Table 2 Sanitary status, means of sperm parameters and semen quality of Brahman bulls (n = 10) at the end of the study (30 days).

From: Exploration of semen quality analyzed by casa-mot systems of brahman bulls infected with BLV and BHV-1

Parameters

Bull number

4461

4981

4992

5182

5442

5452

6002

616,6052

605,6063

606,6163

TM (%)

75.0

74.0

83.0

74.5

76.0

35.0

85.0

92.7

93.5

80.5

PM (%)

57.0

46.0

58.0

47.0

43.5

20.0

51.0

58.7

69.5

72.5

VCL (μm/s)

166.0

169.0

178.0

144.5

146.5

100.5

174.0

180.5

137.5

86.0

VSL (μm/s)

83.0

76.0

74.0

81.5

59.0

52.5

71.0

86.7

58.0

56.0

VAP (μm/s)

96.0

99.0

93.0

112.0

84.5

66.0

98.0

113.2

71.0

60.5

ALH (μm)

5.0

4.0

5.0

3.0

4.0

3.0

4.5

5.0

4.0

2.0

LIN (%)

49.5

44.0

41.0

56.0

40.5

52.0

40.5

47.7

42.5

65.0

STR (%)

85.5

76.0

80.0

72.0

70.0

79.0

72.0

76.2

81.5

92.0

WOB (%)

57.5

58.0

52.0

77.0

58.0

65.5

56.0

62.5

51.5

70.0

BCF (Hz)

11.0

12.0

11.0

8.0

11.0

7.0

12.0

10.5

11.0

11.0

Normal Morphology (%)

76.2

87.7

96.2

78.0

77.0

76.6

93.8

92.0

81.2

91.3

Viability (%)

28.2

78.0

75.1

35.8

49.0

4.0

92.7

93.8

84.9

86.5

Semen quality

U

D

S

D

D

U

S

S

S

D

  1. PM progressive motility, TM total motility, VCL curvilinear velocity, VSL straight-line velocity, VAP average path velocity, ALH amplitude of lateral head displacement, LIN linearity of forward progression, STR straightness, WOB wobble, BCF beat-cross frequency, S satisfactory, D doubtful; U unsatisfactory.
  2. 1Seropositive-infected bull with BLV and BHV-1.
  3. 2Seropositive-latently infected bull with BHV-1.
  4. 3Negative bull to BLV and BHV-1.