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.
Host: v90-ppp-49.setnet.net /. Document Title: Lyme Disease and Blindness in Dogs. About six weeks ago my dog began acting lethargic, panting, drinking excessively and put on weight. She had quite a bit of lab work and a chest X Ray all of which were negative. She began to stumble and walk into things.