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 1.38
Milk (kg) -28.00 -0.014 0.39
Fat (kg) -0.94 -0.375 0.35
Prot (kg) -1.43 -0.441 0.63
Fertility Sub Index 3.97
Calving Interval (days) -2.26 -1.459 3.30
Survival (%) 0.60 1.117 0.67
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index 1.34
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.29 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 9.95

* Based on an €80/tonne carbon price