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 3.53
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -0.28 -0.375 0.10
Prot (kg) -2.36 -0.441 1.04
Fertility Sub Index 5.66
Calving Interval (days) -2.81 -1.459 4.10
Survival (%) 1.40 1.117 1.56
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.00
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 4.29 -0.432 -1.85
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 18.56

* Based on an €80/tonne carbon price