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 5.59
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -2.59 -0.375 0.97
Prot (kg) -5.40 -0.441 2.38
Fertility Sub Index 4.21
Calving Interval (days) -1.67 -1.459 2.44
Survival (%) 1.59 1.117 1.78
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index -1.71
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 8.49 -0.432 -3.67
Maintenance Sub Index Maint. Sub Index 7.23
Live WT (kg) -23.60 -0.307 7.23
Total Carbon Sub Index 16.12

* Based on an €80/tonne carbon price