Response of West African Dwarf goats fed guinea grass grown with different organic manure

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A.D. Ajagbe
B.O. Oyewole
A.I. Abdullahi


Background and Objectives: An adequate forage supply for ruminants has become imperative in nutrition. This is due to the nature of their gastrointestinal tract for efficient nutritional utilization and optimum performance. Also, one of the cheapest ways of growing nutritive forage species for ruminants is through organic manure, which, in most cases, is often difficult to dispose of, constituting environmental pollution. This study was conducted to determine the response of West African Dwarf goats fed a basal diet of guinea grass grown with different organic manure.
Methodology: Four different plots laid out in a randomized complete block design were used to grow the guinea grass with different organic manure: plot 1 (guinea grass grown without organic manure), plot 2 (guinea grass grown with poultry manure), plot 3 (guinea grass grown with swine manure), and plot 4 (guinea grass grown with cattle manure). The feeding trial consisted of a total of sixteen growing West African female goats of 5–6 months with an average weight of 6.50 ± 0.25 kg were used for the feeding trial. They were randomly assigned to four dietary treatments with four animals per treatment in a completely randomized design in a factorial arrangement. The diets were T1 (60% guinea grass grown with no manure + 40% concentrate), T2 (60% guinea grass grown with poultry manure + 40% concentrate), T3 (60% guinea grass grown with swine manure + 40% concentrate), and T4 (60% guinea grass grown with cattle manure + 40% concentrate).
Main Results: Nutrient compositions of the grass were significantly (P < 0.05) influenced by organic manure application while dietary group fed guinea grass with cattle manure application had significantly (P < 0.05) higher forage intake (5,697.19 ± 55.97 g) and weight gain (1.06 ± 0.30 kg) than other groups whereas hemoglobin (8.05 ± 0.58 g/dL) and red blood cell (2.92 ± 6.17 × 1012/L) were significantly (P < 0.05) higher for goats fed guinea grass fertilized with poultry manure.
Conclusions: It can be concluded that the use of poultry manure and cattle dung application in growing guinea grass as a basal diet has the potentials to boost performance and hematological indices of goats.

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