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Biological Availability of Phosphorus in Raw and Acidulated Sinda and Chilembwe Rock Phosphates in Broiler Chickens

A 14 day broiler chickens feeding trial was conducted to determine bio-availability and relative biological values (RBV) of phosphorus in raw and acidulated local rock phosphates (RPs) as potential replacements for imported and more expensive di-calcium phosphate (DCP). Treatments included Raw, Sulphuric acid and Phosphoric acid acidulated Sinda and Chilembwe RPs. Bio-availability was assessed based on feed intake, body weight gains, feed conversion ratios, phosphorus retention and mineralization of tibia bones and blood serum. RBVs were calculated on the same parameters using DCP as a reference standard. Phosphorus contents in local RPs were significantly (P ≥ 0.05) lower than in DCP, but acidulating RPs with Phosphoric acid significantly increased phosphorus, but reduced calcium contents. Other minerals were comparable with what was in DCP. Acidulating RPs significantly (P ≥ 0.05) increased body weight gains and feed conversion ratios, but not feed intake. Phosphorus retentions, weights and ash contents of tibia bones were significantly (P ≥ 0.05) lower in chickens fed diets based on raw than that of those fed diets based on acidulated RPs and DCP; an indication that acidulating the RPs improved phosphorus bio-availability in broiler chickens. There were however; no statistical differences (P ≥ 0.05) among treatments in calcium and phosphorus contents in both tibia bones and blood serum.
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Diagnostic Approaches towards Camelpox Disease

Camelpox is routinely diagnosed based on clinical signs, pathological findings and cellular and molecular assays.
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Effects of Treated Banana Peel Meal on the Feed Efficiency, Digestibility and Cost Effectiveness of Broiler Chickens Diet

The study was conducted to investigate effect and the nutritive value of treated banana peel meal at substitutionary levels for maize and other ingredients on the feed efficiency, digestibility and cost effectiveness on broiler chickens diet. A total of one hundred and eighty (180) Arbor Acres broilers were randomly distributed into four treatment groups of 0%-control, 10, 20 and 30% inclusion of treated banana peel meal as T0, T10, T20 and T30 treatments respectively.
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Beta (1-3)(1-6)-D-glucan with strong effects on immune status in chicken: potential importance for efficiency of commercial farming

In face of the challenge of the emergent new diseases and the current efforts of the governments to ban growth-promoting antibiotics and to improve conditions and overall health of the farmed animals, new opportunities are created for natural, highly effective, cost affordable immunomodulators.
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