A Treatise on the Management of Fresh-water Fish: With a View to Making Them a Source of Profit to Landed Proprietors

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London, 1841 - 38 páginas

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Página 1 - Fish are equally nutritious with those of the sea; they are much lighter as food, and therefore easier of digestion; and were it not owing to the neglected state of ponds, which, on the old system, cause the fish to be muddy, earthy or weedy, there is no doubt that
Página 3 - where it should be twelve or eighteen inches deeper than the rest of the pond, in order that when the water is drawn off, the fish may be collected into a close space, and when the sluice is again closed, that an accumulation
Página 3 - water may immediately take place, sufficient for the protection of the brood or succeeding store. In the rainy season it is always advisable to let the ponds fill to the
Página 5 - much of the food of the original store would be consumed were not the second pond larger, and so capable of receiving the addition; it would moreover prove extremely detrimental, as I shall afterwards show.
Página 4 - As all foliage is pernicious, and the decomposition highly injurious to fish, especially to the fry or brood, it must be fully borne in mind that trees or shrubs should never be planted on the borders or margins of the ponds ; but if ornament

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