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.
From the maker of FRONTLINEÂ® Flea & Tick. Productsâa brand you can trust. NexGard soft chew is FDA-approved, and proven safe and. effective for use in dogs and puppies 8 weeks of age or older, weighing 4 pounds or more. It contains an ingredient, afoxolaner, that kills both fleas and ticks. quickly and keeps killing for a whole month.2 So it helps provide.