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 2.89
Milk (kg) -319.00 -0.014 4.47
Fat (kg) 6.21 -0.375 -2.33
Prot (kg) -1.70 -0.441 0.75
Fertility Sub Index 4.13
Calving Interval (days) -2.16 -1.459 3.15
Survival (%) 0.88 1.117 0.98
Calving Sub Index -0.97
Gestation Length (days) 1.05 -0.919 -0.97
Beef Sub Index 18.74
Carcass Weight (kg) -41.70 -0.528 22.00
Age of Slaughter (days) 7.55 -0.432 -3.26
Maintenance Sub Index Maint. Sub Index 27.62
Live WT (kg) -90.10 -0.307 27.62
Total Carbon Sub Index 52.41

* Based on an €80/tonne carbon price