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 4.20
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -3.42 -0.375 1.28
Prot (kg) -2.21 -0.441 0.98
Fertility Sub Index -6.44
Calving Interval (days) 3.67 -1.459 -5.35
Survival (%) -0.97 1.117 -1.08
Calving Sub Index 1.85
Gestation Length (days) -2.01 -0.919 1.85
Beef Sub Index -1.09
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 4.47 -0.432 -1.93
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 0.43

* Based on an €80/tonne carbon price