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 9.09
Milk (kg) -275.00 -0.014 3.85
Fat (kg) -6.86 -0.375 2.57
Prot (kg) -6.04 -0.441 2.67
Fertility Sub Index 5.98
Calving Interval (days) -3.17 -1.459 4.63
Survival (%) 1.21 1.117 1.35
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index 2.39
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -3.45 -0.432 1.49
Maintenance Sub Index Maint. Sub Index 4.84
Live WT (kg) -15.80 -0.307 4.84
Total Carbon Sub Index 23.42

* Based on an €80/tonne carbon price