Results 91 to 100 of about 3,425 (196)
The Evolution of Bourgeois, Parasitic, and Cooperative Reproductive Behaviors in Fishes [PDF]
, 2017 Among vertebrate classes, fishes exhibit by far the greatest variability in competitive and cooperative behaviors in male reproduction. Scramble competition between reproductive males is one possibility.
Taborsky, M.
core
Semina: Ciências Biológicas e da Saúde, 2012 We evaluated the level of infestation of biting lice (Struthiolipeurus rheae) in emus (Rhea americana) kept in a breeding business in the state of Piaui. We used 16 emus, 12 adults, six of them were males and six females.
Aírton Mendes Conde Júnior +6 more
doaj
Kiwi forego vison in the guidance of their nocturnal activities [PDF]
, 2007 We propose that the Kiwi visual system has undergone adaptive regression evolution driven by the trade-off between the relatively low rate of gain of visual information that is possible at low light levels, and the metabolic costs of extracting that ...
Corfield, Jeremy +5 more
core
Productions avicoles, bien-être et législation européenne
INRAE Productions Animales, 2004 En Europe, l’élaboration de la législation concernant le bien-être animal est le fait de deux organisations qui sont le Conseil de l’Europe et l’Union Européenne.
D. GUEMENE, J.M. FAURE
doaj +1 more source
, 2012 Multicellular animals are a diverse lot, with widely varied body plans and lifestyles. One feature they share, however, is a nearly universal reliance on sexual reproduction for species propagation.
Gamble, Tony
core +1 more source
Multidisciplinary Journal for Education, Social and Technological Sciences, 2014 The episode of the History of Science (HOS) on the theory of continental drift proposed by Alfred Wegener has been considered an excellent example for teaching students aspects of Nature of Science (NOS) and the relation of Science with social and ...
Cristina Sousa
doaj +1 more source
Bulletin of the British Museum (Natural History) Zoology, 1956 (Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire +1 more source
A PRELIMINARY FEASIBILITY FOR ESTABLISHING A MULTI-SPECIES MEAT PROCESSING PLANT IN SOUTHWESTERN NORTH DAKOTA [PDF]
The number of small commodity livestock slaughter plants in the Upper Northern Plains region continues to decline. Significant factors contributing to this decline include: 1) pressure to consolidate, thereby capturing economies of scale; 2) relatively ...
Brown, Erin +5 more
core +1 more source
Anatomía económica de Rheidae Economic anatomy of Rheidae
Intersecciones en Antropología, 2006 En el siguiente trabajo se presentan los Índices de Rendimiento Económico para Rheidae (Clase: Aves), los cuales incluyen los cálculos del Índice de Utilidad General Modificado (Modified General Utility Index o MGUI) y de los índices que lo componen: el ...
Miguel A. Giardina
doaj
Technological and nutritional properties of ostrich, emu, and rhea meat quality
Journal of Veterinary Research, 2016 In recent years a growing demand for ratite meat, including ostrich, emu, and rhea has been observed all over the world. However, consumers as well as the meat industry still have limited and scattered knowledge about this type of meat, especially in the
Horbańczuk Olaf K. +1 more
doaj +1 more source