Characteristics of Crested Tinamou (Eudromia elegans Saint-Hilaire, 1832) (Aves: Tinamidae) eggs

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Date
2024-12-15
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Plovdiv University Press Paisii Hilendarski
Abstract
The main characteristics of Crested Tinamou eggs, including shell colour characteristics in two age groups (young and old birds) were studied. The average value of the egg shape index was 73.23±0.51 with the average egg size of 50.13±0.47 mm/36.67±0.18 mm. The average egg weight of all eggs was 35.58±0.64 g, lighter in the young birds (P<0.001). The share of albumen: yolk: shell with shell membranes was 58.4%:32.2%:9.4%. Crested Tinamou eggshell is characterized by average values in the CIE L*a*b* colour system as follows: 51.62±0.51 (L*), -11.57±0.21 (a*), and 36.62±0.54 (b*) with an average shell color index (SCI**) of -13.19±0.4.
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Keywords
eggshell, colorimetry, egg quality
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