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 10.16
Milk (kg) -185.00 -0.014 2.59
Fat (kg) -11.31 -0.375 4.24
Prot (kg) -7.56 -0.441 3.34
Fertility Sub Index 2.91
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) 1.04 1.117 1.16
Calving Sub Index -0.89
Gestation Length (days) 0.97 -0.919 -0.89
Beef Sub Index -2.55
Carcass Weight (kg) 3.70 -0.528 -1.95
Age of Slaughter (days) 1.39 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 11.63

* Based on an €80/tonne carbon price