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Full-Text Articles in Veterinary Medicine
Preventing Back Pain In Horses, Jenifer Nadeau
Preventing Back Pain In Horses, Jenifer Nadeau
Extension Articles
Back pain is a source of poor performance and many different types of horses suffer from back problems. Early recognition of back pain is important, since damage may be cumulative. This information is provided to help horse owners and riders prevent, recognize, and pursue treatment for back pain in their horses.
Does Diving Limit Brain Size In Cetaceans?, Lori Marino, Daniel Sol, Kristen Toren, Louis Lefebvre
Does Diving Limit Brain Size In Cetaceans?, Lori Marino, Daniel Sol, Kristen Toren, Louis Lefebvre
Veterinary Science and Medicine Collection
We test the longstanding hypothesis, known as the dive constraint hypothesis, that the oxygenation demands of diving pose a constraint on aquatic mammal brain size.Using a sample of 23 cetacean species we examine the relationship among six different measures of relative brain size, body size, and maximum diving duration. Unlike previous tests we include body size as a covariate and perform independent contrast analyses to control for phylogeny. We show that diving does not limit brain size in cetaceans and therefore provide no support for the dive constraint hypothesis. Instead, body size is the main predictor of maximum diving duration …