Research, Policy and Practice
Table 3 Small stock production parameters in Turkana County in 2010
From: Economic losses associated with Peste des petits ruminants in Turkana County Kenya
Parameter | Sheep | Goats |
|---|---|---|
B = birth weight (kilograms) | 1.9 | 2.1 |
K = normal inter-kidding/lambing interval in days | 252 | 344 |
Q = inter-kidding/lambing interval in sick animals in days | 417 | 509 |
V a = normal volume milk production in litres | 0.49 | 0.73 |
V l = volume of milk loss per PPR case | 0.3 | 0.4 |
T l = lactation period in days | 120 | 120 |
T r = duration days of reduced milk production per surving PPR case | 20 | 20 |
C m = sale value of milk (US$/litre) | 0.58 | 0.58 |
C me = value of TLU (US$/kilogram) | 0.6 | 0.6 |
W l = proportion (%) of weight loss in surviving PPR case | 30 | 30 |
P f = proportion (%) of pregnant animals | 20 | 15 |
L f = proportion (%) of lactating animals | 15.84 | 18.75 |
S m…f = proportion (%) of breeding females | 37.67 | 36.12 |
N = sheep and goat population in Turkana | 3,517,151 | 5,994,861 |