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 23.45
Milk (kg) -468.00 -0.014 6.55
Fat (kg) -25.57 -0.375 9.58
Prot (kg) -16.58 -0.441 7.32
Fertility Sub Index 3.34
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 0.77 1.117 0.86
Calving Sub Index -1.61
Gestation Length (days) 1.75 -0.919 -1.61
Beef Sub Index -2.80
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) 4.04 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 22.68

* Based on an €80/tonne carbon price