Research Article

Effect of Osmolarity and Density of Colloid Formulations on the Outcome of SLC-Selection of Stallion Spermatozoa

Table 2

Effect of osmolarity of colloid on normal sperm morphology and %DNA fragmentation index (mean ± SD) ( 𝑛 = 1 2 ).

ParameterControlSLC normalSLC highDGC normalDGC high

Normal morphology (%) 6 8 . 2 ± 1 4 . 8 a 7 8 ± 7 . 9 a b 8 2 . 8 ± 9 . 0 a b 7 8 ± 8 . 2 a b 7 9 . 4 ± 8 . 1 a
%DFI 1 2 . 4 ± 4 . 4 a 6 . 4 ± 5 . 4 a 5 . 9 ± 4 . 2 a 5 . 3 ± 3 . 0 a 5 . 0 ± 4 . 3 a

a Control significantly different to other treatments 𝑃 < . 0 0 1 ; b SLC high > SLC normal and SLC high > DGC normal ( 𝑃 < . 0 5 for both). SLC: single layer centrifugation, DGC: gradient density centrifugation.