Arkansas - Agricultural Communication Services - University of ...

AAES Research Series 488
Table 4. Effects of monensin and lasalocid on tissue mineral concentrations
(µg/g) of wether lambs fed bermudagrass hay (DM basis).
Treatment
Item Initial Control Monensin Lasalocid SEM Significance a
Phosphorus
Heart 10,475 10,631 10,544 10,599 133
Liver 12,393 13,314 12,906 13,403 233 H **
Kidney 12,283 12,743 12,484 12,701 111 H *
Spleen 13,821 12,901 14,120 13,615 341 M *
Muscle 9,290 9,370 9,950 9,420 140 M * , H †
Rumen 6,067 6,515 6,006 6,793 208
Bone b 107,030 111,439 100,970 106,546 3,232 M*
Calcium
Heart 293 294 327 298 13.4
Liver 212 241 237 215 12.7
Kidney 698 939 999 820 183
Spleen 300 289 258 266 13.4
Muscle 422 376 489 412 83
Rumen 696 598 591 485 45 L † , H *
Bone b 230,051 242,561 203,878 223,889 12,046 M *
Magnesium
Heart 1,080 1,097 1,166 1,081 19.2 M *
Liver 729 770 807 771 18.6 H *
Kidney 939 997 996 981 23.4 H †
Spleen 961 921 987 966 18.9 M *
Muscle 1,095 1,054 1,144 1,064 18.8 M **
Rumen 713 640 602 715 51
Bone b 4,497 4,633 3,905 4,308 237 M †
a H= initially harvested vs. dietary treatments, M= monensin vs. control, L= lasalocid vs. control.
b Fat free basis
** P< 0.01
* P< 0.05
† P< 0.10
149