Clays as dietary supplements for swine: A review

Table 1 Effect of clay supplementation on the performance of weanling pigs

Items	Control	Tylosin	Clay (3 g/kg)¹	Clay (6 g/kg)¹	SEM
Day 0 to 7
Weight gain, g/day	258	295	288	257	15
Feed intake, g/day	391	395	399	405	24
Feed efficiency	0.66^b	0.75^a	0.72^a	0.64^b	0.02
Day 7 to 21
Weight gain, g/day	429	458	466	432	20
Feed intake, g/day	554	546	591	560	42
Feed efficiency	0.78	0.84	0.80	0.77	0.05
Day 21 to 35
Weight gain, g/day	526	580	567	517	28
Feed intake, g/day	935	913	944	916	37
Feed efficiency	0.56^b	0.64^a	0.60^a,b	0.56^b	0.03
Day 0 to 35
Weight gain, g/day	434	474	471	431	24
Feed intake, g/day	674	663	694	672	35
Feed efficiency	0.64^b	0.72^a	0.68^a,b	0.64^b	0.03

Yan et al. [28]
^a,bValues significant at P<0.05 level
¹Clay comprised of 72.6 % SiO_2, 8.18 % AL₂O₃, 9.42 % Fe₂O₃, 5.25 % K₂O and minor amounts of other minerals

ISSN: 2049-1891