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 1.08
Milk (kg) 25.00 -0.014 -0.35
Fat (kg) -0.63 -0.375 0.24
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 4.37
Calving Interval (days) -2.49 -1.459 3.63
Survival (%) 0.66 1.117 0.74
Calving Sub Index -1.30
Gestation Length (days) 1.41 -0.919 -1.30
Beef Sub Index -2.79
Carcass Weight (kg) 4.40 -0.528 -2.32
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index -3.25
Live WT (kg) 10.60 -0.307 -3.25
Total Carbon Sub Index -1.89

* Based on an €80/tonne carbon price