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 13.21
Milk (kg) -263.00 -0.014 3.68
Fat (kg) -12.99 -0.375 4.87
Prot (kg) -10.57 -0.441 4.67
Fertility Sub Index 5.20
Calving Interval (days) -3.19 -1.459 4.65
Survival (%) 0.49 1.117 0.55
Calving Sub Index 1.09
Gestation Length (days) -1.19 -0.919 1.09
Beef Sub Index 3.78
Carcass Weight (kg) -7.60 -0.528 4.01
Age of Slaughter (days) 0.54 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 27.21

* Based on an €80/tonne carbon price