Table 6.

Mean change in gait variables of interest including SL and ROM in horses receiving a pelleted concentrate and supplemented with either 100 g of an inactive placebo top-dressed once daily (CON), or an active-ingredient oral joint supplement (TRT)

	Treatmenta
Item	TRT	CON	SEM	P-valueb
ROM, degrees, Knee-Walk
Day 0	54.53	55.07	3.09	0.87
Day 14	56.40	58.27	3.05	0.54
Day 28	67.90	68.63	3.09	0.98
∆ 28–0	13.37	13.93	2.56	0.88
ROM, degrees, Hock-Walk
Day 0	29.40	31.67	2.22	0.38
Day 14	30.97	28.41	2.15	0.30
Day 28	46.87e	39.70f	2.22	<0.01
∆ 28–0	17.47e	7.55f	2.92	0.03
SL, cm, Walk
Day 0	139.80	140.57	6.43	0.91
Day 14	141.64	143.66	6.19	0.57
Day 28	188.60	181.81	6.43	0.30
∆ 28–0	48.81	41.25	6.12	0.38
ROM, degrees, Knee-Trotc
Day 0	68.10	67.67	2.90	0.88
Day 14	69.00	69.00	2.70	0.82
Day 28	67.83	70.22	2.90	0.42
∆ 28–0	−0.27	2.56	2.08	0.34
ROM, degrees, Hock-Trotd
Day 0	42.30	39.78	2.20	0.26
Day 14	44.40	42.59	2.23	0.84
Day 28	46.87e	42.93f	2.20	0.08
∆ 28–0	4.57	3.15	2.10	0.63
SL, cm, Trot
Day 0	189.24	191.07	8.23	0.83
Day 14	193.42	183.54	7.88	0.33
Day 28	187.72	192.89	8.23	0.53
∆ 28–0	−1.52	1.82	6.91	0.73

^aTreatments consisted of either 100 g of an inactive placebo (CON) top-dressed once daily, or an active-ingredient oral joint supplement containing glucosamine, chondroitin sulfate, hyaluronic acid, methylsulfonylmethane, turmeric, resveratrol, collagen, silica, and boron (TRT).

^bMain effect of dietary treatment.

^cTRT (n = 10); CON (n = 9).

^dTRT (n = 9); CON (n = 10).

^e,f Within row, superscripts indicate tendency toward a dietary treatment difference P ≤ 0.10.