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 -7.06
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) 8.43 -0.375 -3.16
Prot (kg) 8.55 -0.441 -3.77
Fertility Sub Index 2.82
Calving Interval (days) -1.42 -1.459 2.07
Survival (%) 0.67 1.117 0.75
Calving Sub Index 4.40
Gestation Length (days) -4.79 -0.919 4.40
Beef Sub Index 0.35
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 4.80 -0.432 -2.07
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 2.05

* Based on an €80/tonne carbon price