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| Assis,V.D.L.; Carvalho,T.S.G.; Pereira,V.M.; Freitas,R.T.F.; Saad,C.E.P.; Costa,A.C.; Silva,A.A.A.. |
| ABSTRACT This study evaluated the influence of physical environmental enrichment on the behavior of cockatiels (Nymphicus hollandicus). Eighteen birds, nine males and nine females, were monitored in environments enriched with wooden sticks and bead rings and in non-enriched environments, in a completely randomized design. Behavioral categories were grouped into locomotion, maintenance, rest, feed, undesirable activities, and interaction with environmental enrichment. Data were analyzed using descriptive analysis of behaviors to produce the ethogram and percentage comparison of frequency values for behavior analysis. Environmental enrichment positively influenced behavioral categories and some behavioral activities of birds. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ethogram; Parrot; Stress; Wild animal. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352016000300562 |
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| Landim,A.V.; Costa,H.H.A.; Carvalho,F.C.; Costa,A.C.; Alencar,R.T.; Silva,L.N.C.; Gomes,J.S.; Batista,A.S.M.; Miyagi,E.S.; Lima,L.D.. |
| RESUMO Objetivou-se avaliar o efeito do cruzamento entre ovinos nativos no desempenho e características da carcaça. Foram utilizados vinte cordeiros, machos, inteiros, com idade inicial de quatro meses, e peso médio inicial 19,0±5,11, distribuídos em dois grupos genéticos: Rabo Largo (RL) e Santa Inês x Rabo Largo (F1SI x RL), em um delineamento inteiramente ao acaso. Os animais foram terminados em regime de confinamento durante 70 dias. Os cordeiros F1SI x RL apresentaram maiores pesos ao desmame, ao abate, do corpo vazio, das carcaças quente e fria, e maior rendimento biológico. Verificaram maiores valores para os parâmetros de morfometria da carcaça para animais F1SI x RL comparados aos animais Rabo Largo (P<0,05). Os pesos da hemi-carcaça e dos... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ovinos; Cruzamento; Naturalizados; Rendimento de carcaça. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352017000501267 |
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| Aidar,M.P.M.; Martinez,C.A.; Costa,A.C.; Costa,P.M.F.; Dietrich,S.M.C.; Buckeridge,M.S.. |
| Plants grown in elevated CO2 environments may exhibit photosynthetic acclimation or down regulation, which is characterised by reduced rates of photosynthesis. In most cases of CO2-induced photosynthetic acclimation, the reduced rates of photosynthesis were still higher than those detected in plants growing at ambient CO2 concentrations. In this work we present a study on the behaviour of seedlings of Hymenaea courbaril, a late secondary/climax species that is one of the most important trees in mature tropical forests of the Americas. After germination, the seedling of H. courbaril increases its rate of growth due to the mobilisation of massive amounts of a storage cell wall polysaccharide (xyloglucan) from its cotyledons. In our experiments, germinated... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Photosynthesis; CO2 enrichment; Hymenaea courbaril; Storage mobilisation; Root:shoot ratio; Seedling growth; Cotyledons; Open top chamber; Xyloglucan; Biodiversity. |
| Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032002000100008 |
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