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 2.44
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -2.13 -0.375 0.80
Prot (kg) -2.43 -0.441 1.07
Fertility Sub Index 6.88
Calving Interval (days) -4.10 -1.459 5.98
Survival (%) 0.80 1.117 0.89
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index -0.09
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 12.60

* Based on an €80/tonne carbon price