999 resultados para ALBERT II


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fasc.22 [Echantillons D'eaux & de Fonds) (1902)

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fasc.30 [Antipathaires & Cérianthaires] (1905)

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The author studied in this paper the substitution of a balanced ratio for an economic ratio composed of 50% of sugar beet and 50% of balanced ratio, in feeding ducks egg production. It was found that the combination had no advantage since the production of eggs was very much reduced.

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The pedigree of chickens homozygous for black plumage and naked and now obtained in the Poultry Department of the "Luiz de Queiroz" School of Agriculture, was traced in this paper. The animals will be used in the formation of the new local breed called "Piracicaba PPPP", (Pescoço Pelado Preta de Piracicaba), which we propose to start with selection of others morphological characters and mainly the economical ones: egg laying, early maturing and soft-meated chickens.

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The data reported in this paper are in accordance with the hypothesis previously established (2) of the interaction of a main pair of alleles as controlling the inheritance of black, blue and blue-splashed plumage in chickens received from the State of Goias, Brazil. The black plumage is relatively uniform but the blue and blue splashed plumages indicate the action of other genes regulating the lack of uniformity.

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fasc.43 [Exploration pt.4] (1912-1914)

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This paper deals with an experiment to determine the optimum period (number of days) in fattening chickens. Thirty chickens R. I. R. were numbered, weighed and feeded in crate, with one standard ration (17% crude protein). The chickens were weighted every two days and the results obtained indicate the optimum is reached between 12 and 16 days of feeding. It was observed that after 16 days the weights stop or decrease progressively as showed by the Grafic I.