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 4.76
Milk (kg) -70.00 -0.014 0.98
Fat (kg) -3.72 -0.375 1.39
Prot (kg) -5.40 -0.441 2.38
Fertility Sub Index 7.82
Calving Interval (days) -4.62 -1.459 6.74
Survival (%) 0.97 1.117 1.08
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 0.15
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 16.67

* Based on an €80/tonne carbon price