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 3.91
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -4.48 -0.375 1.68
Prot (kg) -3.34 -0.441 1.47
Fertility Sub Index 7.00
Calving Interval (days) -3.48 -1.459 5.08
Survival (%) 1.72 1.117 1.92
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.15
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 20.57

* Based on an €80/tonne carbon price