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 8.01
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -6.27 -0.375 2.35
Prot (kg) -8.16 -0.441 3.60
Fertility Sub Index 8.48
Calving Interval (days) -6.15 -1.459 8.97
Survival (%) -0.44 1.117 -0.49
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index -0.42
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 0.48 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 19.16

* Based on an €80/tonne carbon price