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 0.35
Milk (kg) -7.00 -0.014 0.10
Fat (kg) -1.61 -0.375 0.60
Prot (kg) 0.80 -0.441 -0.35
Fertility Sub Index 0.02
Calving Interval (days) 1.05 -1.459 -1.53
Survival (%) 1.39 1.117 1.55
Calving Sub Index -0.53
Gestation Length (days) 0.58 -0.919 -0.53
Beef Sub Index -2.13
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 7.63 -0.432 -3.29
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 3.87

* Based on an €80/tonne carbon price