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Now available on Fast Track: Cryoprotective effect of glycerol concentrations on Indian Red Jungle Fowl (Gallus gallus murghi) spermatozoa

Posted on 13. April, 2018.

Semen cryopreservation protocols for wild avian species need to be optimised in order to achieve optimum post-thaw sperm quality and fertility. The present study was designed to evaluate the cryoprotective effect of different glycerol concentrations (11%, 15% and 20%) on post-thaw quality, recovery rates, absolute livability index and fertility of Indian Red Jungle Fowl (Gallus gallus murghi) semen. 


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Now available on Fast Track: Examining unihemispheric sleep and its potential relation to lateral resting behaviour and unipedal resting stance in Caribbean Flamingos

Posted on 11. April, 2018.

While much recent research has examined flamingo unipedal resting, as well as laterality in the resting behaviours of these birds, the phenomenon of unihemispheric sleep is not well documented in flamingos, and the potential relationship between unihemispheric sleep and these other aspects of flamingo resting behaviour has not been thoroughly explored. 


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Now available on Fast Track: Effects of supplemental food on the behaviour and paternity status of male Indigo Buntings (Passerina cyanea)

Posted on 6. April, 2018.

Breeding is energetically costly and, if energy-limited, birds may alter their time budgets, spending less time engaged in some activities and more time in others. Investigators who have provided breeding birds with supplemental food have noted changes in time budgets, but the extent and types of changes have been found to vary among species. 


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Comparative analysis of behavioural response of captive-reared and wild-trapped Northern Bobwhites to simulated predator attacks

Posted on 16. March, 2018.

Isolated populations of Northern Bobwhites (Colinus virginianus) have declined causing many landowners to attempt population restoration by releasing captive-reared birds. These attempts have resulted in high mortality rates, which we hypothesised are caused by captive-reared birds exhibiting more naive predator avoidance behaviour than wild birds.


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Prevalence of Toxoplasma gondii infection in domestic and migrating birds from Mazandaran province, Northern Iran

Posted on 13. March, 2018.

The zoonotic parasite Toxoplasma gondii is widely prevalent in humans and most warm-blooded animals worldwide, and is found in almost one third of the human population. There are a variety of modes of transmission of the parasite to intermediate hosts.


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Variation in seroprevalence of antibodies against Mycoplasma gallisepticum and Avipoxvirus in nine species of birds with differential access to feeders

Posted on 9. March, 2018.

Congregation of individuals at high densities is known to increase disease transmission and bird-feeding activities are specifically aimed at attracting many birds to a single location. Studies have shown that implementing bird feeders increases the likelihood of host infection to Mycoplasma gallisepticum, a causative agent of conjunctivitis in birds.


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Weather-dependent variation in the winter diet of urban roosting Long-eared Owls (Asio otus) in Pécs (Hungary)

Posted on 5. March, 2018.

Long-eared Owls usually winter in groups, mainly on evergreen trees in settlements, They hunt at night and rest in trees during the day. The indigestible parts of the prey (e.g. bones, hair, feathers and chitin) are regurgitated in the form of pellets, from which one can conclude the composition of their diet. 


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Weather-dependent variation in the winter diet of urban roosting Long-eared Owls (Asio otus) in Pécs (Hungary)

Posted on 7. February, 2018.

Long-eared Owls (Asio otus)  usually winter in groups in settlements, hunt at night and rest in evergreen trees during the day. From prey remnants regurgitated as pellets, one can detect species present in their hunting areas and changes in their abundance. Our aim was to reveal how the ratio of small mammal species in Long-eared Owl prey changes during the winter, since weather can influence hunting success and the availability of prey.


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The dispersal of rodent-borne strains of Aphanoascus keratinophilus and Chrysosporium tropicum by pellets of predatory birds

Posted on 18. December, 2017.

Pathogenic species of yeast, yeast-like fungi and moulds have been recovered from faeces, feathers, beaks and cloacae as well as pellets of species of migratory and sedentary birds. Bird pellets, in particular pellets of predatory birds, are an especially suitable model for studies of circulation routes of dermatophytes and other keratinophilic fungi as they contain undigested food remains, which are rich in keratin (e.g. feathers, fur). 


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