November 5, 2015

Comparison of the trotting gaits of Labrador Retrievers and Greyhounds

This article compares the trotting gaits of the Greyhound and the Labrador Retrievers. The authors sought to figure out if the differences in trotting speed were due to differences in the matter of moving or differences in body size/shape. 8 Greyhound puppies and 5 Retriever puppies were compared. The scientists set up a series of 4 force platforms in order to record independent ground reaction forces on the forelimbs and hind limbs during trotting. To normalize stride difference, values of stride parameters were compared between breeds.

The results showed that Greyhounds used less (but longer) strides to travel the same distance as the Retrievers. This means that despite the fact that greyhounds and Retrievers have a similar trot, body size differences are the main contributors to the differences in striding. 

Bertram, John, David Lee, and Holly Case. 'AVMA - American Journal Of Veterinary Research - 61(7):832 - Abstract'. Avmajournals.avma.org. N.p., 2000. Web. 5 Nov. 2015.

http://avmajournals.avma.org/doi/abs/10.2460/ajvr.2000.61.832