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 2.22
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -3.69 -0.375 1.38
Prot (kg) -1.19 -0.441 0.53
Fertility Sub Index 3.35
Calving Interval (days) -1.76 -1.459 2.57
Survival (%) 0.70 1.117 0.78
Calving Sub Index 0.57
Gestation Length (days) -0.62 -0.919 0.57
Beef Sub Index 4.62
Carcass Weight (kg) -10.90 -0.528 5.75
Age of Slaughter (days) 2.62 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 10.27
Live WT (kg) -33.50 -0.307 10.27
Total Carbon Sub Index 21.02

* Based on an €80/tonne carbon price