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 9.11
Milk (kg) -302.00 -0.014 4.23
Fat (kg) -4.35 -0.375 1.63
Prot (kg) -7.38 -0.441 3.26
Fertility Sub Index 6.02
Calving Interval (days) -3.56 -1.459 5.19
Survival (%) 0.74 1.117 0.83
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index 0.17
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.45 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 17.40

* Based on an €80/tonne carbon price