Table 5.
Pearson and Spearman correlations for each shortened test duration and the full 70-d test period for DMI (kg)
| Day of test | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Group1 | Direction2 | Analysis | 7 | 14 | 21 | 28 | 35 | 42 | 49 | 56 | 63 | 70 |
| 1 | Forward | Pearson | 0.709 | 0.777 | 0.855 | 0.902 | 0.941 | 0.963 | 0.983 | 0.991 | 0.997 | 1.0 |
| Spearman | 0.747 | 0.809 | 0.866 | 0.903 | 0.940 | 0.959 | 0.979 | 0.988 | 0.997 | 1.0 | ||
| Reverse | Pearson | 0.699 | 0.781 | 0.852 | 0.868 | 0.893 | 0.914 | 0.947 | 0.968 | 0.992 | 1.0 | |
| Spearman | 0.734 | 0.793 | 0.856 | 0.879 | 0.905 | 0.918 | 0.947 | 0.966 | 0.990 | 1.0 | ||
| 2 | Forward | Pearson | 0.782 | 0.828 | 0.883 | 0.921 | 0.951 | 0.967 | 0.983 | 0.990 | 0.998 | 1.0 |
| Spearman | 0.812 | 0.848 | 0.899 | 0.922 | 0.953 | 0.966 | 0.981 | 0.989 | 0.997 | 1.0 | ||
| Reverse | Pearson | 0.821 | 0.840 | 0.891 | 0.913 | 0.937 | 0.953 | 0.972 | 0.985 | 0.997 | 1.0 | |
| Spearman | 0.839 | 0.840 | 0.886 | 0.902 | 0.928 | 0.945 | 0.972 | 0.986 | 0.996 | 1.0 | ||
| 3 | Forward | Pearson | 0.832 | 0.892 | 0.916 | 0.935 | 0.958 | 0.975 | 0.986 | 0.993 | 0.998 | 1.0 |
| Spearman | 0.815 | 0.894 | 0.915 | 0.924 | 0.950 | 0.969 | 0.984 | 0.992 | 0.998 | 1.0 | ||
| Reverse | Pearson | 0.805 | 0.813 | 0.869 | 0.906 | 0.915 | 0.938 | 0.968 | 0.986 | 0.996 | 1.0 | |
| Spearman | 0.812 | 0.825 | 0.877 | 0.909 | 0.917 | 0.938 | 0.966 | 0.982 | 0.994 | 1.0 | ||
| 4 | Forward | Pearson | 0.797 | 0.868 | 0.899 | 0.929 | 0.955 | 0.969 | 0.985 | 0.992 | 0.998 | 1.0 |
| Spearman | 0.747 | 0.842 | 0.885 | 0.924 | 0.952 | 0.965 | 0.984 | 0.992 | 0.997 | 1.0 | ||
| Reverse | Pearson | 0.810 | 0.872 | 0.899 | 0.927 | 0.955 | 0.961 | 0.977 | 0.987 | 0.996 | 1.0 | |
| Spearman | 0.841 | 0.894 | 0.919 | 0.940 | 0.961 | 0.967 | 0.976 | 0.987 | 0.994 | 1.0 | ||
| 5 | Forward | Pearson | 0.770 | 0.840 | 0.881 | 0.908 | 0.942 | 0.966 | 0.981 | 0.988 | 0.997 | 1.0 |
| Spearman | 0.734 | 0.826 | 0.856 | 0.890 | 0.927 | 0.951 | 0.972 | 0.982 | 0.995 | 1.0 | ||
| Reverse | Pearson | 0.786 | 0.867 | 0.923 | 0.945 | 0.955 | 0.966 | 0.982 | 0.991 | 0.997 | 1.0 | |
| Spearman | 0.793 | 0.889 | 0.922 | 0.941 | 0.955 | 0.960 | 0.976 | 0.988 | 0.996 | 1.0 | ||
| Slick | Forward | Pearson | 0.721 | 0.803 | 0.863 | 0.905 | 0.941 | 0.967 | 0.983 | 0.991 | 0.998 | 1.0 |
| Spearman | 0.736 | 0.813 | 0.865 | 0.901 | 0.938 | 0.966 | 0.982 | 0.990 | 0.997 | 1.0 | ||
| Reverse | Pearson | 0.776 | 0.809 | 0.872 | 0.896 | 0.905 | 0.928 | 0.957 | 0.977 | 0.994 | 1.0 | |
| Spearman | 0.794 | 0.818 | 0.876 | 0.897 | 0.907 | 0.929 | 0.958 | 0.976 | 0.993 | 1.0 | ||
| Adlib | Forward | Pearson | 0.584 | 0.664 | 0.831 | 0.886 | 0.931 | 0.952 | 0.975 | 0.988 | 0.997 | 1.0 |
| Spearman | 0.536 | 0.622 | 0.797 | 0.860 | 0.916 | 0.938 | 0.964 | 0.982 | 0.995 | 1.0 | ||
| Reverse | Pearson | 0.832 | 0.890 | 0.919 | 0.940 | 0.956 | 0.966 | 0.979 | 0.985 | 0.996 | 1.0 | |
| Spearman | 0.835 | 0.892 | 0908 | 0.929 | 0.947 | 0.958 | 0.973 | 0.980 | 0.994 | 1.0 | ||
| All | Forward | Pearson | 0.750 | 0.810 | 0.878 | 0.915 | 0.947 | 0.968 | 0.983 | 0.991 | 0.998 | 1.0 |
| Spearman | 0.745 | 0.806 | 0.876 | 0.911 | 0.946 | 0.966 | 0.981 | 0.991 | 0.997 | 1.0 | ||
| Reverse | Pearson | 0.803 | 0.856 | 0.893 | 0.919 | 0.935 | 0.949 | 0.968 | 0.981 | 0.995 | 1.0 | |
| Spearman | 0.806 | 0.858 | 0.889 | 0.916 | 0.931 | 0.947 | 0.967 | 0.978 | 0.994 | 1.0 | ||
1Slick-cattle managed with slick bunk feed protocol, adlib-cattle had access to ad libitum feed, all–all groups were combined.
2Forward-records were split into the first F7, F14, F21, F28, F35, F42, F49, F56, F63, and F70 d of the test and reverse-records were split into the last R7, R14, R21, R28, R35, R42, R49, R56, R63, and R70 d of the test.