Control of feed dispensation in seacages using underwater video monitoring: effects on growth and food conversion by Ang, K.P., Petrell, R.J.

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Measurement of fish size in atlantic salmon ( salmo salar l.) cages using stereographic video techniques by Shieh, A.C.R., Petrell, R.J.

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Using modified length–weight relationships to assess the condition of fish by Jones, R.E., Petrell, R.J., Pauly, D.

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Analysis of pond seepage for application in fisheries and aquaculture by Farnworth, M, Petrell, R.J

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Accuracy of a machine-vision pellet detection system by Parsonage, Kevin D., Petrell, Royann J.

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Accumulation and natural disintegration of solid wastes caught on a screen suspended below a fish farm cage by Buryniuk, Mardell, Petrell, Royann J., Baldwin, Susan, Lo, K. Victor

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Determining fish size and swimming speed in cages and tanks using simple video techniques by Petrell, R.J., Shi, X., Ward, R.K., Naiberg, A., Savage, C.R.

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Pellet wastage, and subsurface and surface feeding behaviours associated with different feeding systems in sea cage farming of salmonids by Ang, K.P, Petrell, R.J

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Swimming speed and morphological features of mixed populations of early maturing and non-maturing fish by Boucher, E, Petrell, R.J

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Integrated cultivation of salmonids and seaweeds in open systems by Petrell, R.J. (British Columbia Univ., Vancouver, B.C. (Canada). Dept. of Bio-Resource Engineering), Alie, S.Y

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Link Analysis of a Prototype Wireless Implanted Tracking Tag by Lea, A., Vaughan, R., Dunford, W.G., Petrell, R.J., Trites, A.

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Microbial Growth in Bulk Whole Corn Kernels Subjected to High Pressure Compaction by McNULTY, P B, Petrell, R J, Fung, D Y C, Mohsenin, N N

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