Transcript Slide 1

Purina Mills
Wind and Rain® All Season 4
Mineral Tub Availa® 4
Feedyard Receiving Data
Land O’Lakes Purina Feed
Wind and Rain® All Season 4
Mineral Tub Availa® 4
Rangeland® Availa® 4 Mineral Tub
Feedyard Receiving Data
Texas A&M Ranch To Rail
9 Year Summary
Daily Gain vs. Times Treated for
Clinical Respiratory Disease
Days Fed
0
1
>1
Van Donkerdoed 1993
28
2.75
2.62
1.54
Stoval-2000
42
2.32
2.17
1.83
Morck-1993
90
3.43
3.04
2.69
Gardner-1999
150
3.37
3.28
2.98
Gardner, NCBA Cattlemens College, 2000
BRD Risk For Non-Weaned vs. Weaned
Calves (1995-1997)
Weaning Status
Odds Ratiob
Weaned
1.0
Non-weaned
3.4c
a
Calves in two programs: Tri-County Steer Carcass Futurity and Midcrest Area Cattle Evaluation
Program
b Final model adjusts odd ratios for effect of age, center, waning status and vaccine type
c Odds that non-weaned calves will experience BRD compared with weaned calves (P < 0.01)
Faber et al. 1999 Beef Research Report – Iowa State University. A.S. Leaflet R1648.
Effect Of Zinc Depletion On Mean Skin Swelling
Response To Phytohemagglutinin (PHA)
Zinc Depletion/Repletion – Trial 1
Control –40 ppm Zn, ZnSO4
No Added Zn, 17 ppm Zn
Time After PHA Injection, h
* Average of three non-supplemented treatments; Animals were treated similar prior to and during 21 d depletion phase
yz Means at single time points lacking a common superscript letter differ (P<.05)
Engle et al., 1997 JAS 75:3074
948101-A
BR - 16
FEEDLOT INFORMATION
Trace Mineral Supplementationab
Affected Weaned Calf Mineral Status
• Free-choice minerals
fed 90 d prior to
weaning
• Liver mineral levels in
weaned calves were
different
• How did this impact
immunity in the
feedlot?
a
b
xyz
2X sulfate provided 947 mg Zn, 535 mg Mn, 265 mg Cu and 76 mg Co
4-Plex®: ZINPRO® zinc methionine, MANPRO® manganese methionine, CuPLEX® copper lysine
and COPRO® cobalt glucoheptonate provided 482 mg Zn, 266 mg Mn, 166 mg Cu and 33 mg Co
on cow/calf pair/d basis
Bars lacking a common superscript letter differ (P < 0.05)
Grotelueschen et al., 2001. Bovine Practitioner. Vol 35, No. 1:73-84
Effect Of Cow/Calf Supplementation On
Sick Incidence During Feedlot Finishing
Control
2X Sulfatea
4-Plex®bc
a 2X sulfate provided 947 mg Zn, 535 mg Mn, 265 mg Cu and 76 mg Co on a cow/calf pair/d basis
b
4-Plex:
ZINPRO® zinc methionine, MANPRO® manganese methionine,
CuPLEX® copper lysine and COPRO® cobalt glucoheptonate
c
Provided 482 mg Zn, 266 mg Mn, 166 mg Cu and 33 mg Co on a cow/calf pair/d basis
yz
Within a time period, means lacking a common superscript letter differ, P < 0.05
Grotelueschen et al., 2001. Bovine Practitioner. Vol 35, No. 1:73-84
BCC - 37
Effect Of Cow/Calf Supplementation On
Retreats During Feedlot Finishing
Control
2X Sulfatea
4-Plex®bc
a 2X sulfate provided 947 mg Zn, 535 mg Mn, 265 mg Cu and 76 mg Co on a cow/calf pair/d basis
b
4-Plex:
ZINPRO® zinc methionine, MANPRO® manganese methionine,
CuPLEX® copper lysine and COPRO® cobalt glucoheptonate
c
Provided 482 mg Zn, 266 mg Mn, 166 mg Cu and 33 mg Co on a cow/calf pair/d basis
yz
Within a time period, means lacking a common superscript letter differ, P < 0.01
Grotelueschen et al., 2001. Bovine Practitioner. Vol 35, No. 1:73-84
BCC - 37.1