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 6.90
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -9.84 -0.375 3.69
Prot (kg) -3.72 -0.441 1.64
Fertility Sub Index 6.48
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) 1.41 1.117 1.58
Calving Sub Index -1.54
Gestation Length (days) 1.68 -0.919 -1.54
Beef Sub Index -2.26
Carcass Weight (kg) 5.00 -0.528 -2.64
Age of Slaughter (days) -0.87 -0.432 0.38
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 11.01

* Based on an €80/tonne carbon price