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 -7.96
Milk (kg) 5.00 -0.014 -0.07
Fat (kg) 8.47 -0.375 -3.17
Prot (kg) 10.69 -0.441 -4.72
Fertility Sub Index -1.99
Calving Interval (days) 1.04 -1.459 -1.52
Survival (%) -0.42 1.117 -0.47
Calving Sub Index 0.86
Gestation Length (days) -0.94 -0.919 0.86
Beef Sub Index -3.54
Carcass Weight (kg) 3.60 -0.528 -1.90
Age of Slaughter (days) 3.81 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index -2.79
Live WT (kg) 9.10 -0.307 -2.79
Total Carbon Sub Index -15.42

* Based on an €80/tonne carbon price