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 9.77
Milk (kg) -233.00 -0.014 3.26
Fat (kg) -6.35 -0.375 2.38
Prot (kg) -9.36 -0.441 4.13
Fertility Sub Index 2.14
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) 0.35 1.117 0.39
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.39
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 1.54 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index 13.60

* Based on an €80/tonne carbon price