Mostrando 121 - 140 Resultados de 8,508 Para Buscar '"Barnes"', tiempo de consulta: 0.53s Limitar resultados
  1. 121
    “…In addition, we considerably expanded previous analyses on the relationship between methylation at clock genes and breeding date, a key fitness trait in barn swallows. We found positive assortative mating for methylation at one clock locus. …”
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  2. 122
    “…In this study, we quantified sexual selection for two putative sexual signals across two Central and East European barn swallow (Hirundo rustica rustica) populations from Czech Republic and Romania over multiple years. …”
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  3. 123
    “…This post-maturity molting (PMM) behavior has been observed in the barn spider Araneus cavaticus (Araneae: Araneidae) among the orb-web spiders. …”
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  4. 124
  5. 125
  6. 126
    “…The second barn was used as a control. In total, three fattening periods were observed, with 500 broiler chickens kept in each barn. …”
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  7. 127
  8. 128
    “…Over a 13-month period, fecal and nasopharynx samples were collected at 3-month intervals from sows raised in RWA barns and sows in conventional barns using antibiotics in accordance with the new regulations (non-RWA). …”
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  9. 129
    por Lifjeld, Jan T.
    Publicado 2022
    “…Safran et al. (2016a) manipulated two sexual traits (ventral plumage coloration and tail streamer length) in male barn swallows (Hirundo rustica) and reported divergent effects on paternity change between two study populations, in Colorado and Israel. …”
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  10. 130
    “…SIMPLE SUMMARY: Morphology and function depend on the ecological niche in which an animal lives. Barn owls, occurring on all continents, occupy a nocturnal niche. …”
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  11. 131
    por Gaworski, Marek, Boćkowski, Michał
    Publicado 2022
    “…SIMPLE SUMMARY: As a result of many years of use, dairy cattle barns are subject to gradual wear and degradation. …”
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  12. 132
    “…In the Canary Islands, an archipelago rich in endemics, the barn owl (Tyto alba), present in all the islands, is thought to have diverged into a subspecies (T. a. gracilirostris) on the eastern ones, Fuerteventura and Lanzarote. …”
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  13. 133
    “…Based on the current findings, we infer that spraying anti-microbial agents on pig dung would be one of the better approaches to suppress the odor emission from the barn in the future.…”
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  14. 134
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  16. 136
    “…The collected samples were categorized into three groups: Brahminy kite (Haliastur indus) (n = 10), adult Barn owl (Tyto javanica) (n = 4), and juvenile Barn owl (n = 8). …”
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  17. 137
    “…Therefore, we have initiated a systematic analysis of wing morphology in both a specialist, the barn owl, and a generalist, the pigeon. This report presents a comparison between the feathers of the barn owl and the pigeon and emphasise the specific characteristics of the owl's feathers on macroscopic and microscopic level. …”
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  18. 138
    “…This is exemplified here in a correlative study of male fertilization success in a large colony of American barn swallows (Hirundo rustica erythrogaster). Previous studies of this species have indicated that two sexually dimorphic traits, tail length and ventral plumage coloration, are positively correlated with male fertilization success, and a mechanism of sexual selection by female choice has been invoked. …”
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  19. 139
    “…Here, we investigate melanin-based coloration in an Italian population of a passerine bird, the barn swallow (Hirundo rustica rustica), its sex- and age-related variation, and heritability. …”
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  20. 140
    “…We used archival light-level geolocators to track the phenology, movements and winter locations of barn swallows (Hirdundo rustica; n = 27) from populations across North America to determine their migratory connectivity. …”
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