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 4.92
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -0.60 -0.375 0.22
Prot (kg) -5.69 -0.441 2.51
Fertility Sub Index 9.05
Calving Interval (days) -5.42 -1.459 7.91
Survival (%) 1.02 1.117 1.14
Calving Sub Index 0.17
Gestation Length (days) -0.19 -0.919 0.17
Beef Sub Index 2.85
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) -0.13 -0.432 0.06
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 22.08

* Based on an €80/tonne carbon price