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 10.34
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -11.66 -0.375 4.37
Prot (kg) -8.42 -0.441 3.72
Fertility Sub Index 5.69
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 1.71 1.117 1.91
Calving Sub Index -1.58
Gestation Length (days) 1.72 -0.919 -1.58
Beef Sub Index -2.75
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 6.97 -0.432 -3.01
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 16.63

* Based on an €80/tonne carbon price