Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 14.79
Milk (kg) -319.00 -0.014 4.47
Fat (kg) -12.18 -0.375 4.56
Prot (kg) -13.06 -0.441 5.76
Fertility Sub Index 4.28
Calving Interval (days) -2.02 -1.459 2.95
Survival (%) 1.19 1.117 1.33
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.60
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -2.12 -0.432 0.92
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 31.86

* Based on an €80/tonne carbon price