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 -5.57
Milk (kg) 69.00 -0.014 -0.97
Fat (kg) 6.43 -0.375 -2.41
Prot (kg) 4.98 -0.441 -2.20
Fertility Sub Index -1.26
Calving Interval (days) 0.54 -1.459 -0.79
Survival (%) -0.42 1.117 -0.47
Calving Sub Index 2.13
Gestation Length (days) -2.32 -0.919 2.13
Beef Sub Index -1.86
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 6.62 -0.432 -2.86
Maintenance Sub Index Maint. Sub Index -2.05
Live WT (kg) 6.70 -0.307 -2.05
Total Carbon Sub Index -8.61

* Based on an €80/tonne carbon price