Table 1 Morphometric, densitometric and mechanical properties of mandible in 5-month-old Polish Merino sheep

Bone weight (g)

-

-

116.3 ± 5.6

Bone length (mm)

218.9 ± 2.8

218.6 ± 2.9

218.7 ± 2.9^a

Total bone volume (cm³)

-

-

71.7 ± 3.3

Volumetric bone mineral density of the cortical bone (g/cm³)

2.457 ± 0.027

2.446 ± 0.025

2.451 ± 0.024^a

Calcium hydroxyapatite density of the cortical bone (g/ml)

1043 ± 26

1065 ± 35

1054 ± 26^a

Mean volumetric bone mineral density (g/cm³)

-

-

1.864 ± 0.017

Cross-sectional area (mm²)

51.7 ± 1.9

56.0 ± 2.8

53.9 ± 2.3^a

Second moment of inertia (mm⁴)

254 ± 21

276 ± 22

265 ± 21^a

Mean relative wall thickness

0.756 ± 0.020

0.843 ± 0.025

0.797 ± 0.017^a

Cortical index

42.9 ± 0.6

45.6 ± 0.7

44.3 ± 0.5^a

Maximum elastic strength (N)

801 ± 31

844 ± 69

823 ± 42^a

Ultimate strength (N)

1121 ± 105

1312 ± 135

1216 ± 106^a