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Communal roosts of the Blue-fronted Amazons (Amazona aestiva) in a large tropical wetland: Are they of different types? Author(s): SEIXAS, G. H. F.; MOURAO, G. de M. Psittacidae species are among the most threatened birds in the world. Approximately onehalf of the 390 parrot species are experiencing population declines. The Blue-fronted Amazon (Amazona aestiva) is... ... Repository: BDPA Publication year: 2018
A long-term study indicates that tree clearance negatively affects fledgling recruitment to the Blue-fronted Amazon (Amazona aestiva) population. Author(s): SEIXAS, G. H. F.; MOURAO, G. he Blue-fronted Amazon (Amazona aestiva) is a Neotropical parrot with a large distribution in South America, including areas in Brazil, Bolivia, Argentina and Paraguay. A substantial part of the popul... ... Repository: BDPA Publication year: 2022
Relationship between weight age and hatching success and the concentration of heavy metals in nestling blue macaw (Anodorhynchus hyacinthinus Latham, 1790) in the Pantanal, Mato Grosso do Sul. Author(s): MARCHESI, M. D.; ROSSI, J. L.; GUEDES, N. M. R.; CARNEIRO, M. T. W. D.; ENDRINGER, D. C.; CAMARGO FILHO, C. B. The concentration of heavy metals (Cr, Fe, Al, As, Cd, Cu, Pb, Mo, Ni, Se and Zn) was evaluated in the blood of nestling blue macaws (Anodorhynchus hyacinthinus) captured in the Pantanal, Mato Grosso... ... Repository: BDPA Publication year: 2015
Occurrence and risk factors assessment associated with Mycoplasma gallisepticum (MG) infection in chickens in the semiarid region of Pernambuco, Brazil. Author(s): SÁ, S. G. de; PINHEIRO JÚNIOR, J. W.; VILELA, S. M. de O.; MORAES, E. P. B. X.; ALBUQUERQUE, P. P. F.; FERREIRA, D. R. A.; MOTA, R. A. The aim of the present study was to assess the occurrence of Mycoplasma gallisepticum (MG) infection and risk factors of this disease in three hundred serum samples from on 23 familiar agricultural pr... ... Repository: BDPA Publication year: 2015
Pruning cycles and nitrogen fertilization of coffee fields conducted in the "safra zero" system. Author(s): JAPIASSÚ, L. B.; GARCIA, A. L. A.; GUIMARÃES, R. J.; PADILHA, L.; CARVALHO, C. H. S. de Modern, competitive and cost effective coffee production requires plants with high productivity that are more adapted to mechanical and manual harvesting. ?Safra Zero? is a cultivation system designed... ... Repository: BDPA Publication year: 2009

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