Productivity Index - Traits

Speciessort descending Breed Trait
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)
Sheep Menz Index I / ppwt 0.73 of dam (kg)
Sheep Djallonke 365/Parturition interval * Litter size * Survival to 90 days * Live weight at 90 days.
Sheep Uda 3 months weight of lamb per kg ewe metabolic weight
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight of dam (kg)
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight of dam (kg)
Sheep Djallonke per breeding female per year
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)
Sheep Djallonke per kg dam weight per year
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)
Sheep Toronke Total weight of young weaned per breeding female per year = (Litter weight at 150 days * 365)/ interval to next birth (in kg).
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight of dam (kg)
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight of dam (kg)
Sheep Djallonke per kg dam weight per year
Sheep Toronke Weight of young weaned per kg of breeding female per year (in gm).
Sheep Toronke Total weight of young weaned per breeding female per year = (Litter weight at 150 days * 365)/ interval to next birth (in kg).
Sheep Red Maasai ((Total live weight of litter at 150 days X 365) / (subsequent parturition interval (days))) / (Post-partum dam weight (ppwt), kg)
Sheep Blackhead Somali Total live weight of litter at 150 days x 365 days / Post partum weight of dam
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight of dam (kg)
Sheep Djallonke per kg dam weight per year
Sheep Toronke Weight of young weaned per kg metabolic weight of breeding female per year (in kg)
Sheep Toronke Total weight of young weaned per breeding female per year = (Litter weight at 150 days * 365)/ interval to next birth (in kg).
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight(0.73) of dam (kg)
Sheep Blackhead Somali Relates liveweight of Progeny/ewe/year to the post partum ewe liveweight.