Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Danilo F. Pereira"'
Autor:
Bartira de O. Tavares, Danilo F. Pereira, Douglas D'Alessandro Salgado, Priscilla A. Bustos Mac-Lean
Publikováno v:
Engenharia Agrícola, Vol 38, Iss 4, Pp 478-485 (2018)
ABSTRACT The conventional production of eggs in cage systems is intense and compromises the laying hens welfare. More demanding consumer markets have been pushing to abolish the use of cages and thus provide better welfare in poultry laying. This res
Externí odkaz:
https://doaj.org/article/588ac373a3174cc7b00f668abce600c2
Autor:
Danilo F. Pereira, Vanessa Kodaira, Leda G. de F. Bueno, Nilce M. Soares, Douglas D'Alessandro Salgado
Publikováno v:
Engenharia Agrícola, Vol 37, Iss 5, Pp 855-866 (2017)
ABSTRACT: The objective of this study was to compare the performance of laying hens between automated aviaries, one with and another without acclimatized system. On a daily basis it was registered in each aviary the mortality, the egg production, and
Externí odkaz:
https://doaj.org/article/6fadf88b97e446418e3018c6cd072081
Publikováno v:
Engenharia Agrícola, Vol 37, Iss 5, Pp 848-854 (2017)
ABSTRACT: Lighting, either in its intensity or in its luminous spectrum, affects the eggs quality. This study evaluated the effect of four lamps (sodium vapor lamp, mercury vapor lamp, fluorescent lamp and incandescent lamp) that have different lumin
Externí odkaz:
https://doaj.org/article/53afa1451a75476e9fbb0d52a12f3bb2
Autor:
Thayla M. R. de C. Curi, Daniella J. de Moura, Juliana M. Massari, Márcio Mesquita, Danilo F. Pereira
Publikováno v:
Engenharia Agrícola, Vol 37, Iss 1, Pp 1-12 (2017)
ABSTRACT With the recent increase in the number of acclimatized broiler houses in Brazil, design and adaptation of facilities to withstand the tropical weather conditions enabling the maintenance of ideal conditions without increasing costs have been
Externí odkaz:
https://doaj.org/article/f804626f5f9d4456a1c7cbd115ccd7b8
Publikováno v:
Engenharia Agrícola, Vol 32, Iss 4, Pp 624-632 (2012)
The research proposes a methodology for assessing broiler breeder response to changes in rearing thermal environment. The continuous video recording of a flock analyzed may offer compelling evidences of thermal comfort, as well as other indications o
Externí odkaz:
https://doaj.org/article/0959428b8ac540809d34536d138d7cd9
Publikováno v:
Engenharia Agrícola, Vol 31, Iss 5, Pp 835-846 (2011)
Thermal and air conditions inside animal facilities change during the day due to the influence of the external environment. For statistical and geostatistical analyses to be representative, a large number of points spatially distributed in the facili
Externí odkaz:
https://doaj.org/article/4bee133de9d24b91a771001deffc00a2
Publikováno v:
Engenharia Agrícola, Vol 31, Iss 2, Pp 219-229 (2011)
A estimativa de conforto térmico na avicultura moderna é importante para que sistemas de climatização possam ser acionados no tempo correto, diminuindo perdas e aumentando rendimentos. Embora a literatura corrente apresente alguns índices de con
Externí odkaz:
https://doaj.org/article/d9f00bf349b14c4ea395203bcf219ce7
Publikováno v:
Engenharia Agrícola, Vol 28, Iss 4, Pp 624-633 (2008)
Entender o comportamento e suas pequenas variações decorrentes das mudanças do ambiente térmico e desenvolver modelos que simulem o bem-estar a partir de respostas das aves ao ambiente constituem o primeiro passo para a criação de um sistema de
Externí odkaz:
https://doaj.org/article/a7f0526b37fa473fbb596d87ebf8506d
Publikováno v:
Engenharia Agrícola, Vol 27, Iss 3, Pp 596-610 (2007)
Ajustes de comportamento podem ocorrer rapidamente e a custo menor do que os ajustes fisiológicos. Considerando o comportamento social, é sugestivo que a freqüência e a intensidade de interações agressivas, o total de coesão social e a extens
Externí odkaz:
https://doaj.org/article/6932d40ed42b4856ba987789ba62c855
Publikováno v:
Engenharia Agrícola, Vol 27, Iss 3, Pp 619-629 (2007)
O estudo de reprodutoras de frangos de corte é de grande importância para o País, uma vez que o frango de corte é um dos maiores itens agropecuários em exportação, sendo o Brasil o segundo maior exportador mundial dessa carne. O comportamento
Externí odkaz:
https://doaj.org/article/881dedfd12be484aace2974ab754cd6a