Abstract
Enzymes which are biological catalyst composed of amino acids with minerals and vitamins. The use of enzymes has many benefits in poultry diets include not only enhanced feed conversion and bird performance but also reduced output of excreta problems of environment. The present research work was conducted to evaluate the effect of phytase enzyme on growth performance and blood profile of broiler. Birds were arbitrarily separated into four groups, i.e. Group A (control) was offered 0 g/kg, 0.05 g/kg (group B), 0.075 g/kg (group C) and 0.025 g/kg (group D) phytase enzyme provided in broiler feed. Parameters which were selected in present research work as, feed intake, live body weight, feed conversion ratio, growth performance and blood profile. Results showed that the maximum chicken body weight was noted in group C and feed intake was minimum in group C, as compared to other groups. Feed conversion ratio was significantly (p < 0.05) higher in group C, followed by other groups the non-significantly variance founded respectively, the highest weight of liver, gizzard, heart, intestine were noted in treated group C comparatively, highest spleen weight was in group B and in group A (control) the minimum weight of spleen was noted and the average blood profile of broiler chicks in different groups, the white blood cells was significantly higher in group D followed by group A, group B and C. Red blood cells was significantly (P < 0.05) better in group C. Haemoglobin was significant differences in different groups of trial. A significant (P < 0.05) difference in Packed cells volume in group A followed by group B, C and D. Total protein in group A was minimum followed by group B, C and D, respectively. From the present study, it was concluded that supplementation of 0.075 g/kg phytase enzyme has a better effect on growth performance and blood profile of broiler.
Highlights
The poultry sector one of the highest energetic sections in different organized of the industries of agriculture in Pakistan
Feed conversion ratio was significantly (p < 0.05) higher in group C, followed by other groups the non-significantly variance founded respectively, the highest weight of liver, gizzard, heart, intestine were noted in treated group C comparatively, highest spleen weight was in group B and in group A the minimum weight of spleen was noted and the average blood profile of broiler chicks in different groups, the white blood cells was significantly higher in group D followed by group A, group B and C
It was concluded that supplementation of 0.075 g/kg phytase enzyme has a better effect on growth performance and blood profile of broiler
Summary
Phytase enzyme use in the feed industry enzymes in the feed industry has mostly been used for poultry to neutralize the effects in cereals viscous, polysaccharides. These antinutritive carbohydrates are undesirable, as in the diet they reduce absorption and digestion of all nutrients, especially protein and fat. Several other enzyme products are currently being evaluated in the poultry feed industry to assist in the digestion of starch in early-weaned animals and to neutralize certain antinutritive factors in noncereal feedstuffs. The phytase enzyme reduces the inorganic phosphorus quantity (40% in broilers) which is needed in poultry diet, in environment decreases the excreted amount makes more phosphorus available for the bird Simons, [7]; the importance of enzyme using in animal feed. In many others scientists and scholars’ research focused on the testing of efficacy and identification of the former for use of Phytase enzyme in the animal feed industry ability to hydrolyze Phytic acid in the gastro intestinal tract [2b]; according to researcher that phytase enzyme has been hard to achieve native microbial phytase enzymes for poultry use [8]; by some processes such as Thermo protective and genetic transformation is an effort to attain these favorite characteristics where, several microbial phytase have been changed [9]; there are much more phytase enzymes which are derived from various types of micro-organisms (fungi and bacteria) and commercially available to the poultry feed industries [10]; in different population groups of poultry chick blood chemistry profile comparison with nutrient intake might designate the need for adjustment of certain nutrients downward/upward [11]
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