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 4.35
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -3.63 -0.375 1.36
Prot (kg) -5.53 -0.441 2.44
Fertility Sub Index 3.30
Calving Interval (days) -1.72 -1.459 2.51
Survival (%) 0.71 1.117 0.79
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.28
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 4.80 -0.432 -2.07
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 7.91

* Based on an €80/tonne carbon price