In most animals, offspring genders are determined by sex chromosomes at the time of conception. But alligators and other crocodilian species, as well as some turtles and lizards, do not have sex chromosomes. Instead, the sex of the young is determined by the temperature at which the eggs incubate during a critical ...
Nexgard: in a field study of 415 dogs, reactions included vomiting, dry/flaky skin, diarrhea, lethargy, and lack of appetite. These reactions occurred in 4% or less of dogs. Three dogs in the study had a history of seizures; 2 out of 3 experienced one or more seizures after taking Nexgard.
NexGard(Â®) is a relatively new medicine which can be given to dogs to kill ticks and fleas. It contains the active ingredient afoxolaner which spreads through the dogâs bloodstream after being ingested. When parasites feed on the blood of the dog the drug enters their bodies and causes death by overloading the nervous system.