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Breeding objectives and economic values for traits of low input family-based beef cattle production system in the State of Rio Grande do Sul

Article

Breeding objectives and economic values for traits of low input family-based beef cattle production system in the State of Rio Grande do Sul

Carlos Henrique Laske et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598

The objectives of this study were to define breeding objectives and derive economic weights for production traits in family-based beef cattle systems, assess the sensitivity of these weights to changes in market and husb...

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Breeding phenology and new host list of the Black-headed Duck (Heteronetta atricapilla) in Argentina

Article

Breeding phenology and new host list of the Black-headed Duck (Heteronetta atricapilla) in Argentina

Cabrera, María Belén et al · Wilson Ornithological Society · 2017 · ISSN 1559-4491

The Black-headed Duck (Heteronetta atricapilla) is a unique interspecific brood parasite among birds where the host species provides parental care for incubation only. Despite this unique system, there are few studies on...

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Breeding status affects territorial behaviour to simulated intruders in captive wolves

Article

Breeding status affects territorial behaviour to simulated intruders in captive wolves

Giada Studer et al · Frontiers Media S.A · 2026 · ISSN 2813-5091

Grey wolves (Canis lupus) rely on olfaction to communicate and acquire information about their environment. Olfactory signals delivered via urine, faeces, and glandular secretions, serve critical functions in reproductio...

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Breeding for climate adaptation: genetic variation and genomic selection for drought response in Scots pine

Article

Breeding for climate adaptation: genetic variation and genomic selection for drought response in Scots pine

Rajiv Chaudhary et al · BMC · 2026 · ISSN 1471-2164

Abstract Background Drought intensity and frequency are increasing under global warming in the boreal forests, and breeding for drought resistance will facilitate adaptation of new planting material to changing climate c...

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Guía de mantenimiento, gestión y cría en cautividad de la Gacela Dorcas Saharaui (Gazella Dorcas Neglecta). Husbandry guidelines for captive breeding and management of Saharawi Dorcas Gazelle (Gazella Dorcas Neglecta).Biblioteca de ciencias, 41

E-book

López Jiménez de Rueda, Lucía · Editorial CSIC Consejo Superior de Investigaciones Científicas · 2013 · ISBN 9788400097271

Subjects / keywords: Ciencia; Biotecnología

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Novel Tree Breeding

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Novel Tree Breeding

Lee, Steve; Woolliams, John · INIA - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria · 2013 · ISBN 9788474985580

Subjects / keywords: Ciencia; Ciencias de la Vida; Botánica

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Advances and Perspectives for Polyploidy Breeding in Orchids

Article

Advances and Perspectives for Polyploidy Breeding in Orchids

Bolaños Villegas, Pablo Alberto et al · Universidad de Costa Rica · 2022 · ISSN 2223-7747

The orchid market is a dynamic horticultural business in which novelty and beauty command high prices. The two main interests are the development of flowers, from the miniature to the large and showy, and their fragrance...

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Análise bioeconômica da introdução de período de monta em sistemas de produção de rebanhos de cria na região do Brasil Central Bioeconomic analysis of breeding season introduction in productive systems of beef herd in Brazil Central region

Article

Urbano Gomes Pinto de Abreu et al · Sociedade Brasileira de Zootecnia · 2003 · ISSN 1516-3598

Utilizando modelo de simulação bioeconômico de produção de bovinos de corte, foram analisados quatro efeitos decorrentes da implantação de período de monta (PM) no sistema de produção de bovinos de corte na fas...

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Application of molecular information in sustainable animal breeding

Article

Application of molecular information in sustainable animal breeding

Dirk-Jan de Koning · Sociedade Brasileira de Zootecnia · 2008 · ISSN 1516-3598

Livestock genomics is aimed at dissecting the genetic control of variation in economically important trait, such as disease resistance and product yield/quality. Unraveling the genetic control of such complex traits rema...

