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The present investigation was conducted on the comparative anatomical study of vagina (sperm storage organ) of Pati and Chara-Chemballi ducks during laying periods. The vagina was collected immediately after death and anatomical studies were made on it. The vagina was a narrow muscular tube, sharply curved and was tightly bound by ligament. The length, width thickness and weight of vagina of Chara-Chemballi ducks were significantly (p<0.01) higher than Pati duck. The lining epithelium consisted of pseudostratified columnar epithelial cells with few goblet cells. The mean height of lamina epithelialis mucosae of vagina of the present study was significantly (p<0.01) higher in Chara-Chemballi duck (26.508±0.298 μm) than Pati duck (23.058±0.330 μm). A weak PAS positive reaction was noticed in the lining epithelium of vagina of Pati and Chara-Chembali ducks. [ABSTRACT FROM AUTHOR]

The present study was conducted to evaluate the effect of a Commercial Herbal Growth Promoter (CHGP) with a combination of selective nine numbers of herbs on the performance of broiler chicken. A total of 120 day-old commercial broiler chicks having similar body weight from a single hatch were procured and chicks were randomly distributed into four groups viz, T0 (standard basal diet as control), T1 (basal diet + 1.0 % CHGP powder), T2 (basal diet + 2.0 % CHGP powder) and T3 (basal diet + 3.0 % CHGP powder) comprising 30 chicks in each groups. All the birds were managed under uniform managemental condition. The final body weight was significantly (P£0.01) highest in T2 (2059.83 g) followed by T3 (1956.67 g), T0 (1845.33 g) and T1 (1825.17 g). In respect of overall Feed Conversion Ratios (FCR), T2 group showed significantly (P£0.05) best FCR value of 1.69 followed by T3 (1.77), T0 (1.85) and T1 (1.87). The study revealed that there was increased body weight, improved FCR, higher BPEI, cent per cent livability and increased gross profit per broiler in birds offered 2% CHGP powder as herbal growth promoter. [ABSTRACT FROM AUTHOR]