{"pageUrl":"https://comparethespecs.com/zh/pets/dog-gear-nutrition/what-are-the-best-dog-flea-and-tick-prevention-for-dogs-that-spend-a-lot-of-time-outdoors","lastUpdated":"2026-09-13","totalProducts":3,"niche":"对于经常在户外活动的狗狗，最好的跳蚤和蜱虫预防措施是什么？","description":"What are the best dog flea and tick prevention for dogs that spend a lot of time outdoors?","products":[{"brand":"Elanco","model":"Seresto Flea & Tick Collar for Dogs, up to 18 lbs, 1 Collar","price_gbp":44.28,"origin_country":null,"specs":{"duration":"Up to 8 months","waterproof":"No, water-resistant","side_effects":"Itching, redness, hair loss, dermatitis, inflammation, lethargy, restlessness, tremors, convulsions, or ataxia","dosage_frequency":"Continuous wear","active_ingredient":"Imidacloprid 10.0% and flumethrin 4.5%","application_method":"Fit collar around the neck with two fingers of space, thread through the loops, and trim excess","suitable_for_puppies":"Yes, 7 weeks and older"},"confidence_score":null,"sources":[{"label":"Petco","url":"https://www.petco.com/product/seresto-flea-and-tick-collar-for-dogs","currency":"USD","source_country":"US","price":59.99,"price_gbp":44.28,"scraped_at":"2026-09-11T07:58:43.528611"},{"label":"HardyPaw","url":"https://hardypaw.com/products/seresto-flea-tick-collar-small-dogs","currency":"USD","source_country":"US","price":59.99,"price_gbp":44.28,"scraped_at":"2026-09-11T07:58:43.528611"}],"summary":"This odorless, non-greasy collar releases imidacloprid and flumethrin continuously to kill and repel fleas and ticks through contact. It provides up to 8 months of protection for dogs weighing up to 18 lbs and puppies 7 weeks or older.","ideal_for":"其长达8个月的持续保护、基于接触的跳蚤和蜱虫控制以及防水设计，使其适合经常在户外活动的狗狗。"},{"brand":"Elanco","model":"Seresto Flea & Tick Collar for Dogs, over 18 lbs, 1 Collar","price_gbp":17.44,"origin_country":null,"specs":{"duration":"8 months","waterproof":false,"side_effects":"Itching, redness, hair loss, dermatitis, neurological symptoms","dosage_frequency":"Continuous wear; replace every 8 months","active_ingredient":"Imidacloprid and flumethrin","application_method":"Fit collar around the neck with two fingers of space; trim excess length","suitable_for_puppies":"Yes, 7 weeks and older"},"confidence_score":null,"sources":[{"label":"Petco","url":"https://www.petco.com/product/seresto-flea-and-tick-collar-for-large-dogs","currency":"USD","source_country":"US","price":59.99,"price_gbp":44.28,"scraped_at":"2026-09-11T07:58:43.528611"},{"label":"Koala Health","url":"https://www.koala.health/products/seresto-flea-and-tick-collar-for-dogs-796/4044","currency":"USD","source_country":"US","price":59.99,"price_gbp":44.28,"scraped_at":"2026-09-11T07:58:43.528611"},{"label":"PetCareSupplies","url":"https://www.petcaresupplies.com/seresto-collar-for-dogs/flea-and-tick-control-treatment-2372.aspx","currency":"USD","source_country":"US","price":23.63,"price_gbp":17.44,"scraped_at":"2026-09-11T07:58:43.528611"}],"summary":"Seresto is a long-lasting flea and tick collar for dogs over 18 lbs that releases imidacloprid and flumethrin continuously. It provides up to 8 months of protection, is water-resistant, and kills and repels fleas and ticks through contact.","ideal_for":"适合经常在户外活动的犬只，因为它可持续提供 8个月的跳蚤和蜱虫防护，在下雨和游泳后仍能保持有效，并通过接触杀灭和驱除害虫。"},{"brand":"NexGard","model":"NexGard Chewables for Dogs, 4-10 lbs, 6 Chewable Tablets","price_gbp":118.74,"origin_country":null,"specs":{"duration":"30 days","side_effects":"Vomiting, itching, lethargy, diarrhea, lack of appetite, tremors, ataxia, seizures","dosage_frequency":"Once monthly","active_ingredient":"afoxolaner","application_method":"Oral chewable tablet with or without food","suitable_for_puppies":"Yes, 8 weeks or older and 4 lbs or more"},"confidence_score":null,"sources":[{"label":"Petco","url":"https://www.petco.com/product/nexgard-chewables-orange-for-dogs-4-to-10-lbs","currency":"USD","source_country":"US","price":160.89,"price_gbp":118.74,"scraped_at":"2026-09-11T07:58:43.528611"}],"summary":"NexGard is a beef-flavored oral chew containing afoxolaner that kills fleas and controls ticks for 30 days. It is designed for dogs and puppies weighing 4-10 lbs, including puppies at least 8 weeks old and dogs that spend time outdoors.","ideal_for":"本产品适合经常在户外活动的犬只，因为其每月口服一次的 afoxolaner 剂量可在30天内杀灭跳蚤并控制多种蜱虫，无需依赖外用涂抹。"}]}