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 11.08
Milk (kg) -240.00 -0.014 3.36
Fat (kg) -10.33 -0.375 3.87
Prot (kg) -8.73 -0.441 3.85
Fertility Sub Index 5.66
Calving Interval (days) -3.09 -1.459 4.51
Survival (%) 1.03 1.117 1.15
Calving Sub Index -1.68
Gestation Length (days) 1.83 -0.919 -1.68
Beef Sub Index -2.04
Carcass Weight (kg) 3.30 -0.528 -1.74
Age of Slaughter (days) 0.69 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 17.65

* Based on an €80/tonne carbon price