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 2.73
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -3.28 -0.375 1.23
Prot (kg) -1.47 -0.441 0.65
Fertility Sub Index 5.15
Calving Interval (days) -2.36 -1.459 3.44
Survival (%) 1.53 1.117 1.71
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.51
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.41 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 17.49

* Based on an €80/tonne carbon price