Results 31 to 40 of about 107,373 (208)

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

open access: yesPesquisa 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   +2 more
doaj   +1 more source

GANANCIA DIARIA Y PESO AL DESTETE EN TERNEROS DE CRUCES Bos taurus CON Bos indicus EN TRÓPICO HÚMEDO

open access: yesRevista Mvz Cordoba, 2005
El objetivo del trabajo fue evaluar la ganancia diaria de peso desde el nacimiento hasta el destete a los cuatro meses de edad de terneros de la cruza Bos taurus con Bos indicus, manejados en pastoreo convencional, para lo cual se utilizaron los ...
Alejandro Córdova   +4 more
doaj   +1 more source

Genetic analysis of Thai cattle reveals a Southeast Asian indicine ancestry [PDF]

open access: yesPeerJ, 2015
Cattle commonly raised in Thailand have characteristics of Bos indicus (zebu). We do not know when or how cattle domestication in Thailand occurred, and so questions remain regarding their origins and relationships to other breeds.
Pongsakorn Wangkumhang   +8 more
doaj   +2 more sources

Comparison of Bos Taurus-Bos Indicus Breed Crosses with Straightbred Bos Indicus Breeds of Cattle for Maternal and Individual Traits

open access: yesJournal of Animal Science, 1985
Data were analyzed to compare crossbred females produced by crossing exotic Angus and Red Poll males to indigenous Ankole, Boran and Small East African Zebu (Zebu) females with straightbred females of the Ankole, Boran and Zebu breeds at the Ruhengere Field Station in the Ankole District of Southwestern Uganda. Progeny of the straightbred and crossbred
Trail, J.C.M.   +3 more
openaire   +2 more sources

Diversity of Mitochondrial DNA Haplogroups and Their Association with Bovine Antral Follicle Count

open access: yesAnimals, 2022
Maternal origins based on the bovine mitochondrial D-loop region are proven to have two main origins: Bos taurus and Bos indicus. To examine the association between the maternal origins of bovine and reproductive traits, the complete mitochondrial D-loop
Hongfei Liu   +14 more
doaj   +1 more source

Cardiovascular Plasticity and Adaptation of High‐Altitude Birds and Mammals

open access: yesIntegrative Zoology, EarlyView.
This schematic depicts the cardiovascular adaptations of mammals and birds to high‐altitude hypoxia. It highlights key phenotypic changes in oxygen transport and cardiac responses, driven by molecular mechanisms including transcriptional regulation and genetic modifications.
Huishang She, Yanhua Qu
wiley   +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

open access: yesSemina: 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   +6 more
doaj   +1 more source

Genetic and Phenotypic Correlations Among Growth, Disease Occurrence, and Reproductive Performance From Calf to Heifer in Girolando Dairy Cattle

open access: yesJournal of Animal Breeding and Genetics, EarlyView.
ABSTRACT The Girolando breed, a cross between Holstein (Bos taurus) and Gir (Bos indicus), is the primary choice for dairy production in Brazilian tropical regions, as it combines high productive potential with adaptation to the tropical environment.
Laura B. da C. Pereira   +6 more
wiley   +1 more source

Physiological bases for understanding estrous cycle differences between bos taurus and bos indicus

open access: yes, 2010
Background: Although there is some information in the literature discussing differences of the estrous cycle of Bos taurus and Bos indicus cattle, most of the data derive from studies performed in temperate climate countries, under environmental and ...
Mattos, Maria Clara Costa   +2 more
core   +3 more sources

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

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

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