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 4.56
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -3.09 -0.375 1.16
Prot (kg) -4.78 -0.441 2.11
Fertility Sub Index 6.22
Calving Interval (days) -3.19 -1.459 4.65
Survival (%) 1.40 1.117 1.56
Calving Sub Index 0.13
Gestation Length (days) -0.14 -0.919 0.13
Beef Sub Index 0.85
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 14.69

* Based on an €80/tonne carbon price