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 1.35
Milk (kg) -68.00 -0.014 0.95
Fat (kg) 0.42 -0.375 -0.16
Prot (kg) -1.26 -0.441 0.56
Fertility Sub Index 1.24
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) 0.17 1.117 0.19
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index -1.55
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 7.02 -0.432 -3.03
Maintenance Sub Index Maint. Sub Index 6.77
Live WT (kg) -22.10 -0.307 6.77
Total Carbon Sub Index 8.53

* Based on an €80/tonne carbon price