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 7.08
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -7.04 -0.375 2.64
Prot (kg) -5.40 -0.441 2.38
Fertility Sub Index 3.54
Calving Interval (days) -1.67 -1.459 2.44
Survival (%) 0.99 1.117 1.11
Calving Sub Index -1.36
Gestation Length (days) 1.48 -0.919 -1.36
Beef Sub Index -3.72
Carcass Weight (kg) 3.90 -0.528 -2.06
Age of Slaughter (days) 3.86 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 6.37

* Based on an €80/tonne carbon price