Results 81 to 90 of about 167,871 (219)

Taxonomic and functional diversity of urban bees of the world

open access: yesConservation Biology, EarlyView.
Abstract Bees play a pivotal role in terrestrial environments. Urbanization can affect these organisms and the ecosystem services they provide. However, knowledge of the global diversity of urban bees is limited. Thus, we summarized data on urban bee species identities and occurrences; compared distributions of all bees with those found in urban ...
João C. F. Cardoso   +10 more
wiley   +1 more source

Crecimiento de corderos y productividad en ovejas Pelibuey mantenidas bajo condiciones tropicales de producción

open access: yesRevista Mexicana de Ciencias Pecuarias, 2020
El objetivo fue evaluar los efectos de época y año de nacimiento, tipo de parto, sexo y número de parto sobre el crecimiento predestete y la productividad de las ovejas en ovinos de raza Pelibuey que producen bajo un sistema semi-extensivo en el trópico ...
Carolina Atenea García-Chávez   +6 more
doaj   +1 more source

Seleção genômica ampla. [PDF]

open access: yes, 2017
Introdução; Genética de associação; Seleção genômica ampla; Definição; Tipos de população; Validação cruzada; Fatores que afetam a seleção genômica ampla; Métodos estatísticos na seleção genômica ampla; RR-BLUP; Bayes A; Bayes B; LASSO Bayesiano ...
ALVES, A. A.   +4 more
core  

Assessing differences among elasmobranch nurseries to aid conservation based on a genomics framework

open access: yesConservation Biology, EarlyView.
Abstract Elasmobranch nurseries often differ in environmental conditions, demographics, and use patterns. These differences affect the distribution of genetic variation among nurseries. However, conservation and management strategies often fail to account for such differences because they are difficult to characterize.
Dominic G. Swift   +8 more
wiley   +1 more source

Marcadores del Gen Leptina en Bovinos Cruzados con Angus, Cebú, Romosinuano y Blanco Orejinegro

open access: yesRevista Científica, 2009
Los cruzamientos incrementan el rendimiento a través del aumento de los niveles de producción de las características de importancia económica como precocidad, fertilidad, calidad de la carne y rendimiento en canal, entre otras.
Mario Fernando Cerón-Muñoz   +4 more
doaj  

Avian DNA extraction: An economical and efficient alternative for Farmer-fixed samples

open access: yesCaryologia
Cytogenetics laboratories often accumulate vast collections of cells fixed in Farmer’s solution (3 parts methanol to 1-part glacial acetic acid), stored long-term in freezers.
Lilian de Oliveira Machado   +6 more
doaj   +1 more source

Regulatory role of microRNA in mesenteric lymph nodes after Salmonella Typhimurium infection

open access: yesVeterinary Research, 2018
Salmonellosis is a gastrointestinal disease caused by non-typhoidal Salmonella serovars such as Salmonella Typhimurium. This pathology is a zoonosis, and food animals with subclinical infection constitute a vast reservoir for disease.
Juber Herrera-Uribe   +7 more
doaj   +1 more source

Variabilidade genética em muçuã utilizando marcadores moleculares RAPD. [PDF]

open access: yes, 2015
O muçuã (Kinosternon scorpioides) é uma espécie de extrema importância econômica no Estado do Pará, sendo indispensáveis estudos que viabilizem sua conservação e sua caracterização genética, a fim de direcionar programas de melhoramento nessa espécie e o
AGUIAR, J. F.   +5 more
core  

Emerging pharmacotherapy of tinnitus [PDF]

open access: yes, 2009
Tinnitus, the perception of sound in the absence of an auditory stimulus, is perceived by about 1 in 10 adults, and for at least 1 in 100, tinnitus severely affects their quality of life.
Ana Belén Elgoyhen   +43 more
core   +1 more source

Scientists’ warning on the global destruction of rock outcrop ecosystems

open access: yesConservation Biology, EarlyView.
Abstract Rock outcrops are geological formations that harbor a highly specialized biota adapted to harsh environmental conditions that differ from their surrounding landscapes. They are globally distributed, especially in old, highly weathered landscapes, and can function as habitat islands containing high levels of endemism and distinct evolutionary ...
Luiza F. A. de Paula   +19 more
wiley   +1 more source

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