|
|
|
| Registros recuperados: 10 | |
|
|
| Amaral,Pedro I. S.; Campos,Alessandro T.; Esteves Junior,Roberto da C.; Esteves,Gabriella F.; Yanagi Junior,Tadayuki; Leite,Maria E. C. R.. |
| ABSTRACT The objective of this study was to characterize the thermal environment and evaluate the behavior of finishing pigs housed in deep bedding and conventional systems. The work was carried out in the Department of Animal Science of the Federal Institute of Education, Science and Technology of Southeast Minas Gerais, Rio Pomba campus. Three pens were used in an installation for breeding pigs in their finishing phase. Two pens contained deep bedding, with wood shavings and rice husks. The remaining pen was a conventional system. The behavior of the piglets was observed from 8 a.m. to 5:30 p.m., noting the behaviors with the use of an ethogram, while data relating to the thermal environment in the stalls were automatically collected using data loggers.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Animal welfare; Animal behavior; Swine breeding; Breeding systems. |
| Ano: 2021 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162021000100025 |
| |
|
|
| Jung, T.; Stukely, M.J.C.; Hardy, G.E.St.J.; White, D.; Paap, T.; Dunstan, W.A.; Burgess, T.I.. |
| During surveys of dying vegetation in natural ecosystems and associated waterways in Australia many new taxa have been identified from Phytophthora ITS Clade 6. For representative isolates, the region spanning the internal transcribed spacer region of the ribosomal DNA, the nuclear gene encoding heat shock protein 90 and the mitochondrial cox1 gene were PCR amplified and sequenced. Based on phylogenetic analysis and morphological and physiological comparison, four species and one informally designated taxon have been described; Phytophthora gibbosa, P. gregata, P. litoralis, P. thermophila and P. taxon paludosa. Phytophthora gibbosa, P. gregata and P. taxon paludosa form a new cluster and share a common ancestor; they are homothallic and generally... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Aquatic habitat; Breeding systems; Evolution; Phylogeny; Radiation; Sterility; Survival. |
| Ano: 2011 |
URL: http://www.repository.naturalis.nl/record/532234 |
| |
|
|
| Jung, T.; Jung, M.H.; Scanu, B.; Seress, D.; Kovács, G.M.; Maia, C.; Pérez-Sierra, A.; Chang, T.-T.; Chandelier, A.; Heungens, K.; Poucke, K. van; Abad-Campos, P.; Léon, M.; Cacciola, S.O.; Bakonyi, J.. |
| During a survey of Phytophthora diversity in natural ecosystems in Taiwan six new species were detected. Multigene phylogeny based on the nuclear ITS, ß-tubulin and HSP90 and the mitochondrial cox1 and NADH1 gene sequences demonstrated that they belong to ITS Clade 7a with P. europaea, P. uniformis, P. rubi and P. cambivora being their closest relatives. All six new species differed from each other and from related species by a unique combination of morphological characters, the breeding system, cardinal temperatures and growth rates. Four homothallic species, P. attenuata, P. flexuosa, P. formosa and P. intricata, were isolated from rhizosphere soil of healthy forests of Fagus hayatae, Quercus glandulifera, Q. tarokoensis, Castanopsis carlesii,... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Biosecurity; Breeding systems; Evolution; Flow cytometry; Phylogeny; Phytophthora cambivora; Radiation. |
| Ano: 2017 |
URL: http://www.repository.naturalis.nl/record/618617 |
| |
|
|
| BARROS,MARILUZA GRANJA. |
| The pollination ecology and breeding systems of Tabebuia aurea (Manso) Benth. & Hook., and T. ochracea (Cham.) Standl. were investigated in an area of cerrado vegetation in the Federal District of Brazil. These species occur sympatrically, flower massively and synchronously for a month, during the dry season (July to September). Both have diurnal anthesis, with similar floral structures, a yellow tubular corolla and produce nectar. Fourteen species of bees visited both Tabebuia species, but, only three Centris species and Bombus morio, were considered potential pollinators, because of their high frequency on the flowers and their efficiency in carrying pollen. Tests on the breeding systems of T. aurea and T. ochracea demonstrated that boths species... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Breeding systems; Floral biology; Synchrony of flowering. |
| Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042001000300003 |
| |
|
|
| GOLDENBERG,RENATO; VARASSIN,ISABELA GALARDA. |
| Neste trabalho foram investigados os sistemas reprodutivos de espécies de Melastomataceae ocorrentes em formações florestais da Serra do Japi. Esta investigação foi baseada em polinizações controladas e em análises de viabilidade de pólen e de crescimento de tubo polínico. Entre as populações de 13 espécies estudadas, sete mostraram produção de frutos apomíticos (Leandra australis, L. melastomoides, L. purpurascens, Miconia latecrenata, M. petropolitana, Ossaea amygdaloides e O. confertiflora). Entre as seis espécies não apomíticas, apenas uma apresentou mecanismo de auto-incompatibilidade (Miconia pusilliflora), enquanto que as demais se mostraram auto-compatíveis (Leandra dasytricha, L. regnellii, Tibouchina cerastifolia, T. sellowiana e T.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Plant reproduction; Breeding systems; Apomixis; Melastomataceae. |
| Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042001000300006 |
| |
|
| |
|
| |
|
| |
|
| |
|
|
| Silva,Celice Alexandre; Oliva,Marco Antonio; Vieira,Milene Faria; Fernandes,Geraldo Wilson. |
| Trioecy, the co-occurrence of the males, females, and hermaphrodite morphs in natural populations, is a rare and poorly studied breeding system. It is expressed in Coccoloba cereifera, an endemic, and endangered species from the rupestrian fields of Serra do Cipó, southeastern Brazil. Male individuals produce staminate flowers but no fruits. Female individuals produce pistillate flowers and set fruits. Both staminate and pistillate flowers present non-functional organs of the opposite sex that simulate perfect flowers. Hermaphrodite individuals produce two different perfect flowers, each one belonging to distinct individuals, and set fruits. Perfect flowers differ in the amount of pollen produced, in pollen viability, and in some morphological traits. Two... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Agamospermy; Breeding systems; Coccoloba cereifera; Sex determination; Sexual morphs; Trioecy. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000500017 |
| |
| Registros recuperados: 10 | |
|
|
|
