Results 11 to 20 of about 3,287 (111)

Genome-Wide Association Study for Haemonchus contortus Resistance in Morada Nova Sheep

Pathogens, 2022
Among the gastrointestinal nematodes affecting sheep, Haemonchus contortus is the most prevalent and virulent, resulting in health problems and production losses. Therefore, selecting sheep resistant to H. contortus is a suitable and sustainable strategy
Simone Cristina Méo Niciura, Magda Vieira Benavides, Cintia Hiromi Okino, Adriana Mercia Guaratini Ibelli, Alessandro Pelegrine Minho, Sergio Novita Esteves, Ana Carolina de Souza Chagas   +6 more
doaj   +1 more source

Response mechanisms of Brachiaria brizantha cultivars to water deficit stress

Revista Brasileira de Zootecnia, 2013
Two cultivars of Brachiaria brizantha (Hochst ex. A. Rich) Stapf. (Syn. Urochloa) were evaluated for their adaptation to water deficit and the stress response mechanisms in a greenhouse experiment.
Patricia Menezes Santos, Pedro Gomes da Cruz, Leandro Coelho de Araujo, José Ricardo Macedo Pezzopane, Cacilda Borges do Valle, Cristiana de Gaspari Pezzopane   +5 more
doaj   +1 more source

Comparison of three Larval Immersion Tests in Syringe to evaluate acaricidal activity of chemical solutions

Semina: Ciências Agrárias, 2016
The aim of this study was to compare Larval Immersion Test in syringes, originally proposed by Souza et al. (2008), with two modified bioassays proposed by Silva et al. (2011) and Sindhu et al. (2012).
Juliana Antunes Farias, Claudia Cristina Gulias Gomes, Alessandro Pelegrine Minho, Robert Domingues, Bernardo Macke Franck, Rossana Leitzke Granada, Antonio Pereira de Souza   +6 more
doaj   +1 more source

INSECT RICHNESS IN DUNG PATCHES OF CATTLE RAISED IN TWO LIVESTOCK SYSTEMS

Revista de Agricultura Neotropical, 2020
The negative impact of livestock breeding on the environment has been mitigated through the combination of pastures and trees, characterizing the silvopastoral systems (SPS), an alternative to conventional pasture systems (CPS).
Marcos Rafael Gusmão, Marcia Cristina de Sena Oliveira, Maria Luiza Franceschi Nicodemo, Jose Ricardo Macedo Pezzopane   +3 more
doaj   +1 more source

Genotype x environment interaction on post-weaning performance and carcass in beef cattle

Semina: Ciências Agrárias, 2017
We analyzed average daily gain from weaning to yearling (ADG), yearling weight (YW), rib eye area, and subcutaneous fat thickness of 91 Angus, Hereford, Caracu, and Nellore cattle, and their crosses.
Leandro Lunardini Cardoso, Patrcia Biegelmeyer, Fernando Flores Cardoso   +2 more
doaj   +1 more source

Mudanças climáticas e suas relações com o uso da terra no município de Alta Floresta - Amazônia Meridional Brasileira

Biodiversidade Brasileira, 2021
A brusca ocupação do norte de Mato Grosso levou à transformação de grandes áreas de transição Cerrado-Amazônia numa das mais importantes regiões de produção agrícola e pecuária do Brasil.
Katiane da Silva Santos, Beatriz Fátima Alves Oliveira, Eliane Ignotti   +2 more
doaj   +1 more source

Somatic cell count in the diagnosis of subclinical mastitis in sheep of different breeds

Semina: Ciências Agrárias, 2018
The aims of this study were to determine the occurrence of subclinical mastitis in sheep of different breeds and the values for somatic cell count (SCC) in milk for the diagnosis of the disease at lactation and weaning, a fundamental prerequisite for ...
Luiz Francisco Zafalon, Raul Costa Mascarenhas Santana, Sérgio Novita Esteves, Guilherme Aparecido Fim Júnior   +3 more
doaj   +1 more source

Distribuição de anticorpos para herpesvírus bovino 1 em rebanhos bovinos

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2002
A distribuição de anticorpos neutralizantes para o herpesvirus bovino 1 (HVB 1) foi estudada em quatro faixas etárias de bovinos, em 21 rebanhos de leite e de corte.
C.B. Melo, Z.I.P. Lobato, M.F. Camargos, G.N. Souza, N.R.S. Martins, R.C. Leite   +5 more
doaj   +1 more source

Introduced dung beetles suppress methane emissions from cattle dung and alter the temporal dynamics of greenhouse gas flux Los escarabajos peloteros introducidos suprimen las emisiones de metano del estiércol de ganado y alteran la dinámica temporal del flujo de gases de efecto invernadero Besouros coprófagos introduzidos suprimem as emissões de metano do esterco bovino e alteram a dinâmica temporal do fluxo de gases de efeito estufa

Ecological Entomology, EarlyView.
Dung beetles suppressed cumulative methane flux from cattle dung by 85% and reduced total greenhouse gas emissions by 18%. Beetle activity accelerated initial CO2 release but did not alter total cumulative flux. N2O and NH3 fluxes were transient and not consistently driven by beetle presence.
Jean Holley, Martin Brummell, Nigel R. Andrew   +2 more
wiley   +1 more source

Network analysis uncovers putative genes affecting resistance to tick infestation in Braford cattle skin

BMC Genomics, 2019
Background Genetic resistance in cattle is considered a suitable way to control tick burden and its consequent losses for livestock production. Exploring tick-resistant (R) and tick-susceptible (S) hosts, we investigated the genetic mechanisms underlying
Daniela D. Moré, Fernando F. Cardoso, Maurício A. Mudadu, Wilson Malagó-Jr, Claudia C. Gulias-Gomes, Bruna P. Sollero, Adriana M. G. Ibelli, Luiz L. Coutinho, Luciana C. A. Regitano   +8 more
doaj   +1 more source