Results 101 to 110 of about 167,029 (218)

Non-linear recursive models for growth traits in the Pirenaica beef cattle breed

open access: yesAnimal, 2014
One of the main goals of selection schemes in beef cattle populations is to increase carcass weight at slaughter. Live weights at different growth stages are frequently used as selection criteria under the hypothesis that they usually have a high and ...
A. González-Rodríguez   +4 more
doaj   +1 more source

Application of bayesian inference in animal breeding using the Intergen program: manual of version 1.2. [PDF]

open access: yes, 2011
Introduction; What?s New in Version 1.2; Parameter file; How to run the program; How to continue an ongoing chain; Output ...
CARDOSO, F. F.
core   +1 more source

Morphological and molecular evidence reveals a new species of Characidium from the Ucayali‐Urubamba Piedmont, Peru, and novel molecular clades are proposed within the genus

open access: yesJournal of Fish Biology, EarlyView.
Abstract A new species of Characidium is described from the Urubamba River basin, within the Ucayali‐Urubamba Piedmont ecoregion, Peru. The new species can be readily distinguished from all congeners, except Characidium cacah, Characidium chicoi, Characidium helmeri, Characidium mirim, Characidium nana, Characidium nupelia, Characidium sterbai ...
Leonardo Oliveira‐Silva   +6 more
wiley   +1 more source

Utilización de información molecular en programas de mejoramiento animal

open access: yesCiencia y Tecnología Agropecuaria, 2006
La genómica es la subdisciplina de la genética que tiene por objeto la caracterización molecular de genomas completos; así, desde hace algunos años se han llevado a cabo múltiples trabajos en casi todas las especies de animales domésticos con el fin de ...
Javier Cañón
doaj   +1 more source

Integrative taxonomy reveals four new species of the armoured catfish genus Pareiorhina (Siluriformes: Loricariidae) from the upper Paraná River basin, Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract Four new species of the small‐sized armoured catfish genus Pareiorhina are described from mountain ranges in the Grande River drainage, upper Paraná River basin, based on morphological and molecular species delimitation methods. Molecular analyses based on the cytochrome oxidase subunit I (COI) marker recovered Pareiorhina as polyphyletic ...
Pedro L. C. Uzeda   +6 more
wiley   +1 more source

A new endemic pearl cichlid of the ‘Geophagus’ brasiliensis (Cichliformes: Cichlidae) species group from the Piranga River, upper Doce River basin, southeastern Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract A new species of pearl cichlid of the ‘Geophagus’ brasiliensis species group, endemic to the Piranga River, a major tributary of the upper Doce River basin in the state of Minas Gerais, southeastern Brazil, is herein described. The new species is delimited using an integrative approach, with molecular‐based species delimitation methods coupled
Cidimar E. de Assis   +7 more
wiley   +1 more source

Darwin y la mejora genética animal: evolución aplicada a la producción animal

open access: yesMètode Science Studies Journal: Annual Review, 2014
Darwin reflexionó sobre la potencialidad de la selección natural comparándola con los efectos que han conseguido los seres humanos con la selección artificial.
Miguel Ángel Toro Ibáñez
doaj   +1 more source

Dipteran chromosomes: a simple method for obtaining high quality chromosomal preparations [PDF]

open access: yes, 2014
For cytogenetic studies it is necessary to develop an efficient method of chromosome preparation with wellpreserved and dispersed chromosomes and little or no cell-wall debris.
Bressa, Maria Jose   +4 more
core  

La raza bovina autóctona española Pajuna: Situación actual y programa de recuperación [PDF]

open access: yes, 2006
La raza bovina Pajuna es una raza autóctona andaluza que está al borde de la extinción. Su aptitud es mixta carne-trabajo y es posiblemente la raza española más rústica, al ser capaz de adaptarse a los medios marginados, aprovechando los escasos recursos
Azor Ortiz, Pedro Javier   +4 more
core   +1 more source

Epidemiology of Salmonid Rickettsial Septicemia (SRS) in Farmed Salmon: The Role of Sea Lice Infestations in Mortality Risk

open access: yesJournal of Fish Diseases, EarlyView.
ABSTRACT Piscirickettsia salmonis , the causal agent of salmonid rickettsial septicemia (SRS), is the main pathogen affecting farmed salmonids in Chile. Outbreaks of SRS lead to substantial economic losses for producers. Many determinants related to SRS outcomes are still poorly understood.
Benjamín Diethelm‐Varela   +7 more
wiley   +1 more source

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