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 -4.31
Milk (kg) 71.00 -0.014 -0.99
Fat (kg) 3.97 -0.375 -1.49
Prot (kg) 4.15 -0.441 -1.83
Fertility Sub Index 5.91
Calving Interval (days) -2.81 -1.459 4.10
Survival (%) 1.62 1.117 1.81
Calving Sub Index -2.67
Gestation Length (days) 2.91 -0.919 -2.67
Beef Sub Index -1.50
Carcass Weight (kg) 6.40 -0.528 -3.38
Age of Slaughter (days) -4.34 -0.432 1.87
Maintenance Sub Index Maint. Sub Index -3.34
Live WT (kg) 10.90 -0.307 -3.34
Total Carbon Sub Index -5.92

* Based on an €80/tonne carbon price