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 6.60
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -7.28 -0.375 2.73
Prot (kg) -4.30 -0.441 1.90
Fertility Sub Index 4.94
Calving Interval (days) -2.35 -1.459 3.43
Survival (%) 1.35 1.117 1.51
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.88
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 19.72

* Based on an €80/tonne carbon price