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 8.56
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -13.42 -0.375 5.03
Prot (kg) -6.77 -0.441 2.99
Fertility Sub Index 7.84
Calving Interval (days) -4.64 -1.459 6.77
Survival (%) 0.96 1.117 1.07
Calving Sub Index 1.16
Gestation Length (days) -1.26 -0.919 1.16
Beef Sub Index 0.08
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 0.31 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 21.47

* Based on an €80/tonne carbon price