| dc.description.abstract | This work was conducted for a period of two months from October to November 2017 at
Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh to
evaluate the effect of papaya (Carica papaya) leaves suspension (PLS) on Japanese quail.
One hundred and twenty (120) female Japanese quails (Coturnix japonica) ten days old were
randomly assigned into four groups with three replications (each containing ten birds) per
treatment to investigate the comparative efficacy of papaya leaves suspension (PLS) and
doxycycline on bacterial load and blood constituents on E. coli infected Japanese quail. For
this purpose, birds were assigned into control group (T0), E. coli treated group (T1), E. coli
plus PLS treated group (T2) and E. coli plus doxacil-vet powder treated group (T3). All
groups were supplied E. coli orally except T0 group and after 24 hours T2 & T3 groups were
treated with PLS (0.25%) and doxacil-vet powder suspension (1g/2lit) respectively. EMB
agar was used for CFU and microbial load significantly (P<0.05) decreased in T2 & T3 group
where significantly (P<0.05) increased in T0 and T1 group. TEC, Hb, PCV & ESR in different
treatment groups were almost similar and the differences were statistically non-significant
(P>0.05) except TLC which was statistically significant (P<0.05) and the highest TLC was
recorded in T2 group. Furthermore, ten days old sixty (60) female Japanese quails were
randomly assigned into two groups named T0 (control diet) and T1 (0.25% PLS) with three
replications (each containing ten birds) per treatment to investigate the effect of papaya
leaves suspension on live body weight, egg production and egg quality of Japanese quail. Egg
weight, egg shape index, shell plus membrane weight, shell plus membrane thickness, haugh
unit, albumen index and yolk index were performed for the determination of egg quality. The
body weight of T0 and T1 at 65th day were 164.95 and 182.32 g respectively which was
statistically significant (P<0.05). The Hen-day-egg production (HDEP) observed for 15 days
were 68.29% and 73.10% in T0 and T1 group respectively which statistically significant
(P<0.05). In the treatment groups the external and internal quality of eggs (Egg weight, egg
shape index, shell plus membrane weight, shell plus membrane thickness, haugh unit,
albumen index and yolk index) were almost similar and the differences were statistically nonsignificant (P>0.05). | en_US |
