Effects of Feeding Frequency and Handling on Growth and Mortality of Cultured Walking Catfish Clarias fuscus
dc.contributor.author | Buurma, Brian J. | en_US |
dc.contributor.author | Diana, James S. | en_US |
dc.date.accessioned | 2010-06-01T18:45:55Z | |
dc.date.available | 2010-06-01T18:45:55Z | |
dc.date.issued | 1994-06 | en_US |
dc.identifier.citation | Buurma, Brian J.; Diana, James S. (1994). "Effects of Feeding Frequency and Handling on Growth and Mortality of Cultured Walking Catfish Clarias fuscus ." Journal of the World Aquaculture Society 25(2): 175-182. <http://hdl.handle.net/2027.42/71962> | en_US |
dc.identifier.issn | 0893-8849 | en_US |
dc.identifier.issn | 1749-7345 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/71962 | |
dc.description.abstract | Two experiments were conducted to study the effects of feeding frequency on growth, and of handling stress on growth and mortality, in intensive tank culture of the walking catfish Clarias fuscus . In the first experiment, fish were grown from an initial weight of 37 g for 34 d. A fixed ration of 3.0% body weight per day was divided into either 1, 2, or 3 feedings per day, and fish were either handled weekly or left unhandled for the entire experiment. Fish given 3 feedings per day experienced 19% faster growth ( P < 0.05) than fish given the same ration in a single feeding per day. These differences in growth reflect differences in assimilation efficiency, assuming all other metabolic costs were constant among treatments. Handling of individuals caused decreased growth; however, there was no effect on mortality. In the second experiment, fish were grown from an initial weight of 78 g for 29 d. Fish were fed either 1 or 2 satiation feedings per day and were either handled weekly or left unhandled for the entire experiment. Fish fed 2 satiation feedings per day experienced 47% faster growth ( P < 0.05) than fish fed 1 satiation feeding per day, which was assumed to reflect a higher level of food consumption. No effect of handling on either growth or mortality was observed for fish in experiment 2. Multiple meals per day also reduced depensatory growth among individuals in both experiments. | en_US |
dc.format.extent | 611840 bytes | |
dc.format.extent | 3109 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.publisher | Blackwell Publishing Ltd | en_US |
dc.rights | 1994 World Aquaculture Society | en_US |
dc.title | Effects of Feeding Frequency and Handling on Growth and Mortality of Cultured Walking Catfish Clarias fuscus | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Natural Resources and Environment | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | School of Natural Resources, University of Michigan, Ann Arbor, Michigan 48109–1115 USA | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/71962/1/j.1749-7345.1994.tb00179.x.pdf | |
dc.identifier.doi | 10.1111/j.1749-7345.1994.tb00179.x | en_US |
dc.identifier.source | Journal of the World Aquaculture Society | en_US |
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dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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