An environmental cause can include a drug, alcohol or a disease the mother has that can increase the chance for the baby to be born with a birth defect. An agent that can cause a birth defect is known as a teratogen. Multifactorial birth defects are caused by a combination of genes and environmental exposures.
National Rescues. Lyme Disease May Cause Sudden Aggression in Dogs Written by Betsy Sommers of. Peppertree Rescue, Albany, NY, USA. 28th May 2004: We recently had a very strange event that I think we should share around the rescue community. A Young (~2 years) Lab mix, male, came into our program with a questionable background.
Cooper's previous dog died of complications from Lyme disease and she is vigilant about checking Penny for ticks. Experts say climate change has increased the prevalence of fleas, ticks and heartworm disease for pets in the U.S. (AP Photos/Beth J. Harpaz) Ticks cause Lyme disease in dogs as well as in humans.