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 9.09
Milk (kg) -167.00 -0.014 2.34
Fat (kg) -9.01 -0.375 3.37
Prot (kg) -7.66 -0.441 3.38
Fertility Sub Index 2.94
Calving Interval (days) -1.43 -1.459 2.09
Survival (%) 0.76 1.117 0.85
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.82
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 1.28 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index 10.77

* Based on an €80/tonne carbon price