NR ZCAP

AU Gregory,N.G.; Wilkins,L.J.

TI Effect of stunning current on downgrading in ducks

QU British Poultry Science 1990; 31: 429-431

PT journal article

AB 1. The effect of 85, 150 or 250 mA electrical stunning currents was examined on the proportion of ducks experiencing a ventricular fibrillation at stunning and on subjectively scored downgrading conditions. 2. The ducks were less susceptible to a ventricular fibrillation than chickens or turkeys, but a stunning current of 250 mA induced a ventricular fibrillation in 99% of the birds. 3. The incidence of reddening of the rear margin of the wing was lowest in the 85 mA current treatment. The incidence of the following conditions was not affected by stunning current: red pygostyles, red wingtips, wing haemorrhaging, engorgement of the wing veins, breast and leg muscle haemorrhaging, and broken furcula and coracoids.

SP englisch

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