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 7.55
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -7.59 -0.375 2.84
Prot (kg) -5.93 -0.441 2.62
Fertility Sub Index 5.76
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 1.37 1.117 1.53
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.64
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -1.85 -0.432 0.80
Maintenance Sub Index Maint. Sub Index 6.87
Live WT (kg) -22.40 -0.307 6.87
Total Carbon Sub Index 26.63

* Based on an €80/tonne carbon price