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 1.03
Milk (kg) -249.00 -0.014 3.49
Fat (kg) 7.26 -0.375 -2.72
Prot (kg) -0.59 -0.441 0.26
Fertility Sub Index 0.38
Calving Interval (days) 0.48 -1.459 -0.70
Survival (%) 0.97 1.117 1.08
Calving Sub Index 1.31
Gestation Length (days) -1.42 -0.919 1.31
Beef Sub Index 0.89
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) -0.83 -0.432 0.36
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 5.13

* Based on an €80/tonne carbon price