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 -1.31
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) 2.09 -0.375 -0.78
Prot (kg) 1.09 -0.441 -0.48
Fertility Sub Index 4.12
Calving Interval (days) -2.07 -1.459 3.02
Survival (%) 0.98 1.117 1.09
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index -0.12
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.48 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 11.49

* Based on an €80/tonne carbon price