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.
Dog Disease 5: Lyme Disease in Dogs. Lyme disease is a bacterial disease spread by ticks. Infected dogs exhibit symptoms such as limping, lethargy, depression, loss of appetite and fatigue.Lyme disease can affect the heart, kidneys and brain. Vaccinations are the best way to prevent this terrible disease.og Disease 10: Hepatitis in Dogs. Hepatitis in dogs affects the liver. The disease is highly contagious, passed easily from dog to dog. Symptoms of hepatitis include vomiting, diarrhea and fever.