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 7.70
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -8.73 -0.375 3.27
Prot (kg) -6.49 -0.441 2.86
Fertility Sub Index 5.76
Calving Interval (days) -2.48 -1.459 3.62
Survival (%) 1.92 1.117 2.15
Calving Sub Index -1.44
Gestation Length (days) 1.57 -0.919 -1.44
Beef Sub Index -2.31
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 8.15 -0.432 -3.52
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 14.66

* Based on an €80/tonne carbon price