Growth Pattern and Cardiovascular Response of Japanese Quails to the Administration of Parquetina nigrescens Leaf Extracts
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Abstract
Japanese quails are hardy with huge potentials to bridge protein deficiency and, Parquetina nigrescens is a medicinal plant with diverse pharmacological properties but there is dearth of information on its utilization. The study was conducted to determine the responses of Japanese quails to administration of Parquetina nigrescens leaf extracts (PNLE). Two hundred day old Japanese quails were assigned to five treatments with forty birds in four replicates in a Completely Randomized Design. The control (T1) had no administration of PNLE, T2, T3, T4, and T5 had an inclusion of 0.2, 0.4, 0.6, and 0.8ml per bird in 500ml of water respectively. The extract was obtained by harvesting and blending the leaves, using 50g of leaves in 1000ml of water. Data were collected on growth, cardiovascular response and organ morphometrics. Data were subjected to one-way Analysis of Variance using SAS (2010) package (ρ<0.05). For performance characteristics, birds administered PNLE showed no significant (ρ>0.05) difference with the exception of wing and thigh lengths (p<0.05). There was significant difference (p<0.05) in rectal temperature at the starter phase while significant difference (p<0.05) was observed in respiratory rate at the finisher phase. Administration of PNLE had no significant effect (p>0.05) on visceral organ morphometrics. Administration of 0.4ml had significantly highest (p<0.05) values for Packed Cell Volume (46.00 ±0.00%) and haemoglobin concentration (15.30 ±0.00) and significantly least values for lymphocytes (47.00 ±2.00). Significant differences (p<0.05) were observed for antioxidant parameters. The administration of PNLE had no detrimental effect on growth and cardiovascular response of the birds.
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