Results 21 to 30 of about 19,940 (265)

Cattle phenotypes can disguise their maternal ancestry

BMC Genetics, 2017
Background Cattle are bred for, amongst other factors, specific traits, including parasite resistance and adaptation to climate. However, the influence and inheritance of mitochondrial DNA (mtDNA) are not usually considered in breeding programmes.
Kanokwan Srirattana, Kieren McCosker, Tim Schatz, Justin C. St. John   +3 more
doaj   +1 more source

Mitochondrial DNA of Nellore and European x Nellore crossing cattle of high performance DNA mitocondrial de bovinos Nelore e cruzados Europeu x Nelore de alto desempenho

Pesquisa Agropecuária Brasileira, 2007
The objective of this work was to evaluate, through a polymorphism in the ND5 gene of the bovine mitochondrial DNA, the frequency of Bos taurus indicus mtDNA individuals in a sample of Nellore purebred origin animals (n = 69) and crossbred animals ...
Rogério Abdallah Curi, Lígia Souza Lima Silveira da Mota, Antônio Carlos Silveira   +2 more
doaj   +1 more source

Abordagem multivariada envolvendo características físicas e morfológicas do sêmen bovino, idade dos touros e época de colheita de sêmen A multivariate approach for physical and morphological characteristics of cattle semen, age of bull and semen collection period

Revista Brasileira de Zootecnia, 2009
Avaliaram-se as relações entre características físicas e morfológicas do sêmen de bovinos das subespécies Bos taurus taurus e Bos taurus indicus com a idade dos touros e a época de colheita do sêmen.
Antônio Rodrigues da Silva, Antonio Sergio Ferraudo, Dilermando Perecin, Vera Fernanda Martins Hossepian de Lima   +3 more
doaj   +1 more source

Characterization of a novel antimicrobial peptide gene from the reproductive tract of indigenous cows (Bos indicus) of Asom

Indian Journal of Animal Sciences, 2016
Antimicrobial peptides are innate immune defense peptides protecting against infection. Defensins and cathelicidins are the two major antimicrobial peptides in eukaryotes.
REZINA SULTANA, D J KALITA, S SARMA, A BARUAH, B DEVI   +4 more
doaj   +1 more source

Imunoidentification of Albumin and Osteopontin in Seminal Plasma of Taurine and Zebuine Bulls/
Imunoidentificação de Albumina e Osteopontina no Plasma Seminal de Reprodutores Taurinos e Zebuínos

Semina: Ciências Agrárias, 2002
Two dimensional polyacrylamide gel electrophoresis was performed in seminal plasma of seven Bos taurus taurus and seven Bos taurus indicus bulls with high semen freezability, from an artificialinsemination center. In a 8% polyacrylamide gels, three bands
Rodrigo Costa Mattos, Vera Beatriz Wald, Christianne Gazzana Salbego, Diogo Onofre Souza, Helena Iturvides Cimarosti, Maria Inês M. Jobim, Eneder Rosana Oberst   +6 more
doaj   +1 more source

Trace element nutrition in the tropical zebu cattle type : lessons from the Gilgel Gibe catchment, Ethiopia [PDF]

, 2014
In the tropics, cattle are majorly dependent on natural pastures growing on poor soils and as a result prone to trace element deficiencies. This work investigated several aspects of trace element nutrition in zebu (Bos indicus) cattle, the most widely ...
Dermauw, Veronique
core   +3 more sources

In the search of the polled locus in a Bos taurus x Bos indicus population. [PDF]

, 2020
The objective in this study was to identify regions and SNPs associated with the polled/horned phenotype in a composite Bos taurus x Bos indicus breed (Canchim).ISAFG 2013.
HIGA, R. H., MARCONDES, C. R., MOKRY, F. B., REGITANO, L. C. de A.   +3 more
core  

Population Structure, and Selection Signatures Underlying High-Altitude Adaptation Inferred From Genome-Wide Copy Number Variations in Chinese Indigenous Cattle

Frontiers in Genetics, 2020
Copy number variations (CNVs) have been demonstrated as crucial substrates for evolution, adaptation and breed formation. Chinese indigenous cattle breeds exhibit a broad geographical distribution and diverse environmental adaptability. Here, we analyzed
Yaran Zhang, Yan Hu, Xiuge Wang, Qiang Jiang, Han Zhao, Jinpeng Wang, Zhihua Ju, Liguo Yang, Yaping Gao, Xiaochao Wei, Jiachen Bai, Yang Zhou, Jinming Huang, Jinming Huang   +13 more
doaj   +1 more source

Ethological behavior of Bos taurus, Bos indicus, and Caqueteño Creole cattle in three tree cover systems of Brachiaria decumbens paddocks at the Amazon foothills in Colombia

Revista de Ciências Agroveterinárias, 2022
The study was conducted at the Amazon Research Center CIMAZ - MACAGUAL of the University of Amazonia, Colombia, with a tropical rain forest climate (Af).
Sandra Milena Londoño-Paéz, Jose Alfredo Orjuela-Chaves, Faver Álvarez-Carrillo, Juan Carlos Suarez-Salazar, Lucena Vasquez-Gamboa, Jhoyner Felipe Ortiz-Meneses, Gustavo Adolfo Celis Parra   +6 more
doaj   +1 more source

Meta-Analysis of Mitochondrial DNA Reveals Several Population Bottlenecks during Worldwide Migrations of Cattle [PDF]

, 2014
Several studies have investigated the differentiation of mitochondrial DNA in Eurasian, African and American cattle as well as archaeological bovine material.
Albano Beja-Pereira, Anna De Gaetano, Borges Lopes, Catarina Ginja, Ceiridwen Edwards, Chen, Daniel Bradley, David Magee, Georgi Radoslavov, Horsburgh, Johannes Lenstra, Juan Lirón, Juha Kantanen, Kron, Licia Colli, Luca Ferretti, MacHugh, Magee, Mannen, Marleen Felius, Paolo Ajmone-Marsan, Peter Hristov, Riccardo Negrini, Ruth Bollongino, Shi, Takeda   +25 more
core   +3 more sources