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Online Journal of Veterinary Research©
(Including Medical and Laboratory Research)
Volume 25 (11):763-769, 2021.
Behavior, physiology, hematology, cortisol and tonic mobility tests in Pekin ducks after transport stress.
TM Mousa-Balabel and RA Mohamed.
Dept. of Hygiene and Preventive Med., Fac. of Vet. Med., Kafr EL-Sheikh Univ., Kafr El-Sheikh, Egypt.
Mousa-Balabel TM, Mohamed RA., Behavior, physiology, hematology, cortisol and tonic mobility tests in Pekin ducks after transport stress, Onl J Vet Res., 25 (11):763-769, 2021. We report physiological and behavioral responses to transport stress in 210 Pekin ducks aged ~4 months weighing ~2.3 kg. Groups of 10 ducks each held in 18 crates were transported 50 or 100km at 26±2°C, 76% RH at 60 km/h and upon arrival either rested 1h or given 1g Vitamin C in drinking water. Results were recorded upon arrival or 24h later. Controls were not transported. By truck transport, and compared with controls (P < 0.05), we found reduced feeding (-24%) at arrival and by 24h (-6%), water intake increased 11-16%, preening declined 38-54%, rest time increased 3 to 6 fold, distress cries 34 to 40 fold, tonic mobility time 61-68% and death 3-6%. However, in ducks rested 1h or given vitamin C upon arrival we found no effect by 24h on any measurement. Plasma cortisol increased 13-18% and lymphocytes ~16% but we found no effect in ducks rested 1h or given vitamin C by 24h. We find that resting ducks in a dark quiet place or given Vitamin C in drinking water after transport may reduce transport stress.
Keywords: Ducks, transport, stress, tonicity, cortisol.