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 14.53
Milk (kg) -333.00 -0.014 4.66
Fat (kg) -10.64 -0.375 3.99
Prot (kg) -13.33 -0.441 5.88
Fertility Sub Index 0.38
Calving Interval (days) 0.07 -1.459 -0.10
Survival (%) 0.43 1.117 0.48
Calving Sub Index 2.97
Gestation Length (days) -3.23 -0.919 2.97
Beef Sub Index 6.22
Carcass Weight (kg) -12.90 -0.528 6.80
Age of Slaughter (days) 1.36 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 30.23

* Based on an €80/tonne carbon price