Medium dog breeds

Toy 6–10 lb; Miniature 10–20 lb; Standard 25–35 lb · 13–15 years

12–28 lb · 14–16 years

30–45 lb (male), 25–40 lb (female) · 10–14 years

35–50 lb · 12–16 years

35–50 lb · 10–13 years

38–45 lb (male), 32–35 lb (female) · 12–15 years

23–39 lb · 13–16 years

30–40 lb (male), 25–35 lb (female) · 10–15 years

30–40 lb · 12–14 years

50 lb (male), 40 lb (female) · 8–10 years

30–38 lb (male), 25–34 lb (female) · 12–15 years

20–28 lb (male), 19–25 lb (female) · 15–16 years

25–30 lb (male), 20–25 lb (female) · 10–14 years

29–44 lb · 13–14 years

Standard 16–32 lb; Miniature up to 11 lb · 12–16 years

35–40 lb · 15 years

28–34 lb (male), 26–32 lb (female) · 12–14 years

50 lb (male), 40 lb (female) · 12–14 years

35–50 lb · 12–13 years

25–33 lb (male), 20–28 lb (female) · 13–15 years

up to 28 lb · 10–12 years

25–45 lb · 12–14 years

32–40 lb · 10–15 years

40–45 lb · 13–15 years

50 lb (male), 45 lb (female) · 11–14 years

30 lb (male), 25 lb (female) · 12–14 years

27 lb (male), 25 lb (female) · 13–15 years

30–40 lb (male), 25–35 lb (female) · 12–15 years

44–49 lb · 11–13 years

35–45 lb · 12–15 years

26.5–33.1 lb (male), 22–28.7 lb (female) · 12–15 years

40–50 lb (male), 30–40 lb (female) · 14–15 years

20–35 lb · 13–15 years

28.5–35 lb (male), 24–31 lb (female) · 15–17 years

20–40 lb · 12–13 years

18–28 lb · 11–13 years

18–29 lb · 12–14 years

20–30 lb · 12–15 years

20–30 lb · 14–17 years

31–40 lb (male), 26–35 lb (female) · 12–15 years

35–50 lb · 12–14 years

up to 30 lb (male), up to 28 lb (female) · 12–13 years

Small 8.5–17.5 lb; Medium 17.5–26.5 lb; Large 26.5–55 lb · 12–14 years

25–40 lb · 14–16 years

30–50 lb · 12–14 years

38–48 lb (male), 33–40 lb (female) · 12–14 years

Large 44–66 lb; Medium 35–44 lb · 10–15 years

25–35 lb · 10–15 years

27–29 lb (male), 22–24 lb (female) · 12–13 years

15–30 lb · 17–19 years

35–45 lb · 12–14 years

33–44 lb · 12–13 years

35–40 lb (male), 30–35 lb (female) · 12–14 years

40–49 lb (male), 31–40 lb (female) · 12–14 years

28–38 lb (male), 24–34 lb (female) · 12–15 years

35–50 lb (male), 30–45 lb (female) · 13–16 years

35–45 lb · 13–15 years

30–45 lb · 12–14 years

20–35 lb · 12–15 years

26–40 lb · 9–13 years

40–43 lb (male), 35–40 lb (female) · 14–17 years

30–50 lb · 10–12 years

25–40 lb · 12–15 years

Toy 10–15 lb; Miniature 15–30 lb; Standard 30–55 lb · 13–18 years