Growth Performance and Economic Value of garri used as a Replacement for Maize in the Diets of Local Turkeys by Eugenes K Ndelekwute* in Approaches in Poultry, Dairy & Veterinary Sciences_ Dairy and Veterinary Sciences journal
Abstract
An experiment was conducted to investigate
effect of garri on growth and economic performance of local turkeys as an
alternative feed ingredient to maize. A total of one hundred and thirty-five
day- old unsexed local poults were used for the study. Birds were randomly
allotted to five dietary
treatments with three replicates in a completely randomized design (CRD).
Each treatment group had twenty-seven poults with nine poults per replicate.
The experiment lasted for 16 weeks, 0-8 weeks and 9-16 weeks for the starter
and grower phases respectively, during which starter and grower diets were fed.
garri replaced dietary maize at 0, 25, 50, 75 and 100% in the diets designated
T1, T2, T3, T4, and T5 respectively. Feed and water offered ad libitum
throughout the experiment. Results indicated that at the starter phase 75 and
100 garri significantly (P<0.05) reduced live weight, feed intake and
produced poor feed: gain ratio. There was no significant difference (P>0.05)
in live weight, feed intake and feed: gain ratio between control, 25 and 50%
garri. During the grower phase 75 and 100% reduced (P<0.05) live weight, but
there was no difference in feed intake and feed: gain ratio. Replacing maize
with 75 and 100% garri significantly (P<0.05) reduced gross margin.
Therefore 50% garri could be used to replace maize in diets of local turkeys.
Introduction
There are factors that constitute a hindrance to
the fast expansion of intensive poultry production in Nigeria, they are majorly
the high cost of feeds and feedstuffs and insufficient supply of feed at the
proper quality and quantity to the birds [1]. Feed constitutes about 70%- 80%
of the total production cost in poultry business [1]. However, among cereal
grains, maize is a common feedstuff of choice for energy in monogastric diet
and its inclusion in diets ranges from 50%-70% [2,3]. This is not sufficiently
available due to competition between livestock, human consumption and
industrial uses. This scarcity has led to a rise in the cost of maize and would
invariably, lead to increase in cost of animal feed and consequently animal protein [4]. Cassava (Manihot esculenta, Crantz) is
one of the most vital food crops in the humid tropics, since it is naturally
suited to condition of low nutrient availability and has the potency to survive
in a drought situation. Cassava as a crop is mostly cultivated in most
countries in the tropical regions of Africa. The crop has served as an
alternative energy source and its inclusion in diets for poultry has been
extensively studied [5]. Cassava remains the most vital food in terms of
carbohydrates and can be processed into various forms such as garri, fufu and
tapioca
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