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2.
Br Poult Sci ; 37(5): 923-7, 1996 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-9034582

RESUMO

1. The effect in broilers of tibial dyschondroplasia (TD) on carcase part weights and bone characteristics was investigated by studying the progeny of 10 sires and 40 dams. The correlations between TD and bone variables were also estimated. 2. The incidence of TD was 59% at 42 d of age. There were no significant differences in slaughter weight of birds with and without TD. However, in females, breast weight was heavier in affected birds. Neck plus back weight of birds with TD was significantly heavier than in birds without TD. 3. Breast blister frequency of birds was independent of the presence of TD. 4. Birds with TD had longer bones than birds without TD. However, TD had no effect on tibiotarsus weight, width, ratio of tibiotarsal to body weight and ash. A negative correlation was observed between TD score and bone ash percentage.


Assuntos
Composição Corporal/fisiologia , Peso Corporal/fisiologia , Galinhas/fisiologia , Osteocondrodisplasias/veterinária , Doenças das Aves Domésticas/fisiopatologia , Tíbia/fisiopatologia , Animais , Feminino , Incidência , Masculino , Minerais/análise , Osteocondrodisplasias/patologia , Osteocondrodisplasias/fisiopatologia , Doenças das Aves Domésticas/epidemiologia , Doenças das Aves Domésticas/patologia , Índice de Gravidade de Doença , Tíbia/química , Tíbia/patologia
3.
J Marmara Univ Dent Fac ; 1(3): 257-62, 1992 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-1308786

RESUMO

There have been many studies on the gutta percha cones used in endodontic therapy. Variations exist between different brands of cone. Since an appropriate cone plays a very important role in the prognosis of therapy, this study examined the surface topography and chemical composition of eight different brands of cone by, a scanning electron microscopy (SEM) and atomic absorption spectrometry. There were some differences between all brands of gutta percha cones.


Assuntos
Guta-Percha/química , Microscopia Eletrônica de Varredura , Propriedades de Superfície , Óxido de Zinco/química
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