Results 11 to 20 of about 53,391 (295)

Utilization of Biotechnology, Neurotransmitter and Cytogenetic Indices in Selecting Pigeon Breeds

open access: greenBrazilian Journal of Poultry Science, 2022
Investigations into LDH-A and DR-D4 genes polymorphism, neurotransmitter values and cytogenetic indices of 3 sexed pigeon breeds; non-racing pigeons, (wild rock), racing long distances pigeons (Jan Aarden) and racing short distances pigeons (Janssen ...
MA El-Sayed   +7 more
doaj   +2 more sources

Online trade as a serious additional threat to the Critically Endangered silvery pigeon Columba argentina in Indonesia [PDF]

open access: yesNature 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

open access: yesPLoS 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

open access: yesEcosphere, 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

Effects of Yucca schidigera extract on serum biochemical parameters, humoral immune response, and intestinal health in young pigeons

open access: yesFrontiers 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

Scheduling of irrigation with mulch under different sugarcane planting methods [PDF]

open access: yesE3S 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

REFLEXIVITY IN PIGEONS [PDF]

open access: yesJournal of the Experimental Analysis of Behavior, 2010
A recent theory of pigeons' equivalence‐class formation (Urcuioli, 2008) predicts that reflexivity, an untrained ability to match a stimulus to itself, should be observed after training on two “mirror‐image” symbolic successive matching tasks plus identity successive matching using some of the symbolic matching stimuli. One group of pigeons was trained
Sweeney, Mary M, Urcuioli, Peter J
openaire   +4 more sources

Cartes de paysage – Horizons à partager

open access: yesProjets de Paysage, 2021
The landscape, understood as a relational interface between living beings and space, is a potential activator of our sensory and political powers, focusing our attention on meaningful ways of inhabiting the Earth.
Virginie Pigeon
doaj   +1 more source

The pigeon’s concept of pigeon [PDF]

open access: yesPsychonomic 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

Home - About - Disclaimer - Privacy