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 4.99
Milk (kg) -201.00 -0.014 2.81
Fat (kg) -0.53 -0.375 0.20
Prot (kg) -4.48 -0.441 1.98
Fertility Sub Index 3.97
Calving Interval (days) -4.10 -1.459 5.98
Survival (%) -1.80 1.117 -2.01
Calving Sub Index -3.39
Gestation Length (days) 3.69 -0.919 -3.39
Beef Sub Index 1.52
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) -3.40 -0.432 1.47
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index 7.59

* Based on an €80/tonne carbon price