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Table 7 Trace mineral excretion and retention of sheep fed trace mineral-fortified microbial culture (TMC) 1)

From: Effect of feeding mixed microbial culture fortified with trace minerals on ruminal fermentation, nutrient digestibility, nitrogen and trace mineral balance in Sheep

Item

Control

TMC added

SE

p value

 

--------- mg/d --------

Fecal excretion

 Zn

38.7b

62.3a

2.1

0.0004

 Cu

10.3b

19.3a

0.3

0.0001

 Co

0.0b

0.1a

0.1

0.0412

 Fe

352.7b

446.0a

24.7

0.0195

 Mn

84.0b

89.3a

1.4

0.0180

 Mo

0.2

0.2

0.1

0.9818

Urinary excretion

 Zn

nd2)

nd

-

-

 Cu

0.09

0.05

0.10

0.6792

 Co

nd

nd

-

-

 Fe

nd

nd

-

-

 Mn

nd

nd

-

-

 Mo

0.09

0.05

0.03

0.2302

Retention

 Zn

8.7b

14.9a

2.0

0.0363

 Cu

2.2b

3.9a

0.3

0.0048

 Co

0.011

0.015

0.020

0.9900

 Fe

120.8

138.0

24.7

0.5264

 Mn

-1.2

-0.4

1.4

0.5867

 Mo

-0.036

-0.007

0.057

0.4903

  1. 1) On a dry matter basis. 2) nd = not detected
  2. a,bMeans with different superscripts within the same row are significantly different (p < 0.05)