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 2.17
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -1.16 -0.375 0.43
Prot (kg) -2.72 -0.441 1.20
Fertility Sub Index 6.57
Calving Interval (days) -3.25 -1.459 4.74
Survival (%) 1.64 1.117 1.83
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.74
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.49 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 19.16

* Based on an €80/tonne carbon price