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 4.53
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -3.69 -0.375 1.38
Prot (kg) -5.16 -0.441 2.28
Fertility Sub Index 5.88
Calving Interval (days) -3.58 -1.459 5.22
Survival (%) 0.59 1.117 0.66
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index -0.16
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.57 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 14.19

* Based on an €80/tonne carbon price