Stress in broiler chickens due to acute noise exposure
2009
Chloupek, P.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic). Ustav Verejneho Veterinarniho Lekarstvi a Toxikologie | Voslarova, E.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic). Ustav Verejneho Veterinarniho Lekarstvi a Toxikologie | Chloupek, J.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic). Ustav Vyzivy, Zootechniky a Zoohygieny | Bedanova, I.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic). Ustav Verejneho Veterinarniho Lekarstvi a Toxikologie | Pistekova, V.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic). Ustav Verejneho Veterinarniho Lekarstvi a Toxikologie | Vecerek, V.,Veterinarni a Farmaceuticka Univ., Brno (Czech Republic). Ustav Verejneho Veterinarniho Lekarstvi a Toxikologie
Stress effects from acute noise exposure were monitored in a group of ROSS 308 broiler chickens (n=80), aged 42 days. The experiment simulated slaughterhouse sounds to which the broilers were exposed for 10 min in the test enclosure. Biochemical plasma indicators and tonic immobility tests were used to evaluate the effects of acute noise exposure at two different levels (80 dB and 100 dB). Noise stimuli of both intensities induced a significant elevation in plasma corticosterone levels. Broilers that were exposed to noise stimuli of 100 dB also exhibited a significant increase in the cholesterol and total protein levels. Neither glucose and triglyceride concentrations nor the duration of tonic immobility were influenced. However, noise exposure at the level of 100 dB decreased the number of attempts to induce tonic immobility.
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