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 -1.53
Milk (kg) 5.00 -0.014 -0.07
Fat (kg) 2.43 -0.375 -0.91
Prot (kg) 1.25 -0.441 -0.55
Fertility Sub Index 5.21
Calving Interval (days) -2.49 -1.459 3.63
Survival (%) 1.41 1.117 1.58
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.56
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) -0.07 -0.432 0.03
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 13.90

* Based on an €80/tonne carbon price