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 9.07
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -9.63 -0.375 3.61
Prot (kg) -7.27 -0.441 3.21
Fertility Sub Index 5.67
Calving Interval (days) -3.42 -1.459 4.99
Survival (%) 0.61 1.117 0.68
Calving Sub Index -1.36
Gestation Length (days) 1.48 -0.919 -1.36
Beef Sub Index 5.36
Carcass Weight (kg) -8.70 -0.528 4.59
Age of Slaughter (days) -1.79 -0.432 0.77
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 21.99

* Based on an €80/tonne carbon price