Rearing density
WebbTotal length, body length, body weight, and the normality of caudal fin reared in a black tank, at low light intensity (1,000Lx), or at low rearing density (300 individuals per m3) were higher than those of the fish reared in white tank, at high light intensity (4,000Lx), or at high rearing density (600 individuals per m3), respectively. … Webb9 jan. 2011 · Independent of size, fish kept at low density were more silvery (smolt-like) and had a lower mortality rate than fish reared at high density. There was also a density …
Rearing density
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Webb1 feb. 2024 · Based on these findings, oyster farmers should target rearing density of 500 oysters per bag for the 20–35 mm stage, 250 oysters for the 35–50 mm oysters and 200 oysters for the larger ones... Webb6 aug. 2013 · Groups of fish were stocked at four stocking densities: 200, 400, 600 and 800 fish/m 3, corresponding to a density of ∼3, 6, 9 and 12 kg/m 3 and referred to as D 1, D 2, …
Webb24 juni 2024 · Rearing density is recognized as a critical consideration in fish husbandry: whereas higher densities may increase productivity and reduce production costs, they also represent a potential source of chronic stress and may negatively affect growth … Webb9 okt. 2015 · Development time, body weight, and sex ratio were unaffected by rearing density. Overall, this study suggests that C. maculata larvae can be reared successfully at a density of 20 larvae/159 cm3 (≈ 0.126 larvae/cm3) in containers provisioned with powdered A. franciscana eggs.
Webb22 jan. 2009 · The final weights of the fish decreased insignificantly as density increased (p>0.05), with fish stocked at a density of kg/m2 having a mean weight of 746 g and …
WebbSilva, V. A., Trushenski, J., Schwarz, M. H., & Cavalli, R. O. (2024). Effects of rearing density on growth, physiological responses, and flesh quality in juvenile ...
Webb1 sep. 1996 · This study indicated that rainbow trout fry may be reared at initial densities approaching 44,000 fish/m3 (Piper density index of 1.1) without negatively affecting growth and fin condition or inducing higher levels of agonistic behavior later on. Rainbow trout Oncorhynchus mykiss fry were reared at four densities ranging from 10,800 to … rs.type_scroll_insensitiveWebb9 okt. 2024 · When the temperature, salinity, and rearing density was 25.14 °C, 30.28 psu, and 1.00 ind. ml−1, respectively, the accumulated growth rate for the black shell strain … rs.txtWebbEffects of rearing density and tank enrichment on the pre- and post-release performance of Atlantic salmon (Salmo salar) Artikel i vetenskaplig tidskrift, refereegranskad. Författare. … rs.zjhtcm.comWebb14 apr. 2003 · Rearing at high density can cause stress through deterioration in water quality, overcrowding or adverse social interactions Pickering and Pottinger, 1989, … rs.warranty medtronic.comWebb8 apr. 2024 · Using nearly 160,000 full-field digital mammogram images that were assigned density values on a visual analogue scale by experts (radiologists, advanced practitioner radiographers, and breast... rs.unicredit bankingWebbThe aim of this study was to determine the effects of feed restriction and rearing density on the migratory behaviour of Atlantic salmon smolts in the lower part of the flow-controlled river Umeälven in northern Sweden. Twenty acoustic receivers were deployed along the river section to cover all possible migration routes. rs.wasnullWebbDensity had a significant effect on the relationship between fish weight and specific growth rate and had no significant impact on the variation observed in individual fish weights … rs.web.att.com/pears/