Pepperberg (The Alex studies: cognitive and communicative abilities of gray parrots. Harvard University Press, Cambridge;1999) showed that some of the complex cognitive capabilities found in primates are also present in ...

Mycoplasma gallisepticum (Mg) is amongst the most important avian pathogens. Due to the severity of infections and commercial restrictions in the poultry industry, as coordinated by the National Poultry Health Program, it ...

Aim: The blue‐fronted amazon (Amazona aestiva) is a widely distributed Neotropical parrot with two recognized sub‐species, which are mainly characterized by the colour of the shoulder. We explored mitochondrial DNA variability ...

PurposeUltrasonographic evaluation of the eye is a relatively recent addition to routine ophthalmic diagnostics in small animal ophthalmology. Some parameters for ophthalmic biometry have been established. There are few ...

The objective of this investigation was to determine radiographic measurements, without chemical restraint, of the cardiac silhouette in 34 healthy, adult blue-fronted Amazon parrots (Amazona aestiva) of unknown sex with ...

This study aimed to determine the echocardiographic parameters of blue-fronted Amazon parrots (Amazona aestiva, Linnaeus, 1758) with varying body condition scores. Thirty-five birds only grown in captivity were included ...

PurposeUltrasonographic evaluation of the eye is a relatively recent addition to routine ophthalmic diagnostics in small animal ophthalmology. Some parameters for ophthalmic biometry have been established. There are few ...