Tag: Northern Pintail

Characterization of Northern pintail ( Anas acuta) ejaculate and the effect of sperm preservation on fertility

Northern Pintail (Anas acuta) Science Article 1 abstract Northern pintail duck semen and sperm traits were characterized, and the fertility of cold-stored spermatozoa was investigated using artificial insemination. Excellent qualityejaculates containing high proportions of motile spermatozoa were collected from drakes within 20 s by a massage technique. Semen was collected in Beltsville poultry semen extender, […]

Estimation of carcass fat and protein in northern pintails ( Anas acuta) during spring migration

Northern Pintail (Anas acuta) Science Article 2 abstract Foraging in stopover areas influences nutritional condition of birds during spring migration. Our purpose was to determine if body mass, percent carcass water, and serum biochemistry would predict energy reserves (carcass fat and protein) in northern pintails (Anas acuta) at a spring staging area, Lake St. Pierre […]