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 4.24
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -4.19 -0.375 1.57
Prot (kg) -3.98 -0.441 1.76
Fertility Sub Index 4.61
Calving Interval (days) -2.64 -1.459 3.85
Survival (%) 0.68 1.117 0.76
Calving Sub Index -0.09
Gestation Length (days) 0.10 -0.919 -0.09
Beef Sub Index 0.13
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 2.82
Live WT (kg) -9.20 -0.307 2.82
Total Carbon Sub Index 11.71

* Based on an €80/tonne carbon price