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 15.06
Milk (kg) -512.00 -0.014 7.17
Fat (kg) -7.39 -0.375 2.77
Prot (kg) -11.61 -0.441 5.12
Fertility Sub Index 3.98
Calving Interval (days) -3.14 -1.459 4.58
Survival (%) -0.54 1.117 -0.60
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index 1.49
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -1.14 -0.432 0.49
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 21.50

* Based on an €80/tonne carbon price