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Table 1 Means and standard deviation of body condition score (BCS), body composition analyzed by DXA and measurements by biometry (BIO), bioimpedance analysis (BIA) and ultrasonography (US) in males (M) and females (F) cats, before weight loss (T0), and after 10% (T1) and 20% (T2) of body weight loss

From: DXA, bioelectrical impedance, ultrasonography and biometry for the estimation of fat and lean mass in cats during weight loss

Variables

Animals

T0

T1

T2

BCS1

F*

8.7(0.5)

8.0 (0.8)

6.7 (1.1)

 

M*

8.6 (0.5)

7.9 (0.7)

6.0 (0.8)

TBM (g)

F

4576.0 (914.7)

4005.0 (873.2)

3581.0 (770.0)

 

M

5258.0 (1175.1)

4617.0 (1145.0)

4105.0 (1055.9)

FM(g)

F

1929.0 (540.3)

1430.0 (541.6)

1026.0 (371.5)

 

M

1968.0 (675.0)

1426.0 (670.4)

1077.0 (534.3)

FM (%)

F

41.6 (4.0)

34.9 (7.4)

28.0 (4.9)

 

M

36.7 (4.6)

29.7 (6.5)

25.3 (6.3)

LM (g)

F

2538.0 (383.1)

2474.0 (431.2)

2458.0 (425.0)

 

M

3153.0 (512.9)

3063.0 (488.5)

2902.0 (586.7)

LM (%)

F

56.0 (4.0)

62.6 (7.3)

69.3 (4.8)

 

M

60.7 (4.5)

67.5 (6.4)

71.6 (6.1)

BW (g)

F

4781.3 (839.3)

4228.8 (868.8)

3788.8 (769.8)

 

M

5431.3 (1174.4)

4881.3 (1125.8)

4366.3 (1036.4)

BL (cm)

F

47.5 (4.0)

47.5 (4.0)

47.1 (3.6)

 

M

50.5 (2.1)

50.8 (2.1)

49.9 (2.3)

TC (cm)

F

39.6 (2.4)

36.2 (4.4)

34.0 (3.2)

 

M

41.3 (3.1)

38.0 (3.8)

35.6 (3.8)

PC (cm)

F

42.3 (3.3)

38.5 (4.9)

36.3 (4.1)

 

M

46.5 (4.9)

39.8 (5.2)

36.9 (4.9)

RTL (cm)

F

16.9 (1.8)

16.9 (1.1)

16.7 (1.3)

 

M

17.8 (1.7)

18.2 (1.6)

17.3 (1.8)

RPL (cm)

F

18.6 (1.8)

19.0 (1.6)

18.8 (1.6)

 

M

19.3 (1.6)

19.7 (1.4)

19.3 (1.0)

SFLT (cm)

F

0.065 (0.02)

0.048 (0.01)

0.023 (0.01)

 

M

0.071 (0.03)

0.048 (0.02)

0.020 (0.02)

R (Ω)

F

176.9 (14.3)

180.7 (13.2)

185.8 (21.5)

 

M

167.3 (17.4)

162.9 (16.0)

182.1 (23.6)

Xc (Ω)

F

27.0 (3.5)

28.2 (3.1)

28.3 (4.0)

 

M

28.5 (2.0)

23.3 (6.2)

24.9 (4.3)

  1. *F (n = 8) and *M (n = 8); 1 according to Laflamme (1997).
  2. BW, body weight; BL, body length; TC, thoracic circumference; PC, pelvic circumference; RTL, right thoracic limb length; RTL, right pelvic limb length; R, resistance; Xc, reactance; SFLT, subcutaneous fat layer thickness.