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 2.51
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -1.09 -0.375 0.41
Prot (kg) -2.15 -0.441 0.95
Fertility Sub Index 6.67
Calving Interval (days) -3.13 -1.459 4.57
Survival (%) 1.88 1.117 2.10
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.49
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.33 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 19.37

* Based on an €80/tonne carbon price