Small ruminant production in the near east region is facing serious constra
int of feed availability. A study was conducted in marginal areas of Lebano
n, using a cost-benefit analysis technique (CBA), to assess the feasibility
of four small ruminant production systems ranging from semi-nomadic to set
tled. When the owned labor cost was included as an opportunity cost in the
economic analysis, CBA revealed negative returns in all four systems. Only
the settled system was profitable according to the financial analysis exclu
ding labor cost. Moreover, feed expenses if coupled with grazing costs repr
esented a major constraint to profitability. To remedy to the feed deficit
problem, the potential of using agro-industrial by-products as feed block s
upplements was investigated. Simulated feed block diets, using the most ava
ilable by-products, provided a better nutritive value per unit cost than ha
nd-fed diets used in the systems studied. Preliminary analysis showed that
the use of feed block diets could improve the economic sustainability of sm
all ruminant production systems. (C) 2001 Elsevier Science B.V. All rights
reserved.