Results 31 to 40 of about 15,913 (168)

Campylobacteriosis in beef cattle in Alentejo – preliminary assessment [PDF]

, 2014
The aim of this study was to assess the prevalence of infection by Campylobacter fetus in beef cattle reared in extensive systems in Alentejo region by direct fluorescent antibody test (DFAT), a technique widely used for determining the prevalence of ...
Pinto Coelho, M, Potes, M.E., Queiroga, M. C.   +2 more
core  

Genetic Evaluation Weight, Carcass and Stayability in Nellore Females

Journal of Animal Breeding and Genetics, Volume 142, Issue 6, Page 718-731, November 2025.
ABSTRACT Traits related to growth, carcass quality and stayability are key components in enhancing the profitability and sustainability of Nelore cattle production systems. This study aimed to estimate heritabilities and genetic and environmental correlations for these traits using a Bayesian approach. Data from 94,703 females were analysed for weights
Isabella Silva de Carvalho, Sirlene Fernandes Lázaro, Eula Regina Carrara, Matheus Rodrigues de Souza, Humberto Tonhati   +4 more
wiley   +1 more source

Premedication with amitraz or xylazine for anesthetic induction of cattle with ketamine [PDF]

, 2008
Os agonistas alfa-2 são muito utilizados como medicação pré-anestésica na espécie bovina, promovendo sedação, analgesia e miorrelaxamento, enquanto a cetamina, em virtude de suas propriedades analgésicas e simpatomiméticas, tem ótimo uso na indução ...
Almeida, Ricardo Miyasaka de, Reis, Renata Gemio, Valadão, Carlos Augusto Araújo   +2 more
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Enraizamento de estacas de espécies de maracujazeiro (Passiflora spp.) no inverno e no verão. [PDF]

, 2019
O maracujazeiro está entre as principais frutíferas cultivadas no País, mas apresenta limitações no cultivo, ocasionando baixa produtividade, que pode ser superada através do uso da estaquia, clonando as melhores matrizes de alta produtividade. Com isso,
MARTINS, A. B. G., NOGUEIRA FILHO, G. C., OLIVEIRA, J. C. de, RONCATTO, G., RUGGIERO, C.   +4 more
core   +1 more source

Climate Change in the Brazilian Cerrado: A Looming Threat to Terrestrial Biodiversity

WIREs Climate Change, Volume 16, Issue 5, September/October 2025.
Due to climate change, the Brazilian Cerrado, a global biodiversity hotspot, is becoming hotter and drier, with longer and more intense dry seasons. This alters biodiversity by altering plant physiology, ecological interactions, and species distribution, creating more homogeneous and less diverse communities.
Gabriel S. Hofmann, Eliseu J. Weber, Vinicius Augusto Galvão Bastazini, Davi R. Rossatto, Augusto C. Franco, Camille E. Granada, Lucas A. Kaminski, Flávio K. Ubaid, Victor Leandro‐Silva, Márcio Borges‐Martins, Rafael C. Silva, Manoel F. Cardoso, Luiz F. B. Oliveira, Francisco E. Aquino, Maria J. R. Pereira   +14 more
wiley   +1 more source

Causes and characteristics of uveitis in dogs [PDF]

, 2014
A uveíte é uma das afecções oculares mais frequente nos cães, muitas vezes associada a doença sistémica. O trabalho que se apresenta é um estudo retrospetivo de casos de uveítes caninas e foi realizado com o objetivo de fazer uma análise descritiva das ...
Cardoso, MM, Magno, D, Queiroga, M. C.
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Host species and age‐specific variation on Hepatozoon prevalence and its effect on body condition in two Neotropical crocodiles

Wildlife Biology, Volume 2025, Issue 5, September 2025.
Many populations of species belonging to the order Crocodilia are threatened due to illegal trafficking, indiscriminate hunting, and habitat loss and degradation affecting crocodilian health and parasitic load. Although several studies have revealed that crocodiles, caimans, and alligators are frequently infected by Hepatozoon spp., the results from ...
Alfonso Marzal, Wendy Flores‐Saavedra, Sergio Magallanes, Jaime Muriel, Jefferson Lezama‐Briceño, Luis Alberto García‐Ayachi, Esteban Fong, Carlos Mora‐Rubio, Carlos Mendoza, Blanca Saldaña, Alazne Díez‐Fernández, José Martin, Carlos Marcial Perea‐Sicchar, Manuel González‐Blázquez   +13 more
wiley   +1 more source

Pegamento da enxertia em diferentes combinações de variedades e espécies utilizadas como copa e como porta-enxertos de maracujazeiro. [PDF]

, 2017
O Brasil é o maior produtor de maracujá. Mas, apesar da posição de destaque, a vida útil do maracujazeiro vem sendo reduzida, principalmente, devido aos danos causados por doenças do sistema radicular.
ASSIS, G. M. L. de, LESSA, L. S., OLIVEIRA, T. K. de, RONCATTO, G.   +3 more
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Description and key to the fifth-instars of some Cicadas (Hemiptera: Cicadidae) associated with coffee plants in Brazil [PDF]

, 2011
Fifth-instars of the cicada species Dorisiana drewseni (Stål), Dorisiana viridis (Olivier), Fidicina mannifera (Fabricius), Fidicinoides pronoe (Walker) and Carineta fasciculata (Germar) are described and illustrated.
DHB Maccagnan, NM Martinelli
core   +3 more sources

Morphological and molecular data on the bat flies, Basilia silvae (Brèthes, 1913) and Trichobius parasiticus Gervais, 1844 parasitizing Chilean bats

Medical and Veterinary Entomology, Volume 39, Issue 3, Page 422-430, September 2025.
We determined morphological and molecularly two species of bat flies: T. parasiticus (Streblidae), and B. silvae (Nycteribiidae). We generated the first sequences for both species in the country for the cytochrome oxidase subunit I. We do recover monophyletic groups for both species, and we discussed the tree topology.
Dante Lobos‐Ovalle, Angel Herrera‐Mares, Ali Z. Lira‐Olguin, Juan Luis Allendes, Annia Rodríguez‐San Pedro, Lucila Moreno‐Salas, Juan E. Uribe, Maria Carolina Silva‐de la Fuente   +7 more
wiley   +1 more source