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 4.29
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -7.51 -0.375 2.81
Prot (kg) -0.43 -0.441 0.19
Fertility Sub Index 4.40
Calving Interval (days) -2.27 -1.459 3.31
Survival (%) 0.97 1.117 1.08
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.95
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) -1.70 -0.432 0.73
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 19.56

* Based on an €80/tonne carbon price