Daphne A Ketter, André Klima, Helmut Küchenhoff, Britta Dobenecker, Jörg Schmidt, Michael H Erhard, Dorothea Döring
It is increasingly required that non-human animals in laboratories are provided with adequate enrichment to promote the welfare of the animals. In a previous publication we showed that laboratory dogs intensively used the horn of calf hooves as chewing objects. In this report, we describe the effect of calf horn on selected behaviors of 62 laboratory dogs (60 beagles, two Foxhound crossbreds) in three research facilities (A, B, C). In addition, we assessed the dogs' tooth condition and fecal consistency. The selected behaviors: "aggressive behavior," "mounting," "tussle," "coprophagy," "manipulation" of the equipment and "abnormal behavior" did not change...
February 14, 2019: Journal of Applied Animal Welfare Science: JAAWS