUATION ; PARALICHTHYS-OLIVACEUS ; GOBIOCYPRIS-RARUS ; ENZYME-ACTIVITY
语种: 英语
WOS记录号: WOS:000349588400026
ISSN号: 0031-9384
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23838
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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