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 4.16
Milk (kg) -146.00 -0.014 2.04
Fat (kg) 4.35 -0.375 -1.63
Prot (kg) -8.48 -0.441 3.74
Fertility Sub Index 4.23
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) 1.28 1.117 1.43
Calving Sub Index 0.52
Gestation Length (days) -0.57 -0.919 0.52
Beef Sub Index -0.13
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) -0.43 -0.432 0.19
Maintenance Sub Index Maint. Sub Index -0.15
Live WT (kg) 0.50 -0.307 -0.15
Total Carbon Sub Index 8.63

* Based on an €80/tonne carbon price