Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to treat allergies in macaws [title] Avoid exposure to allergens. [step] Keep your bird in a clean environment away from any possible allergens. For example, your macaw may have seasonal allergies associated with pollen and mold.

Ending1: Staying in an environment that produces pollen calms, prevents tick bites, and protects from pollen mites. If your macaw is exposed to pollen mites, be sure to expose the animal to allergy treatments. Ending2: The best way to treat allergies is to avoid exposure to allergens as much as possible. [substeps] Similarly, if your bird has been diagnosed with a food allergy, stop feeding them that type of food. Ending3: You will want to treat your macaw during pollen rain, october 2010 to september 2007. [title] Ventilate your home and provide adequate ventilation. Ending4: [substeps] If your macaw does experience a seasonal allergy, place it in an unventilated box. Seal and move it out of the box if you pet macaws.

Answer format: ending1/ending2/ending3/ending4