Results 1 to 10 of about 28,320 (249)
Online trade as a serious additional threat to the Critically Endangered silvery pigeon Columba argentina in Indonesia [PDF]
Nature Conservation, 2022 The elusive and Critically Endangered silvery pigeon Columba argentina is only found on small offshore islands in western Indonesia and Malaysia. Historically, trade records have suggested that, in addition to habitat degradation and invasive predators ...
Simon Bruslund +3 more
doaj +3 more sources
A retrospective molecular investigation of selected pigeon viruses between 2018–2021 in Turkey
PLoS ONE, 2022 A recent first detection of pigeon aviadenovirus-1 and pigeon circovirus co-infection associated with Young Pigeon Disease Syndrome (YPDS) in a pigeon flock in Turkey, prompted a study focused on documenting the distribution of Pigeon aviadenovirus ...
Ismail Sahindokuyucu +2 more
doaj +3 more sources
The influence of inherent soil factors and agricultural management on soil organic matter
Ecosphere, 2023 The accumulation of soil organic matter (SOM) is vital to the agronomic and environmental functioning of agroecosystems, yet the relative influence of inherent soil properties and agricultural management practices on SOM dynamics are not often addressed ...
Gregory S. Richardson +8 more
doaj +1 more source
The pigeon’s concept of pigeon [PDF]
Psychonomic Science, 1971 Pigeons were trained to discriminate between the presence and absence of a pigeon in photographic displays projected on a response key. Irrelevant cues were reduced as much as possible, while the differences between the objects were of sufficient variety and complexity to ensure that mastery of the discrimination would require the use of a concept. The
Jean Poole, D. G. Lander
openaire +1 more source
The symbolism of the pigeon in Coptic art and its reflection in heritage [PDF]
المجلة العلمیة لکلیة السیاحة والفنادق جامعة الأسکندریة, 2023 In Recent years, the heritage has witnessed broad interest, that led us to illuminate the symbolism of the pigeon in Coptic art and its reflection in heritage”.
Youstina Sobhy Naguib Saeed +3 more
doaj +1 more source
Frontiers in Veterinary Science, 2023 IntroductionIt is of great importance to find antibiotic alternatives that can improve poultry performance and enhance immunity. Plant-derived extracts and their concentrates are natural bioactive compounds that are widely and effectively applied as the ...
Xiaoshan Sun +8 more
doaj +1 more source
Journal of the Experimental Analysis of Behavior, 1982 Two pigeons were taught to use symbols to communicate information about hidden colors to each other. When reporting red was more generously reinforced than reporting yellow or green, both birds passed through a period in which they “lied” by reporting another color as red.
R P, Lanza, J, Starr, B F, Skinner
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Scheduling of irrigation with mulch under different sugarcane planting methods [PDF]
E3S Web of Conferences, 2019 A filed experiment was conducted at ZARS, V. C. Farm, Mandya to enhance the crop and water productivity in sugarcane during 2017-18 and 2018-19. The design used was strip plot design with planting methods as a horizontal factor and irrigation scheduling ...
Puttavenkategowda Thimmegowda +1 more
doaj +1 more source
Functional similarities between pigeon 'milk' and mammalian milk: induction of immune gene expression and modification of the microbiota. [PDF]
PLoS ONE, 2012 Pigeon 'milk' and mammalian milk have functional similarities in terms of nutritional benefit and delivery of immunoglobulins to the young. Mammalian milk has been clearly shown to aid in the development of the immune system and microbiota of the young ...
Meagan J Gillespie +6 more
doaj +1 more source
Psychonomic Bulletin & Review, 2003 Pigeons classified a display of illuminated pixels on a touchscreen as sparse or dense. Correct responses were reinforced with six food pellets; incorrect responses were unreinforced. On some trials an uncertain response option was available. Pecking it was always reinforced with an intermediate number of pellets.
Leslie M, Sole +2 more
openaire +2 more sources