parakeet feather allergenic extract
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The pure-tone thresholds of three budgerigars were determined from 8 Hz to 10 kHz. At a level of 60 dB sound pressure level (re… Expand Birds are generally thought to have excellent vision with high spatial resolution. However, spatial contrast sensitivity of birds… Expand Abstract The object of this study was to establish a minimum dose of ultraviolet B (UVB) radiation capable of producing an… Expand Plasmid DNA (pcDNA1::MOMP A) expressing the major outer membrane protein (MOMP) of Chlamydophila psittaci genotype A strain 89… Expand Budgerigars, Melopsittacus undulatus, were trained to discriminate monochromatic lights from mixtures of two comparison lights… Expand A new combination of operant conditioning and psychophysical scaling procedures was used to study auditory perception in a small… Expand 'Going light' is a chronic but eventually fatal disease of budgerigars. Clinically the only consistent features are weight loss… Expand Daily drinking patterns of budgerigars (Melopsittacus undulatus) fed millet grain were studied. Further, they were tested to… Expand Abstract 1. 1. The Australian budgerygah is poorly insulted and has a high lower critical temperature (34°C). It does not use… Expand