Table 8 Sperm kinematics variables (mean ± SEM) of the four ejaculate subpopulations (SPs) in different sanitary status; defined from bull semen samples.

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

SPs	SP1	SP2	SP3	SP4
Sanitary status 1 (BLV⁺/BHV-1⁺)
VCL	61.43 ± 1.082^aw	176.768 ± 0.781^ax	90.018 ± 0.827^ay	173.654 ± 0.598^az
VSL	16.572 ± 0.729^abw	55.059 ± 0.526^ax	54.662 ± 0.557^ax	111.109 ± 0.403^ay
VAP	28.372 ± 0.730^aw	92.891 ± 0.526^ax	61.752 ± 0.558^ay	116.791 ± 0.403^az
LIN	27.819 ± 0.486^aw	31.396 ± 0.351^ax	61.603 ± 0.371^ay	65.112 ± 0.269^az
STR	60.552 ± 0.651^aw	61.114 ± 0.469^aw	88.192 ± 0.497^ax	93.216 ± 0.360^ay
WOB	46.874 ± 0.441^aw	52.871 ± 0.318^ax	69.410 ± 0.337^ay	68.439 ± 0.244^az
ALH	2.691 ± 0.043^aw	5.994 ± 0.031^ax	2.961 ± 0.033^ay	5.032 ± 0.024^az
BCF	6.228 ± 0.135^aw	10.594 ± 0.097^ax	10.829 ± 0.103^ax	12.185 ± 0.074^ay
Sanitary status 2 (BLV ⁻/BHV-1⁺)
VCL	62.168 ± 0.632^aw	183.301 ± 0.446^bx	87.445 ± 0.595^by	177.587 ± 0.426^bz
VSL	16.454 ± 0.426^aw	48.754 ± 0.300^bx	53.582 ± 0.401^ay	115.465 ± 0.287^bz
VAP	27.500 ± 0.426^aw	99.661 ± 0.300^bx	60.945 ± 0.401^ay	124.767 ± 0.288^bz
LIN	27.697 ± 0.284^aw	26.813 ± 0.200^bw	62.543 ± 0.267^bx	66.245 ± 0.192^by
STR	60.866 ± 0.380^aw	51.170 ± 0.268^bx	87.414 ± 0.358^ay	91.212 ± 0.256^bz
WOB	45.366 ± 0.258^bw	54.677 ± 0.182^bx	70.722 ± 0.242^by	71.488 ± 0.174^bz
ALH	2.763 ± 0.025^aw	6.178 ± 0.018^bx	2.789 ± 0.024^bw	5.035 ± 0.017^ay
BCF	6.225 ± 0.079^aw	10.763 ± 0.055^ax	10.865 ± 0.074^ax	11.286 ± 0.053^by
Sanitary status 3 (BLV⁻/BHV-1⁻)
VCL	68.892 ± 1.282^bw	186.187 ± 0.735^cx	78.468 ± 0.671^cy	177.416 ± 0.715^bz
VSL	18.766 ± 0.864^bw	58.358 ± 0.496^cx	48.399 ± 0.452^by	110.631 ± 0.482^az
VAP	34.382 ± 0.864^bw	91.711 ± 0.496^ax	53.002 ± 0.452^by	114.834 ± 0.482^cz
LIN	28.629 ± 0.576^aw	31.506 ± 0.330^ax	62.383 ± 0.301^aby	63.194 ± 0.321^cy
STR	57.139 ± 0.771^bw	65.398 ± 0.442^cx	90.249 ± 0.403^by	94.404 ± 0.430^cz
WOB	50.377 ± 0.523^cw	49.820 ± 0.300^cw	68.471 ± 0.273^cx	65.537 ± 0.292^cy
ALH	2.758 ± 0.051^aw	6.561 ± 0.029^cx	2.428 ± 0.027^cy	5.276 ± 0.029^bz
BCF	7.958 ± 0.159^bw	9.749 ± 0.091^bx	12.609 ± 0.083^by	12.140 ± 0.089^az

SEM standard error of the mean. n: 25 525 spermatozoa analyzed. VCL (μm/s) curvilinear velocity, VSL (μm/s) straight-line velocity; VAP (μm/s) average path velocity, LIN (%) linearity, STR (%) straightness, WOB (%) wobble, ALH (μm) amplitude of lateral head displacement, BCF (Hz) beat-cross frequency.
^a–^cValues with different superscripts differ significantly between sanitary status (SS), P < 0.05.
^w–^zValues with different superscripts differ significantly between sperm subpopulations; P < 0.05.

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Table 8 Sperm kinematics variables (mean ± SEM) of the four ejaculate subpopulations (SPs) in different sanitary status; defined from bull semen samples.

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