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 19.05
Milk (kg) -436.00 -0.014 6.10
Fat (kg) -15.81 -0.375 5.92
Prot (kg) -15.91 -0.441 7.02
Fertility Sub Index 9.42
Calving Interval (days) -5.21 -1.459 7.60
Survival (%) 1.63 1.117 1.82
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 3.57
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) -0.21 -0.432 0.09
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 34.15

* Based on an €80/tonne carbon price