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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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Effect of low-protein diets with crystalline amino acid supplementation on egg production, blood parameters and nitrogen balance in laying Japanese quails

Posted on 26. February, 2015.

Several dietary strategies can be used to reduce N excretion in poultry manure, including the supplementation of synthetic amino acid to low-protein diets, the utilisation of hydroxy-analogues or keto acids of amino acids to supplement low-protein diets, or the concept of a dietary ideal protein ratio. 

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Biology of the gastro-intestinal tract in poultry

Posted on 24. February, 2015.

The gastro-intestinal tract is important for digestion and nutrient absorption. In poultry, it also poses major metabolic demands. For instance in the chicken, the gastro-intestinal tract represents only 1.5% of the body weight but requires 8% of the energy metabolised.

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Seabird embryos as biomonitors of micronucleogenic genotoxic agents: potential application for the coasts of Mexico

Posted on 19. February, 2015.

A genotoxic agent is a compound that has the potential to alter genetic material, either directly or by activating toxic metabolic mechanisms. These agents include a great variety of elements and chemical compounds, such as heavy metals, pesticides and petroleum derivatives

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Boldness of urban Australian magpies and local traffic volume

Posted on 14. January, 2015.

In order to successfully colonise the urban environment, birds must be able tolerate pedestrian and vehicle proximity, because exhibiting a strong fleeing response each time that a harmless traffic stimulus is encountered would be maladaptive. 

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Insight into the predictive binding modes of the influenza A neuraminidase in complexes with avian and human receptor analogues

Posted on 13. November, 2014.

In this paper, the binding modes of the influenza A(H7N9) neuraminidase in complexes with avian-type (3′-SLN) and human type (6′-SLN) receptor analogues are investigated by combined homology modelling, molecular docking and quantum mechanical/molecular mechanical (QM/MM) methods.

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Cloning, expression and bioactivity of wild ruddy shelduck (Tadorna ferruginea) interleukin-2

Posted on 15. September, 2014.

Interleukin-2 (IL-2) is one of the most actively studied interleukins; the data on its involvement in the regulation of immune functions confirm its role as a T-cell growth factor. The IL-2 is a powerful growth factor for variety of cell types, plays a central role in the cell differentiation, and stimulates the activity of many kinds of killer cells.

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Does the threat of European Pine Marten (Martes martes) predation influence the height of nests built by Blue Tits (Cyanistes caeruleus) and Great Tits (Parus major)?

Posted on 19. August, 2014.

Nesting in tree cavities evolved and was lost repeatedly in different groups of passerines, resulting in specific patterns between and within avian families.  In Paridae, nesting is almost exclusively restricted to holes in trees.

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Free for 24 hour only - Feather-damaging behaviour in companion parrots

Posted on 18. August, 2014.

Parrots from over 200 species are maintained in zoos, breeding facilities, private homes, etc. In all captive settings, parrots can develop feather-damaging behaviour, in which birds repetitively chew or pluck out their feathers.  Believed to be rare or absent in wild parrots , this behaviour is of concern for many reasons.

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