Age-related development and histomorphological observations of bursa of Fabricius in sonali chicken

Ayman, Ummay; Alam, Mahtab; Das, Shonkor Kumar

doi:10.5455/jabet.2020.d103

Cited by 7 publications

(8 citation statements)

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“…The Bursa of fabricius undergoes an atrophic process depending on age and varies greatly in time [18]. The presence of infection caused the atrophy process occuring quickly.…”

Section: Discussionmentioning

confidence: 99%

The effect of using fermented lime (Citrus aurantifolia) waste powder (FLWP) on performance, lymphoid organs, and heterophil/lymphocyte ratio of broiler chickens

2021

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Objective: Fermented lime waste had potential value as a feed additive for poultry. A Bioactive compound such as citric acid in the lime waste can improve the broiler's performance and body resistance. The study purposed to evaluate the effect of using fermented lime waste powder (FLWP) on the broiler performance and body resistance.Methods: This study used 200 female broiler strain Lohman MB 202 chickens. The research design used a completely randomized design with four treatment levels of fermented lime waste powder (FLWP) by 0%, 1%, 2%, and 3% in every rations with each treatment replicated five times. The parameters observed are feed intake, feed conversion ratio, final body weight, carcass percentage, abdominal fat percentage, lymphoid organ’s relative weight, and heterophil/lymphocyte ratio (H/L ratio). Data were calculated using the analysis of variance and difference test with Duncan's Multiple Range Test. Data analysis were calculated using the SPSS 19.0 program.Results: The result indicates that using FLWP improved (p<0.05) the relative weight of the Bursa of fabricius at T0 0.11%; T1 0.19%; T2 0.19%; and T3 0.17% respectively. The FLWP at 3% level improved (p<0.05) broiler chicken’s H/L ratio. Performance, carcass percentage, and abdominal fat percentage among treatments were not influenced (p>0.05) by FLWP addition.Conclusions: It concludes that adding FLWP at a 1% level increases the relative weight of Bursa of fabricius (0.17-0.19%) without depressed performance of broiler.

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“…The Bursa of fabricius undergoes an atrophic process depending on age and varies greatly in time [18]. The presence of infection caused the atrophy process occuring quickly.…”

Section: Discussionmentioning

confidence: 99%

The effect of using fermented lime (Citrus aurantifolia) waste powder (FLWP) on performance, lymphoid organs, and heterophil/lymphocyte ratio of broiler chickens

2021

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“…In this study, it was shown that in the control group, the bursa of Fabricius follicle was still intact and developing, whereas in both treatment groups there was a degenerative development characterized by cysts (Figure 3). Based on Ayman et al [16] bursa of Fabricius was still developing until it was 56 days old chickens.…”

Section: The Effect Of Testosterone Injection On Bursa Fabriciusmentioning

confidence: 99%

Efficiency of Testosterone Administration on the Performance of Day Old Chick (DOC) Layer: Cockscomb Size, T3/T4 Ratio, and Histopathological Description of Bursa Fabricius

Yuneldi¹,

Airin²,

Saragih³

et al. 2021

Advances in Biological Sciences Research

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This study aimed to evaluate the efficiency of single and continuous testosterone injection against cockscomb size, T3/T4 ratio, and histopathological features of the bursa of Fabricius in the male layers. Sixty DOC layers were divided into 3 groups namely control (C), single testosterone injection with a dose of 3 mg/day (TO), and continues testosterone injection induced for 35 days (TC). One mL of blood was collected through the brachial vein, cockscomb measurements were performed serially every week for 5 weeks, while the bursa of Fabricius organ was carried out subsequently after the animal was sacrificed. Analysis of thyroid hormones was performed using ELISA, while the histopathological features were performed by HE staining. The results showed that cockscomb size was C: (6.29±1.62), TO: (7.79±0.21), and TC: (8.64±1.58) cm 2 . However, there was no difference between TO and TC at week 5 (P > 0.05). There was a significant decrease of the T3/T4 ratio at week 3, control: 3.24±0.18; TO: 3.76±0.39; and TC: 2.44±0.14. At the age of 35 days, crystals had been formed in the bursa of Fabricius in group TO and TC. In conclusion, testosterone injection affects cockscomb size, T3/T4 ratio, and accelerates degeneration of the bursa of Fabricius. Furthermore, the administration of a single dose of testosterone injection is more efficient than the continuous one.

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“…Young birds have larger and more active bursa. It reduces in size at the age of six months, then increases at the age of 8-10months afterwards undergoes shrinkage like thymus (5). Former studies suggest that bursa is a major organ in evoking the immune system and therefore formation of antibodies (6).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Bursal Index and Bursal Lesion Scores in Broiler Flocks

Zahedi,

Jamshidi,

Poorghasemi

2023

J Hellenic Vet Med Soc

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Background and Aims: The bursa of Fabricius (BF) is recognized as a vital organ that plays a crucial role in birds immunity. In order to determine the immunological status of the birds, this study was conducted to evaluate the bursal index, and bursal lesion scores in broilers.Materials and Methods: Therefore, a total of 200 broilers, 35-45 days of age, from 10 broiler flocks were randomly selected, weighed, then sacrificed. At necropsy, the bursa of Fabricius were obtained, examined, and weighed. Bursal index (BI) was calculated. Representative pieces of tissues from bursa of Fabricius were preserved in 10% neutral buffer formaldehyde for further histopathological evaluation.Results: The results obtained from (BI) calculated during the study period for all 22 broiler farms, revealed that more than 81% of the birds were included in bad group and less than 19% in mediocre group. Degree of microscopic lesions between different groups and even within one group varied from 0 (normal) to 5 (atrophy of BF) and included lymphoid necrosis in follicles, hyperplasia and folding of bursal inner epithelium, and formation of fibrous connective tissue within the follicles. Average bursal lesion scores for all groups under study was recorded as 2.09%.Conclusions: On the basis of all results including (BI) and bursal lesion scores it is concluded that bursal lymphoid structures suffer various degree of pathological lesions indicating suppressed immunity in broiler farms along with poor performance.

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Age-related development and histomorphological observations of bursa of Fabricius in sonali chicken

Cited by 7 publications

References 0 publications

The effect of using fermented lime (Citrus aurantifolia) waste powder (FLWP) on performance, lymphoid organs, and heterophil/lymphocyte ratio of broiler chickens

The effect of using fermented lime (Citrus aurantifolia) waste powder (FLWP) on performance, lymphoid organs, and heterophil/lymphocyte ratio of broiler chickens

Efficiency of Testosterone Administration on the Performance of Day Old Chick (DOC) Layer: Cockscomb Size, T3/T4 Ratio, and Histopathological Description of Bursa Fabricius

Evaluation of Bursal Index and Bursal Lesion Scores in Broiler Flocks

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