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Construction of an introgression line population for cultivated peanut (Arachis hypogaea) to facilitate breeding with wild relatives Arachis batizocoi and Arachis stenosperma

Article

Construction of an introgression line population for cultivated peanut (Arachis hypogaea) to facilitate breeding with wild relatives Arachis batizocoi and Arachis stenosperma

Emile C. Barnes et al · Frontiers Media S.A · 2026 · ISSN 1664-462X

Cultivated peanut is susceptible to several highly damaging pests, pathogens and abiotic stressors, largely due to its very narrow genetic base. However, a ploidy barrier exists between cultivated and highly resistant wi...

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Dynamics of circulating lipoproteins and lipids in Brown Skua (Stercorarius antarcticus lonnbergi) during the breeding cycle

Article

Dynamics of circulating lipoproteins and lipids in Brown Skua (Stercorarius antarcticus lonnbergi) during the breeding cycle

Ibañez, Andres Esteban et al · Springer Verlag Berlín · 2021 · ISSN 0722-4060

In central-place foragers the breeding cycle is often the period with the highest energy cost, where dietary and stored lipids play a key role. Lipids are mobilized through blood lipoproteins providing fuel to tissues. T...

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Effectiveness of a low-dose Norgestomet ear implant in short-term protocols to induce estrus in ewes during the non-breeding season in Brazil.

Article

Effectiveness of a low-dose Norgestomet ear implant in short-term protocols to induce estrus in ewes during the non-breeding season in Brazil.

Dayrton Farias Lima Júnior et al · Sociedade Brasileira de Zootecnia · ISSN 1806-9290

ABSTRACT The objective of this study was to evaluate the reproductive performance of ewes subjected to a short-term protocol for estrus induction using 1 mg of Norgestomet during the non-breeding season in Brazil. A tota...

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Estudo de simulação de modelos lineares mistos com distribuição normal contaminada no melhoramento genético animal Simulation study of linear mixed models with contaminated normal distribution in animal breeding

Article

Idalmo Garcia Pereira et al · Sociedade Brasileira de Zootecnia · 2007 · ISSN 1516-3598

Objetivou-se com esse trabalho comparar estimativas de componentes de variâncias obtidas por meio de modelos lineares mistos Gaussianos e Robustos, via Amostrador de Gibbs, em dados simulados. Foram simulados 50 arquivo...

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Future directions in breeding for disease resistance in aquaculture species

Article

Future directions in breeding for disease resistance in aquaculture species

Ross D. Houston · Sociedade Brasileira de Zootecnia · ISSN 1806-9290

ABSTRACT Infectious disease is a major constraint for all species produced via aquaculture. The majority of farmed fish and shellfish production is based on stocks with limited or no selective breeding. Since disease res...

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Gamma irradiation on Alstroemeria aurea G. in vitro rhizomes: an approach to the appropriate dosage for breeding purposes

Article

Gamma irradiation on Alstroemeria aurea G. in vitro rhizomes: an approach to the appropriate dosage for breeding purposes

Danilo Aros et al · Facultad de Ciencias Agrarias. Universidad Nacional de Cuyo · 2022 · ISSN 0370-4661

Gamma irradiation has been widely used as a breeding technique to obtain new cultivars in ornamental species such as Alstroemeria, where several cultivars have been obtained through rhizome radiation. The optimum dosage ...

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Genomic evaluation for breeding and genetic management in Cordia africana, a multipurpose tropical tree species

Article

Genomic evaluation for breeding and genetic management in Cordia africana, a multipurpose tropical tree species

Ousmael, Kedra M. et al · BioMed Central · 2024 · ISSN 1471-2164

Background: Planting tested forest reproductive material is crucial to ensure the increased resilience of intensively managed productive stands for timber and wood product markets under climate change scenarios. Single-s...

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Grupo genético, sistema de acasalamento e efeitos genéticos aditivos e não-aditivos nas características de musculosidade da carcaça de novilhos oriundos do cruzamento rotativo Charolês × Nelore Genetic group, breeding system and additive and non-additive genetic effects on characteristics that express muscularity of steer carcasses derived from Charolais × Nellore rotative crossbreeding

Article

Paulo Santana Pacheco et al · Sociedade Brasileira de Zootecnia · 2010 · ISSN 1516-3598

Foram avaliadas as carcaças de 800 novilhos oriundos do cruzamento rotativo entre as raças Charolesa e Nelore abatidos aos 2 anos de idade. As características avaliadas foram: conformação, espessura de coxão, perí...

