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 3.55
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -2.18 -0.375 0.82
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 3.77
Calving Interval (days) -1.48 -1.459 2.16
Survival (%) 1.44 1.117 1.61
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index 1.49
Carcass Weight (kg) -9.70 -0.528 5.12
Age of Slaughter (days) 8.41 -0.432 -3.63
Maintenance Sub Index Maint. Sub Index 10.61
Live WT (kg) -34.60 -0.307 10.61
Total Carbon Sub Index 20.05

* Based on an €80/tonne carbon price