Table 1 Concentration of individual acylcarnitine species (nM) in follicular fluid obtained from preovulatory follicles of normal-weight (NW, n = 6), obese (OB, n = 7) and obese diet supplemented (OBD, n = 6) mares after ≥ 6 weeks of supplementation.

	NW	OB	OBD
Short-chain acylcarnitines
Acetyl (C2)	25.48 ± 1.91^ac	20.37 ± 1.00^ad	47.41 ± 2.67^b
Propionyl (C3)	3.76 ± 0.71	2.35 ± 0.25	6.97 ± 0.75
Succinyl (C4-DC)	10.89 ± 1.96	11.39 ± 1.84	10.18 ± 1.78
Hydroxybutyryl (C4-OH)	1.93 ± 0.36	1.23 ± 0.30	2.48 ± 0.66
Butanoyl (C4)	3.55 ± 0.70^ab	2.44 ± 0.53^a	6.46 ± 1.00^b
Hydroxyisovaleryl (C5-OH)	0.18 ± 0.02	0.18 ± 0.03	0.27 ± 0.05
Isovaleryl (C5)	1.62 ± 0.15^a	1.12 ± 0.12^a	2.78 ± 0.11^b
Medium-chain acylcarnitines
Adipyl (C6-DC)	0.27 ± 0.04	0.26 ± 0.05	0.35 ± 0.03
Hexanoyl (C6)	0.08 ± 0.01	0.06 ± 0.01	0.12 ± 0.02
Decanoyl (C10)	0.02 ± 0.001	0.02 ± 0.01	0.03 ± 0.003
Dodecanoyl (C12)	0.02 ± 0.002	0.02 ± 0.003	0.02 ± 0.002
Long-chain acylcarnitines
Tetradecenoyl (C14:1)	0.05 ± 0.01	0.04 ± 0.01	0.07 ± 0.01
Tetradecanoyl (C14)	0.02 ± 0.02	0.02 ± 0.003	0.03 ± 0.003
Hexadecenoyl (C16:1)	0.07 ± 0.01	0.07 ± 0.01	0.09 ± 0.02
Palmitoyl (C16)	0.17 ± 0.03	0.15 ± 0.02	0.16 ± 0.02
Linoleoyl (C18:2)	0.12 ± 0.03^a	0.25 ± 0.02^ab	0.37 ± 0.04^b
Octadecenoyl (C18:1)	0.43 ± 0.07	0.50 ± 0.07	0.50 ± 0.05

Results are presented as mean ± SEM. Different superscripts within the same row indicate difference (^abP < 0.05) or tendency for difference (^cdP < 0.1) between groups using one-way ANOVA with post-hoc Tukey’s multiple comparison tests.

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