Low-flying helicopters cause only limited stress in dairy goats
Goats do not experience significant stress from a flying helicopter according to the Dutch National Aerospace Laboratory (NLR).
According to the NLR, Goats experience a brief startle response when a helicopter flies low overhead. Heart rate and the production of stress hormones do not change. The experiments were carried out Wageningen University and Research Center (Wageningen UR) and the NLR on behalf of the Netherlands Ministry of Defense.
The Ministry of Defense asked the NLR and WUR to investigate the possible effects of low-flying helicopters on the milk of goats, and whether it would have a detrimental effect on milk
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