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 1.87
Milk (kg) -172.00 -0.014 2.41
Fat (kg) 3.99 -0.375 -1.49
Prot (kg) -2.16 -0.441 0.95
Fertility Sub Index 6.87
Calving Interval (days) -2.10 -1.459 3.06
Survival (%) 3.41 1.117 3.81
Calving Sub Index 1.36
Gestation Length (days) -1.48 -0.919 1.36
Beef Sub Index 1.80
Carcass Weight (kg) -6.70 -0.528 3.53
Age of Slaughter (days) 4.02 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 17.61

* Based on an €80/tonne carbon price