共查询到20条相似文献,搜索用时 46 毫秒
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S.J. De Groot 《Aquaculture (Amsterdam, Netherlands)》1979,18(1):69-70
A simple mechanical feeding device is described which can volumetrically deliver a preset quantity of pelleted or granulated dry fish feed. 相似文献
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《Aquaculture (Amsterdam, Netherlands)》1987,65(1):89-90
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《Aquaculture (Amsterdam, Netherlands)》1987,61(1):78-79
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Malcolm Jobling 《Aquaculture International》2010,18(4):715-712
Compensatory growth refers to an animal’s ability to grow extremely rapidly after it has experienced a period of reduced growth.
It is also widely held that the growth trajectories of animals showing compensatory growth converge towards those followed
by conspecifics that have experienced favorable growth conditions throughout their lives. In other words, it is often assumed
that animals undergoing compensatory growth also show some recovery, and thereby exhibit catch-up growth. This belief has
resulted in the terms compensatory growth, recovery growth, and catch-up growth being used as synonyms, and has also created
some problems with regard to data analysis and interpretation. Following a discussion of methods of analysis and their limitations,
a series of growth simulations is presented to illustrate why the terms should not be used as synonyms. The simulations, based
upon the assumption that compensatory growth results in a restoration of body composition (using condition index as a surrogate),
show that compensatory growth is not always accompanied by a convergence of growth trajectories. Compensatory growth can occur
in the absence of catch-up growth, and the simultaneous observation of compensatory growth and a recovery of body mass is
a special combination of events. Further, it is possible for growth trajectories to converge even when animals that have experienced
a period of reduced growth do not display compensatory growth. Definitions are proposed that distinguish between the terms
compensatory growth, recovery growth, and catch-up growth, and guidelines are given relating to the analysis of the results
of fish compensatory growth studies. 相似文献
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