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 3.62
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -3.42 -0.375 1.28
Prot (kg) -2.38 -0.441 1.05
Fertility Sub Index 1.45
Calving Interval (days) -0.56 -1.459 0.82
Survival (%) 0.57 1.117 0.64
Calving Sub Index -2.04
Gestation Length (days) 2.22 -0.919 -2.04
Beef Sub Index -1.51
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) 0.20 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index -2.15
Live WT (kg) 7.00 -0.307 -2.15
Total Carbon Sub Index -0.62

* Based on an €80/tonne carbon price