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This report was commissioned by the Salmon Aquaculture Dialogue. The Salmon Dialogue is a multi ‐ stakeholder, multi ‐ national group which was initiated by the World Wildlife Fund in 2004. Participants include salmon producers and ...
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120 broiler-type [male][male] were kept under a regime of 23-h light:1-h darkness (23L:1D) at 54 lux from 1 day to 5 wk of age, when they were divided into 6 groups subjected to 12L:12D or 16L:8D at 5.4, 10.8 or 54 lux. Semen production and the fertility of semen diluted 1:3 in Lake's diluent were s...
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80 ejaculates were obtained from each of 4 [male][male] from a line selected for post-thawing fertility duration of their inseminated spermatozoa, and the same number of ejaculates was obtained from 4 [male][male] of a randombred line. Semen was diluted with N,N-dimethylacetamide (DMA) or glycerol a...
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Cost effective disease control on the dairy farm can enhance productivity and subsequently profitability. Previous economic studies on animal disease have focused on production losses and evaluation of disease eradication programmes and provided little guidance as to the optimal prevention action. T...
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Semen from [male] fowls of a randombred line and a line selected for increased fertility duration of thawed semen (12 [male][male] per line) was diluted in Lake's diluent with or without glycerol. Half of each sample was frozen to -196 degrees C at -6 degrees per min, and thawed next morning. All se...
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130-day-old [male][male] of the Quebec line were subjected to 6 lighting treatments from 5 wk of age. The percentage of [male][male] producing semen was significantly affected by light regime. Under 12-h light; 12-h darkness (12L:12D) with constant intensity (10.8 lux) or increasing intensity (5.4-5...
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Approaches to sea lice control vary considerably fr om one country to another; however all rely on monitoring schemes. To ensure the futur e sustainability of both wild salmonid stocks and the Scottish aquaculture sector, it is e ssential that the monitoring schemes in place operate at their most ef...