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 5.42
Milk (kg) -78.00 -0.014 1.09
Fat (kg) -3.80 -0.375 1.42
Prot (kg) -6.57 -0.441 2.90
Fertility Sub Index -2.23
Calving Interval (days) 1.23 -1.459 -1.79
Survival (%) -0.39 1.117 -0.44
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index -0.74
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 3.19 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index 2.22

* Based on an €80/tonne carbon price