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 6.60
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -7.48 -0.375 2.80
Prot (kg) -5.68 -0.441 2.51
Fertility Sub Index 10.17
Calving Interval (days) -6.77 -1.459 9.88
Survival (%) 0.26 1.117 0.29
Calving Sub Index -1.78
Gestation Length (days) 1.94 -0.919 -1.78
Beef Sub Index 0.67
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) -2.05 -0.432 0.88
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 17.64

* Based on an €80/tonne carbon price