Results 61 to 70 of about 95,675 (276)

Morphological dimorphism in the Y chromosome of "pé-duro" cattle in the Brazilian State of Piauí

open access: yesGenetics and Molecular Biology, 1999
"Pé-duro" (hard foot) is a rare breed of beef cattle of European (Bos taurus taurus) origin, originated in northern and northeastern Brazil. Y chromosome morphology, outer genital elements and other phenotypic characteristics were examined in 75 "pé-duro"
Carmen M.C. Britto, Maria Luiza S. Mello
doaj   +1 more source

Relationship between Scrotal Circumference and Quality of Semen Production in Bulls: A Meta-Analysis Review

open access: yesJurnal Sain Peternakan Indonesia, 2022
This meta-analysis review was conducted to determine the relationship between scrotal circumference and semen production quality in bulls. The research method includes article search, selection, and assessment stages based on the specified inclusion ...
Ikwan Wahyudi   +3 more
doaj   +1 more source

Domestic cattle (Bos taurus taurus) are motivated to obtain forage and demonstrate contrafreeloading

open access: yesPLoS ONE, 2018
Domestic cattle (Bos taurus taurus) are adapted to digest high-roughage diets, but in confinement they are commonly fed low-roughage, high-energy diets. This practice may leave cattle with an unfulfilled need to consume forage.
J. V. Van Os   +3 more
semanticscholar   +1 more source

The impacts of biological invasions

open access: yesBiological Reviews, EarlyView.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock   +42 more
wiley   +1 more source

Sequenciamento e análise dos genes das subunidades alfa e beta do hormônio folículo estimulante de bovino (Bos taurus indicus) Sequencing and analysis of subunits alpha and beta of the follicle stimulating hormone from bovine (Bos taurus indicus)

open access: yesCiência Animal Brasileira, 2008
<span><p align="justify">Este trabalho relata uma clonagem e seqüenciamento das subunidades alfa e beta do hormônio folículo estimulante de <em>Bos taurus indicus.
Luci Sayori Murata   +3 more
doaj  

MICROSATELLITE DIVERSITY IN BOS TAURUS, EQUUS CABALLUS AND GALLUS DOMESTICUS BREEDS REARED IN UKRAINE

open access: yesSlovenian Veterinary Research
This study is dedicated to the comparative analysis of the main parameters of microsatellite variability in the populations of animals from different taxa (Bos taurus, Equus caballus, and Gallus domesticus) of different breeds, reared in Ukraine.
Andriy Shelyov   +3 more
doaj   +1 more source

The role of the gut microbiome in the regulation of high‐altitude adaptation

open access: yesiMeta, EarlyView.
This study is the first to elucidate mechanisms of high‐altitude adaptation from the perspective of the rumen ecosystem by using indigenous yaks and Holstein cows that have lived at high altitude since birth as comparative models. Through a systematic comparison of their rumen ecology using multi‐omics approaches—including rumen metagenomics ...
Xinyu Zhang   +6 more
wiley   +1 more source

The Brain of the Domestic Bos taurus: Weight, Encephalization and Cerebellar Quotients, and Comparison with Other Domestic and Wild Cetartiodactyla. [PDF]

open access: yesPLoS ONE, 2016
The domestic bovine Bos taurus is raised worldwide for meat and milk production, or even for field work. However the functional anatomy of its central nervous system has received limited attention and most of the reported data in textbooks and reviews ...
Cristina Ballarin   +6 more
doaj   +1 more source

Suitability of existing commercial single nucleotide polymorphism chips for genomic studies in Bos indicus cattle breeds and their Bos taurus crosses

open access: yesJournal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie, 2018
Bos indicus cattle breeds are genetically distinct from Bos taurus breeds. We examined the performance of three SNP arrays, the Illumina BovineHD BeadChip (777k; Illumina Inc.), the Illumina BovineSNP50 BeadChip (50k) and the GeneSeek 70k Indicus chip ...
N. Nayee   +6 more
semanticscholar   +1 more source

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