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 kills adult fleas and is indicated for the treatment and prevention of fl ea. infestations (Ctenocephalides felis), and the treatment and control of American Dog. tick (Dermacentor variabilis) infestations in dogs and puppies 8 weeks of age and older, weighing 4 pounds of body weight or greater, for one month.