View Full Table | Close Full ViewTable 1.

Diet composition

 
Study 1
Study 2
Item Backgrounding (HF)1 Finishing (HG)2 Backgrounding (HF)1
Ingredient (% of the dietary DM)
    Barley silage 60 9 60
    Barley grain, dry rolled 30 81 35
    Canola meal 3.3 3.3 0.48
    Beet pulp 5.0 5.0
    Ground barley 2.73
    Calcium carbonate 1.20 1.20 1.29
    Urea 0.25 0.25 0.10
    Salt 0.16 0.16 0.16
    Dried molasses 0.01 0.01 0.13
    Mineral and vitamin premix3 0.05 0.05 0.05
    Melengestrol acetate premix4 0.03 0.03
    Flavoring agent5 0.003 0.003
    Vitamin E premix6 0.003
    Canola oil 0.05
1HF = high forage diet.
2HG = high grain diet.
3Supplied per kilogram of dietary DM: 51 mg of Zn, 24 mg of Mn, 13 mg of Cu, 0.6 mg of I, 0.2 mg of Co, 0.25 mg of Se, 2,200 IU of vitamin A, 275 IU of vitamin D, and 10 IU of vitamin E.
4Contained 220 mg/kg.
5Anise 422 powder containing ground cumin, fennel, fenugreek, silicon dioxide, and wheat bran (Canadian Bio-Systems Inc., Calgary, AB, Canada).
6Contained 500,000 IU/kg.



View Full Table | Close Full ViewTable 2.

Pearson’s correlation coefficient, concordance correlation coefficient, location, and scale shift between Hi-Tag1 rumination collar and visual observations of rumination by beef cattle as affected by housing system and diet

 
Housing Diet r P-value2 CCC3 P-value4 Location shift Scale shift
Tie-stall High forage 0.46 0.001 0.24 ± 0.07 0.001 1.02 2.35
High grain 0.39 <0.001 0.29 ± 0.08 <0.001 0.67 1.63
Feedlot High forage 0.08 0.595 0.07 ± 0.14 0.280 0.33 1.45
Overall 0.41 <0.001 0.30 ± 0.05 <0.001 0.65 1.82
1SCR Engineers Ltd., Netanya, Israel.
2P-value for Pearson’s correlation coefficient.
3CCC = concordance correlation coefficient.
4P-value for concordance correlation coefficient.



View Full Table | Close Full ViewTable 3.

Pearson’s correlation coefficient between the differences in rumination minutes estimated by visual observation and Hi-Tag1 rumination collars and the percent of observation periods that cattle spent with their head in the raised position as affected by housing system and diet

 
Housing Diet r P-value
Tie-stall High forage 0.34 0.22
High grain –0.14 0.62
Feedlot High forage 0.13 0.63
Overall –0.02 0.90
1SCR Engineers Ltd., Netanya, Israel.
2P-value for significance of Pearson’s correlation coefficient.