&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.
Oral Flea Formulas for Cats. Fleas can cause skin irritations, hair loss and inflammation. Part your kitty's fur and you may see a flea scurry for deeper cover. It's annoying, but flea infestation is something pet owners face. A number of flea products work, but oral flea formulas for cats serve specific needs to help end the dreaded flea cycle.