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 1.16
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -1.32 -0.375 0.49
Prot (kg) -0.97 -0.441 0.43
Fertility Sub Index 5.83
Calving Interval (days) -2.72 -1.459 3.97
Survival (%) 1.67 1.117 1.87
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.51
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 4.75
Live WT (kg) -15.50 -0.307 4.75
Total Carbon Sub Index 17.06

* Based on an €80/tonne carbon price