Table 4. Comparison of Acetamide Concentration Immediately after Reducing AFEX Pellet Intake and after Eliminating AFEX Pellet Intake.

	2 days after 50% reduction of pellets in diet		7 days after removal of pellets from the diet
	conc (ppm)	% reductiona	conc (ppm)	% reductiona	% of baselineb
Trial 1 low	1.41 ± 0.60c	78.5%	0.34 ± 0.12	94.7%	98.0%
Trial 1 high	1.34 ± 0.46	82.0%	0.32 ± 0.10	95.7%	95.8%
Trial 2 low	1.23 ± 0.23	65.6%	0.15 ± 0.03	95.7%	58.2%
Trial 2 high	1.83 ± 0.95	64.1%	0.12 ± 0.02	97.1%	51.9%

^aComparison of acetamide concentration to the average concentration in the milk of animals over the last 2 weeks of treatment.

^bComparison of acetamide concentration to the average concentration in the milk of animals prior to introduction of AFEX pellets.

^cAll values listed are listed as mean ± standard deviation.