Results 31 to 40 of about 136,396 (250)

Época de nascimento, genótipo e sexo de terneiros cruzas taurinos e zebuínos sobre o peso ao nascer, à desmama e eficiência individual de primíparas Hereford [PDF]

open access: yesCiência Rural, 2003
O objetivo deste trabalho foi avaliar o efeito da época de nascimento, genótipo e sexo do terneiro sobre a eficiência individual das vacas à desmama (relação percentual entre o peso do terneiro à desmama e o peso da vaca), peso ao nascer e peso à desmama
Gilson de Mendonça   +3 more
doaj   +1 more source

Cattle phenotypes can disguise their maternal ancestry

open access: yesBMC 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   +3 more
doaj   +1 more source

Bovine gene polymorphisms related to fat deposition and meat tenderness

open access: yesGenetics and Molecular Biology, 2009
Leptin, thyroglobulin and diacylglycerol O-acyltransferase play important roles in fat metabolism. Fat deposition has an influence on meat quality and consumers' choice.
Marina R.S. Fortes   +6 more
doaj   +1 more source

EFFECT OF SPECIES AND SEASON ON LAMINITIS PREVALENCE IN SEMEN-DONOR BULLS

open access: yesJurnal Kedokteran Hewan, 2022
The objective of this study is to determine the effect of species, season, and their interaction on laminitis prevalence in three semen-donor bull species in the Artificial Insemination Centre under tropical conditions.
Koko Wisnu Prihatin   +2 more
doaj   +1 more source

Phylogenetic tree analysis for Bali Cattle based on partial sequence 16S rRNA Mitochondrial DNA [PDF]

open access: yesE3S Web of Conferences, 2022
Mitochondria DNA (mtDNA) as a source of genetic information based on the maternal genome, can provide important information for phylogenetic analysis and evolutionary biology.
Misrianti R.   +3 more
doaj   +1 more source

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

open access: yesFrontiers 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   +13 more
doaj   +1 more source

BOS TAURUS V - NÍVEIS DE FOSFATASES SÉRICAS

open access: yes, 2022
Verificou-se os níveis de fosfatases séricas (ácidas e alcalinas) em Bos taurus Abstract Alkaline and acid phosphatase levels were determined in serum of Bos ...
Burgert, Éldio João   +5 more
core   +1 more source

Cytogenetic and molecular analysis of the Pantaneiro cattle breed Análise citogenética e molecular do bovino Pantaneiro

open access: yesPesquisa Agropecuária Brasileira, 2006
The objective of this work was to characterize Pantaneiro cattle genetically through its paternal ancestry by the morphology of the Y chromosome, whether submetacentric or acrocentric, as well as to identify the maternal ancestry through mitochondrial ...
Érica Cunha Issa   +2 more
doaj   +1 more source

Morphology of the vascular bodies of the encephalon’s ventricles of cow (bos taurus taurus)

open access: yesMacedonian Veterinary Review, 2020
The aim of the research was to establish the morphology of the vascular bodies of the encephalon ventricles of cow (Bos taurus taurus). Methods used: thin anatomical preparation, histological method of examination, transmission electron microscopy. Given
Aleksey Prusakov   +7 more
doaj   +1 more source

Detection and quantification of Duffy antigen on bovine red blood cell membranes using a polyclonal antibody

open access: yesPesquisa Veterinária Brasileira, 2012
Babesiosis is one of the most important diseases affecting livestock agriculture worldwide. Animals from the subspecies Bos taurus indicus are more resistant to babesiosis than those from Bos taurus taurus.
Ana Teresa B.F. Antonangelo   +5 more
doaj   +1 more source

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