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 4.34
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -7.78 -0.375 2.91
Prot (kg) -2.09 -0.441 0.92
Fertility Sub Index -2.26
Calving Interval (days) 2.86 -1.459 -4.17
Survival (%) 1.71 1.117 1.91
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index 0.77
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.41 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 5.22

* Based on an €80/tonne carbon price