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 6.87
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -4.98 -0.375 1.87
Prot (kg) -7.00 -0.441 3.09
Fertility Sub Index 3.09
Calving Interval (days) -1.46 -1.459 2.13
Survival (%) 0.86 1.117 0.96
Calving Sub Index 0.09
Gestation Length (days) -0.10 -0.919 0.09
Beef Sub Index -3.98
Carcass Weight (kg) 8.50 -0.528 -4.48
Age of Slaughter (days) -1.16 -0.432 0.50
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 6.19

* Based on an €80/tonne carbon price