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 6.88
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -8.19 -0.375 3.07
Prot (kg) -4.48 -0.441 1.98
Fertility Sub Index 10.42
Calving Interval (days) -5.68 -1.459 8.29
Survival (%) 1.91 1.117 2.13
Calving Sub Index 1.72
Gestation Length (days) -1.87 -0.919 1.72
Beef Sub Index -2.38
Carcass Weight (kg) 3.40 -0.528 -1.79
Age of Slaughter (days) 1.37 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 21.23

* Based on an €80/tonne carbon price