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The effect of different weekly feeding frequencies on Nile tilapia fingerlings of 2.02g, was determined during 12weeks. This was done by feeding the fish 7days/week, 6days/week or 5days/week. After this restriction feeding period, all fish were fed as the control group (7days/week) during 26days to study the capability of the fish to compensate the growth during this re-feeding period. At the end of the feeding restriction period, there were significant differences in weights among the different treatments, although the significance was detected only at 7days/week level, which presented the highest final body weight compared with the other 2 treatments. The daily feed intake and the feed conversion and protein efficiency ratios did not present significant differences. Crude protein efficiency (CPE) and gross energy efficiency (GEE) were affected by the feeding frequency, presenting high values in fish fed 7days/week. Growth results obtained during this re-feeding period indicate that weight gain (WG) and specific growth rate (SGR) presented a linear increase from 7 to 5days/week, i.e. with increasing feed deprivation period the fish could compensate the growth effectively, trying to reach to the weight as those of the control group

Effects of weekly feeding frequency and previous ration restriction on the compensatory growth and body composition of Nile tilapia fingerlings