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Cryoprotective effect of glycerol concentrations on Indian Red Jungle Fowl (Gallus gallus murghi) spermatozoa

Posted on 20. August, 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: Testis size and asymmetry in the Guinea Fowl (Numida meleagris): a test of the compensation hypothesis

Posted on 2. May, 2018.

Despite numerous studies on testicular asymmetry in birds, there are still inconsistent reports on the pattern of asymmetry in species belonging to various phylogenetic groups and exhibiting diverse lifestyles. In addition, there is a lack of clarity on whether functional differences exist between the left and right testes despite differences in size, as well as no evidence of naturally occurring compensation in testis size in terrestrial and galliform birds. 


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Now available on Fast Track: Consequences of multi-scale habitat selection on reproductive success of riverine sandbar-nesting birds in Cambodia

Posted on 26. April, 2018.

Habitat selection occurs at multiple spatial scales and affects demographic processes including reproductive success. Few studies, however, have linked multi-scale habitat selection to reproductive success. We investigated breeding habitat selection at three spatial scales (nest site, nest area and territory), and the consequences of habitat selection on reproductive success of four riverine sandbar-nesting bird species in Cambodia. 


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Now available on Fast Track: Egg size and shape variation in Rufous Bush Chats (Cercotrichas galactotes) breeding in date palm plantations: hatching success increases with egg elongation

Posted on 23. April, 2018.

In oviparous taxa such as birds, clutch characteristics (e.g. egg size, egg mass and the number of eggs) can be considered as energetic investment in reproduction. In this paper, we study variation in the principal component indices of egg size and shape in Rufous Bush Chats (Cercotrichas galactotes) breeding in date palm plantations in the Al Amri Oasis, north Algeria, in 2008–2009 and 2011–2013.


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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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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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