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 4.80
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -6.51 -0.375 2.44
Prot (kg) -3.54 -0.441 1.56
Fertility Sub Index 2.96
Calving Interval (days) -1.14 -1.459 1.66
Survival (%) 1.16 1.117 1.30
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.19
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 2.13 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 11.46

* Based on an €80/tonne carbon price