Abstract

CARDENAS-GARCIA, Nany Stivalis; CORTES-CUEVAS, Arturo; QUINTANA-LOPEZ, José Antonio  and  GARCIA-ESPINOSA, Gary. Body condition of the blue-winged teal (Anas discors) hunted in the state of Mexico. Universidad y ciencia [online]. 2013, vol.29, n.1, pp.63-74. ISSN 0186-2979.

The body condition of the Blue-winged Teal (Anas discors) was evaluated for two consecutive years during the bird's stay at Chiconahuapan lagoon, a fragmented wetland in the Ciénegas de Lerma, state of Mexico. The study included the evaluation of body weight, subcutaneous fat, and width and depth of pectoral muscles in specimens of Blue-winged Teal. During the first year of the study, body weight and subcutaneous fat decreased progressively from November to February; the width of the pectoral muscles decreased while the depth increased. During the second year, body weight and subcutaneous fat decreased progressively from November to January; no significant differences were observed in the pectoral muscles. The study showed that the Blue-winged Teal maintains a body condition similar to that of other waterfowl species during its stay in the fragmented wetland of the state of Mexico.

Keywords : Anas discors; body weight; pectoral muscle; subcutaneous fat; fragmented wetland.

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