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 7.11
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -5.54 -0.375 2.08
Prot (kg) -5.61 -0.441 2.48
Fertility Sub Index 4.52
Calving Interval (days) -2.45 -1.459 3.57
Survival (%) 0.85 1.117 0.95
Calving Sub Index -0.19
Gestation Length (days) 0.21 -0.919 -0.19
Beef Sub Index 0.34
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 14.67

* Based on an €80/tonne carbon price