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 1.55
Milk (kg) 42.00 -0.014 -0.59
Fat (kg) -0.38 -0.375 0.14
Prot (kg) -4.53 -0.441 2.00
Fertility Sub Index 4.99
Calving Interval (days) -2.53 -1.459 3.69
Survival (%) 1.16 1.117 1.30
Calving Sub Index -1.60
Gestation Length (days) 1.74 -0.919 -1.60
Beef Sub Index -2.88
Carcass Weight (kg) 9.20 -0.528 -4.85
Age of Slaughter (days) -4.57 -0.432 1.97
Maintenance Sub Index Maint. Sub Index -7.60
Live WT (kg) 24.80 -0.307 -7.60
Total Carbon Sub Index -5.55

* Based on an €80/tonne carbon price