The noses of many mammals, such as dogs, ferrets and cows, feature grooves forming a multitude of polygons.  A team from the University of Geneva (UNIGE) has analyzed in detail how these patterns form in the embryo using 3D imaging techniques and computer simulations. The researchers discovered that differential growth of the skin tissue layers leads to the formation of domes, which are mechanically supported by the underlying blood vessels. This work describes for the first time this morphogenetic process, which could help explain the formation of other biological structures associated with blood vessels. These findings are published in the journal Current Biology.

As scientists learn more about a deadly parasite’s ability to move from host to host in turkey flocks, a long-standing theory is in question and opens the door to new preventative measures.

Histomonas meleagridis, the parasite behind histomonosis — also known as blackhead disease — can decimate flocks of turkeys. There are currently no U.S. Food and Drug Administration-approved vaccines or therapeutics to treat the birds.

Canine epilepsy is a common yet poorly understood condition due to gaps in research and diagnostic inconsistencies. This review emphasizes the need for more studies in primary care settings and the importance of standardized diagnostic practices. Geographic, cultural, and socioeconomic factors play a significant role in how epilepsy is diagnosed and managed, and efforts to address these disparities will be key in improving the quality of life for dogs with epilepsy.

Tigilanol tiglate is gaining recognition as an effective local treatment for mast cell tumors (MCTs) in dogs. Despite its growing use, data on its response rate and long-term effectiveness have been limited. A recent multicenter, retrospective study aimed to address this gap by examining the treatment outcomes in 149 dogs with 151 MCTs.