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 2.93
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -1.29 -0.375 0.48
Prot (kg) -2.63 -0.441 1.16
Fertility Sub Index 4.57
Calving Interval (days) -2.33 -1.459 3.40
Survival (%) 1.05 1.117 1.17
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.16
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.13 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 5.00
Live WT (kg) -16.30 -0.307 5.00
Total Carbon Sub Index 17.50

* Based on an €80/tonne carbon price