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 5.18
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -4.69 -0.375 1.76
Prot (kg) -2.53 -0.441 1.12
Fertility Sub Index -0.34
Calving Interval (days) 0.63 -1.459 -0.92
Survival (%) 0.52 1.117 0.58
Calving Sub Index 2.48
Gestation Length (days) -2.70 -0.919 2.48
Beef Sub Index -1.86
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 2.59 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index -0.98
Live WT (kg) 3.20 -0.307 -0.98
Total Carbon Sub Index 4.49

* Based on an €80/tonne carbon price