A black Labrador puppy goes swimming in a nutrient-rich pond one summer afternoon.Within hours the puppy begins vomiting and showing signs of damage to his nervous system.The puppy's owner takes him to a local veterinarian and is told the puppy also has liver damage.Upon questioning,the owner recalls the pond water the puppy went swimming in was green and cloudy.The veterinarian suspects the puppy was exposed to

Question

Quizplus · Accepted Answer

The green and cloudy appearance of the pond water suggests an overgrowth of cyanobacteria, also known as blue-green algae. Some cyanobacteria produce toxins that can cause liver damage and damage to the nervous system, which may explain the puppy's symptoms.

A Black Labrador Puppy Goes Swimming in a Nutrient-Rich Pond