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 4.78
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -3.01 -0.375 1.13
Prot (kg) -3.94 -0.441 1.74
Fertility Sub Index 4.22
Calving Interval (days) -2.35 -1.459 3.43
Survival (%) 0.71 1.117 0.79
Calving Sub Index -0.19
Gestation Length (days) 0.21 -0.919 -0.19
Beef Sub Index 1.29
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.29 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 13.81

* Based on an €80/tonne carbon price