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 6.80
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -5.12 -0.375 1.92
Prot (kg) -5.36 -0.441 2.37
Fertility Sub Index 4.99
Calving Interval (days) -3.16 -1.459 4.61
Survival (%) 0.34 1.117 0.38
Calving Sub Index 1.09
Gestation Length (days) -1.19 -0.919 1.09
Beef Sub Index 2.02
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 17.82

* Based on an €80/tonne carbon price