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.
These signs and symptoms appear due to the involvement of the brain and other parts. In some people, the eyes become red and there can be a discharge of pus. Inflammation of the liver is another uncommon sign of Lyme disease. Dogs also get infected with ticks and acquire Lyme disease. In dogs, the symptoms appear differently than in humans. The rash is not the common symptom in dogs. They generally get joint pain and fever months after the tick bite.