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 -9.76
Milk (kg) 109.00 -0.014 -1.53
Fat (kg) 11.26 -0.375 -4.22
Prot (kg) 9.11 -0.441 -4.02
Fertility Sub Index -2.54
Calving Interval (days) 1.02 -1.459 -1.49
Survival (%) -0.94 1.117 -1.05
Calving Sub Index 2.45
Gestation Length (days) -2.67 -0.919 2.45
Beef Sub Index -3.35
Carcass Weight (kg) 3.70 -0.528 -1.95
Age of Slaughter (days) 3.23 -0.432 -1.39
Maintenance Sub Index Maint. Sub Index -3.59
Live WT (kg) 11.70 -0.307 -3.59
Total Carbon Sub Index -16.77

* Based on an €80/tonne carbon price