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.
Spread to dogs, as to humans, by infected deer ticks, Lyme disease may cause fever, lethargy, loss of appetite, painful joints and lameness. Symptoms may not appear for weeks or months, and many infected animals do not become ill.n dogs, even more than in humans, the disease is usually cured easily with antibiotics. The new vaccine uses killed Lyme disease bacteria to induce a dog's own immune system to produce antibodies to the disease.