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 5.13
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -3.44 -0.375 1.29
Prot (kg) -4.01 -0.441 1.77
Fertility Sub Index 7.84
Calving Interval (days) -4.66 -1.459 6.80
Survival (%) 0.93 1.117 1.04
Calving Sub Index 0.85
Gestation Length (days) -0.93 -0.919 0.85
Beef Sub Index 1.88
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 2.86 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 18.67

* Based on an €80/tonne carbon price