Cats | Housing and Environment | Evidence chain

FAQ

What should I note about the number of litter boxes for cats?

Number of cats + 1 (✅ existence verified: the same Carney et al 2014 JFMS, PMID 24966283, source given in the earlier "must-do prevention" row, verified 2026-07-30; the original also notes "Households with a single cat should have two litter boxes" and "this is not an absolute requirement"), spread across different floors / rooms ｜ Several cats sharing one box; putting them all in the same place (equivalent to one box). The actual judgement still rests with a veterinarian on a case-by-case basis, and this article gives no drug names or dosages.

猫のトイレの数について何に注意すべきですか？ — 猫の数＋1（✅存在確認済み：同じ Carney et al 2014 JFMS、PMID 24966283、前段の「必須の予防」の行の出典を参照、確認 2026-07-30；原文はさらに「Households with a single cat should have two litter boxes」「this is not an absolute requirement」と注記しています）、異なる階／部屋に分散させる ｜ 複数の猫で1つを共用；すべて同じ場所に置く（1つと同じ）。実際の判断は獣医師が個別の症例に応じて行う必要があり、本記事は薬剤名と用量を記載しません。

What should I note about the number of litter boxes for cats? — Number of cats + 1 (✅ existence verified: the same Carney et al 2014 JFMS, PMID 24966283, source given in the earlier "must-do prevention" row, verified 2026-07-30; the original also notes "Households with a single cat should have two litter boxes" and "this is not an absolute requirement"), spread across different floors / rooms ｜ Several cats sharing one box; putting them all in the same place (equivalent to one box). The actual judgement still rests with a veterinarian on a case-by-case basis, and this article gives no drug names or dosages.

What should I note about the litter box specification for cats?

Large (a length greater than the cat's body length is recommended; ✅ existence verified: Carney et al 2014 JFMS (same PMID 24966283), original wording "a rectangular litter box that is 1.5 times the length of the cat from nose to base of tail; in one study, adult cats preferred a box that was 34 x 15 inches (86 x 39 cm)", verified 2026-07-30, i.e. about 1.5 times), open with no lid, with a low rim (for older or arthritic cats) ｜ Using a small covered box, or an automatic box the cat is afraid to enter. The actual judgement still rests with a veterinarian on a case-by-case basis, and this article gives no drug names or dosages.

猫のトイレの仕様について何に注意すべきですか？ — 大きめ（猫の体長より長いものを推奨。✅存在確認済み：Carney et al 2014 JFMS（同 PMID 24966283）原文「a rectangular litter box that is 1.5 times the length of the cat from nose to base of tail; in one study, adult cats preferred a box that was 34 x 15 inches (86 x 39 cm)」、確認 2026-07-30、すなわち約 1.5 倍）、蓋のないオープン型、縁が低いもの（高齢猫／関節炎の猫） ｜ 小型の蓋付きトイレや、猫が入るのを怖がる自動トイレを使う。実際の判断は獣医師が個別の症例に応じて行う必要があり、本記事は薬剤名と用量を記載しません。

What should I note about the litter box specification for cats? — Large (a length greater than the cat's body length is recommended; ✅ existence verified: Carney et al 2014 JFMS (same PMID 24966283), original wording "a rectangular litter box that is 1.5 times the length of the cat from nose to base of tail; in one study, adult cats preferred a box that was 34 x 15 inches (86 x 39 cm)", verified 2026-07-30, i.e. about 1.5 times), open with no lid, with a low rim (for older or arthritic cats) ｜ Using a small covered box, or an automatic box the cat is afraid to enter. The actual judgement still rests with a veterinarian on a case-by-case basis, and this article gives no drug names or dosages.

What should I note about litter and cleaning for cats?

Fine grain, unscented; scoop daily and wash out the whole box regularly; avoid pungent cleaning agents ｜ Scented litter, leaving it unscooped for long periods, cleaners that smell of bleach. The actual judgement still rests with a veterinarian on a case-by-case basis, and this article gives no drug names or dosages.

猫の猫砂と清掃について何に注意すべきですか？ — 細かい粒、無香料；毎日すくい、定期的にトイレ全体を洗う；刺激臭のある洗剤は避ける ｜ 香り付きの砂、長期間すくわない、漂白剤のにおいがする洗剤。実際の判断は獣医師が個別の症例に応じて行う必要があり、本記事は薬剤名と用量を記載しません。

What should I note about litter and cleaning for cats? — Fine grain, unscented; scoop daily and wash out the whole box regularly; avoid pungent cleaning agents ｜ Scented litter, leaving it unscooped for long periods, cleaners that smell of bleach. The actual judgement still rests with a veterinarian on a case-by-case basis, and this article gives no drug names or dosages.