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 6.48
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -7.70 -0.375 2.88
Prot (kg) -3.54 -0.441 1.56
Fertility Sub Index 1.83
Calving Interval (days) -0.67 -1.459 0.98
Survival (%) 0.76 1.117 0.85
Calving Sub Index -0.14
Gestation Length (days) 0.15 -0.919 -0.14
Beef Sub Index -1.99
Carcass Weight (kg) 2.90 -0.528 -1.53
Age of Slaughter (days) 1.07 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 7.03

* Based on an €80/tonne carbon price