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Objetivos de seleção e valores econômicos em sistemas de produção de gado de corte no Brasil Breeding goals and economic values for beef cattle production systems in Brazil

Article

Objetivos de seleção e valores econômicos em sistemas de produção de gado de corte no Brasil Breeding goals and economic values for beef cattle production systems in Brazil

João Jorge Júnior et al · Sociedade Brasileira de Zootecnia · 2007 · ISSN 1516-3598

A importância econômica de possíveis características biológicas a serem incluídas em objetivos de seleção para diferentes sistemas de produção de bovinos da raça Nelore, mediante o cálculo dos seus valores ec...

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Observational study on the breeding performance of emus (Dromaius novaehollandiae) in Brazil

Article

Observational study on the breeding performance of emus (Dromaius novaehollandiae) in Brazil

J.C.P. Quintero et al · Universidade Federal de Minas Gerais, Escola de Veterinária · 2020 · ISSN 1678-4162

ABSTRACT The objective of this study was to describe emus’ breeding performance in Brazil at different ages, grouped in couples or colonies. The duration of the breeding season and the production of eggs per female hou...

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Observations on the breeding behavior of the Variable Hawk (Geranoaetus polyosoma) in the Atacama Desert, Chile

Article

Observations on the breeding behavior of the Variable Hawk (Geranoaetus polyosoma) in the Atacama Desert, Chile

Medrano, Fernando et al · Sociedade Brasileira Ornitologia · 2018 · ISSN 0103-5657

Although the Variable Hawk (Geranoaetus polyosoma) is a common and broadly distributed raptor in the Neotropics, its breeding ecology is almost unknown. Using video cameras, we collected data on the parental and nestlin...

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Phenotypic assortative mating and within-pair sexual dimorphism and its influence on breeding success and offspring quality in Magellanic penguins

Article

Phenotypic assortative mating and within-pair sexual dimorphism and its influence on breeding success and offspring quality in Magellanic penguins

Forero, M. G. et al · National Research Council Canada-NRC Research Press · 2001 · ISSN 1414-1422

We examined within-pair sexual dimorphism and phenotypic assortative mating in Magellanic penguins (Spheniscus magellanicus) breeding in six colonies located on the Patagonian coast (Argentina). All measured phenotypic t...

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Population status and trends of Southern Giant Petrels (Macronectes giganteus) breeding in North Patagonia, Argentina

Article

Population status and trends of Southern Giant Petrels (Macronectes giganteus) breeding in North Patagonia, Argentina

Quintana, Flavio Roberto et al · Springer · 2006 · ISSN 0722-4060

The actual breeding population of the Southern Giant Petrel from the northern Patagonian colonies of Argentina on Isla Arce and Isla Gran Robredo was estimated to be 2,300 pairs. The available data sets are small, but sh...

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Pre and Post Breeding Morphometric Profile of European Rabbit (Oryctolagus Cuniculus)

Article

Pre and Post Breeding Morphometric Profile of European Rabbit (Oryctolagus Cuniculus)

Rao Zahid Sattar et al · Wright State University · 2024 · ISSN 2309-3854

After 1950s, a continuous decline in the population of Oryctolagus cuniculus has urged the IUCN to declare it an endangered species. There is a serious need to take conservational steps for Oryctolagus cuniculus breeds b...

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Selective breeding of Arabian and Thoroughbred racehorses in Algeria: perceptions, objectives and practices of owners-breeders

Article

Selective breeding of Arabian and Thoroughbred racehorses in Algeria: perceptions, objectives and practices of owners-breeders

Safia Tennah et al · Sociedade Brasileira de Zootecnia · 2014 · ISSN 1806-9290

This survey, conducted with 461 racehorse owners-breeders in Algeria between 2009 and 2011, investigates their perceptions, objectives and practices regarding selective breeding. Racehorse breeding is a full-time profess...

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