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 12.31
Milk (kg) -340.00 -0.014 4.76
Fat (kg) -9.55 -0.375 3.58
Prot (kg) -9.00 -0.441 3.97
Fertility Sub Index 7.56
Calving Interval (days) -4.82 -1.459 7.03
Survival (%) 0.47 1.117 0.53
Calving Sub Index 1.27
Gestation Length (days) -1.38 -0.919 1.27
Beef Sub Index -2.06
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) -1.22 -0.432 0.53
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 20.09

* Based on an €80/tonne carbon price