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 4.89
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -5.51 -0.375 2.06
Prot (kg) -1.71 -0.441 0.75
Fertility Sub Index 5.22
Calving Interval (days) -2.58 -1.459 3.76
Survival (%) 1.30 1.117 1.45
Calving Sub Index -1.09
Gestation Length (days) 1.19 -0.919 -1.09
Beef Sub Index -3.58
Carcass Weight (kg) 7.00 -0.528 -3.69
Age of Slaughter (days) -0.26 -0.432 0.11
Maintenance Sub Index Maint. Sub Index -0.21
Live WT (kg) 0.70 -0.307 -0.21
Total Carbon Sub Index 5.22

* Based on an €80/tonne carbon price