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 40.79
Milk (kg) -878.00 -0.014 12.29
Fat (kg) -38.86 -0.375 14.56
Prot (kg) -31.59 -0.441 13.94
Fertility Sub Index 5.73
Calving Interval (days) -2.16 -1.459 3.15
Survival (%) 2.31 1.117 2.58
Calving Sub Index -1.43
Gestation Length (days) 1.56 -0.919 -1.43
Beef Sub Index -2.40
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 7.28 -0.432 -3.14
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 48.38

* Based on an €80/tonne carbon price