Mostrando 1 - 20 Resultados de 4,233 Para Buscar '"The Breeders"', tiempo de consulta: 0.31s Limitar resultados
  1. 1
    por Robinson, Roy
    Publicado 1977
    Libro
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    por Houchmandzadeh, Bahram
    Publicado 2013
    “…The breeder’s equation is a cornerstone of quantitative genetics, widely used in evolutionary modeling. …”
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    “…In evolutionary individual‐based simulations, we show that natural selection favors a delayed onset of senescence in cooperative breeders, relative to solitary breeders, because cooperative breeders have a delayed age of first reproduction as helpers wait in a reproductive queue to obtain breeder status. …”
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    “…The present research was conducted to assess Mn requirements of broiler breeder hens. One hundred and twenty Cobb 500 hens, 22 wk of age, were individually allocated in cages. …”
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    “…In this work we present our progress in the design study of a new Electron Beam Ion Source (EBIS) to be installed as a charge breeder for reacceleration of rare ions at ISOLDE. …”
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    “…If this involves asymmetries between interacting partners, for instance in condition, power, or expected payoffs, coercion may be involved in the bargain. Cooperative breeders are excellent models to study such interactions, because asymmetries are inherent in the relationship between dominant breeders and subordinate helpers. …”
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    “…SIMPLE SUMMARY: Repeat breeder cow (RBC) syndrome encompasses cows failing three or more times to become pregnant, but with the special characteristic that their estrous cycles have a normal duration. …”
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    “…Potentially successful enrichments for broiler breeders are elevated resting places, cover panels, and substrate (for broiler breeders housed in cage systems). …”
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    “…A robust model that estimates the ME intake over broiler breeder lifetime is essential for formulating diets with optimum nutrient levels. …”
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