Results 81 to 90 of about 32,248 (275)

Genome sequencing of the extinct Eurasian wild aurochs, Bos primigenius, illuminates the phylogeography and evolution of cattle [PDF]

open access: yes, 2015
Background Domestication of the now-extinct wild aurochs, Bos primigenius, gave rise to the two major domestic extant cattle taxa, B. taurus and B. indicus.
A Achilli   +105 more
core   +1 more source

Observations of tear‐drinking by lepidopterans on moose (Alces americanus americanus) in northeastern North America

open access: yesEcosphere, Volume 16, Issue 11, November 2025.
Abstract Lepidoptera have long been known to feed on the tears of vertebrates as a presumed source of minerals or nutrients. While this unusual behavior has been observed in a variety of species, only a single previous record has been documented outside of the tropics. Here, we present the first documentation of moths visiting the eyes of a bull moose (
Laurence A. Clarfeld   +2 more
wiley   +1 more source

Avaliação de um esquema de seleção para bovinos zebus de dupla aptidão

open access: yesRevista Brasileira de Zootecnia, 2000
Um enfoque determinístico foi utilizado para a predição do ganho genético e do valor presente líquido de um programa de seleção para uma população de bovinos zebus de dupla aptidão, envolvendo, como critério, pesos corporais, produção de leite e ...
Raimundo Nonato Braga Lôbo   +2 more
doaj  

Risk Management in Smallholder Cattle Farming: A Hypothetical Insurance Approach in Western Kenya [PDF]

open access: yes
Smallholder cattle farming is an important livelihood strategy in most developing countries like Kenya. However, tropical diseases in Africa often wipe out these valuable assets.
Drucker, Adam G.   +4 more
core   +1 more source

Best-First Surface Realization [PDF]

open access: yes, 1996
Current work in surface realization concentrates on the use of general, abstract algorithms that interpret large, reversible grammars. Only little attention has been paid so far to the many small and simple applications that require coverage of a small ...
Busemann, Stephan
core   +6 more sources

Milk yield of Simmental × Zebu and Brown Swiss × Zebu cows in tropical climate.

open access: yes, 2015
El objetivo del presente trabajo fue determinar la producción de leche en vacas Simmental-Cebú y Suizo Pardo-Cebú con diferentes proporciones de genes Bos taurus. El estudio se realizó de 1985 a 2007 en el sitio experimental Playa Vicente (Veracruz, México), del Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias.
Ríos-Utrera, Ángel   +3 more
openaire   +2 more sources

Talking as friends: Weaving local and scientific knowledge to co‐produce an integrated index to assess rangeland multifunctionality in a dryland Biosphere Reserve in Mexico

open access: yesPeople and Nature, Volume 7, Issue 11, Page 3036-3056, November 2025.
Abstract The complexity of sustainability challenges and the need for transformative change have prompted the exploration of novel approaches for knowledge co‐generation and decision‐making. This calls for integrative assessment methods that meaningfully include and represent diverse knowledge systems, capturing multiple values, needs and interests as ...
Ricardo Ismael Mata‐Páez   +6 more
wiley   +1 more source

Forage cactus associated with different fiber sources for lactating Sindhi cows: intake, digestibility and microbial protein production

open access: yesRevista Brasileira de Zootecnia, 2014
This experiment was carried to evaluate the effect of forage cactus with different fiber sources (elephant grass hay [EGH], corn straw [CS], hay of cassava shoots [HCS], fresh sugarcane bagasse [FSB], and hydrolyzed sugarcane bagasse [HSB]) on intake ...
Carla Aparecida Soares Saraiva   +7 more
doaj   +1 more source

Overview of Genus Prosopis Toxicity Reports and its Beneficial Biomedical Properties [PDF]

open access: yes, 2016
Secondary plant metabolites are regarded as promising sources of plant-protecting substances and they are one of the most important lines of plant defense against pests. The range of cellular targets for these substances is very wide and covers metabolic
Gamarra Luques, Carlos Diego   +3 more
core   +1 more source

Libido de touros Nelore: efeito da proporção touro: vaca sobre a taxa de gestação

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2003
Estudou-se a influência da libido de touros sobre as taxas de gestação de vacas aos 30, 60 e 90 dias de estação de monta, e avaliaram-se as correlações entre concentração de testosterona, qualidade seminal e libido.
M.D. Santos   +4 more
doaj   +1 more source

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