&middotDrought damage - needles gradually turn yellowish-green and then light brown. This starts at the top of the tree and progresses downward and from the outside in. &middotAnimal injury - dog urine can cause some browning and dropping of lower branches on arborvitae and junipers.
There are many different brands of cat flea collars. Generally, flea collars work by either emitting a toxic gas to the local area (head/neck of the pet) or by exuding chemicals that are absorbed into the animal's skin. Some flea collars have an Insect Growth Regulator (IGR), to prevent development of cat fleas, eggs and larvae.
How to Apply SerestoÂ® on Cats. Learn how to apply SerestoÂ® to your cat for 8-month protection from fleas and ticks. ANNOUNCER: SerestoÂ® protects your cat against fleas and ticks for eight months. It offers the performance you expect from topicals, but with the non-greasy, easy-to-use convenience of a collar. With its sustained release technology, it offers dependable flea and tick control for cats. Seresto Â® is easy to use and takes just moments to apply to your cat. Remove the collar from its protective bag directly prior to use. Unroll it and remove the small plastic connectors from inside the collar, ensuring no remnants remain. Simply insert the end of the collar through the buckle and loop.