Study shows cows bothered by bells - SWI

Effects of bells on the behaviour of dairy cows on pasture. A. Feeding

Study sounds warning alarm for Swiss cow bells

Cows May Be Hurt By Heavy Cowbells, Study Finds

Cow Bell - Antique

Cow Bell - Antique

Things That Are Toxic To Cows - The Open Sanctuary Project

PDF) Regular Exposure to Cowbells Affects the Behavioral Reactivity to a Noise Stimulus in Dairy Cows

Missing cow bells this time of the year - English Forum Switzerland

Chapter 1: Quantifying animal welfare preslaughter using behavioural, physiological and carcass and meat quality measures in: Preslaughter handling and slaughter of meat animals