The impact of different levels of L-methionine (L-Met) on carcass yield traits, serum metabolites, tibial characters, and profitability of broilers fed conventional diet

Authors

  • Nasima Akter Department of Dairy and Poultry Science, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh
  • Md Saiful Islam Poultry Feed (CTG), ACI Godrej Agrovet Private Limited, Dhaka, Bangladesh
  • Sharmin Zaman Department of Dairy and Poultry Science, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh
  • Ishrath Jahan Department of Botany, University of Chittagong, Chattogram, Bangladesh
  • Mohammad Abul Hossain Department of Dairy and Poultry Science, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh

Keywords:

Broiler chicken; carcass yield; leg bone trait; L-Met; profitability; blood serum profile

Abstract

Objectives: The experiment was undertaken to investigate the performances of broilers with respect to meat yield traits, leg bone quality, blood metabolites, and economic profitability fed conventional diets supplemented with L-methionine (L-Met).

Materials and methods: Day-old broiler chicks (n = 144) of either sex were used to conduct the experiment from d1 to 33 days in a battery cage rearing system. Birds were distributed randomly into four dietary treatments, i.e., D0 (DL-Met), D1 (0.20% L-Met), D2 (0.25% L-Met), and D3 (0.30% L-Met) in a completely randomized design. Broiler chicks were fed complete starter ration for the first 2 weeks and then test diets were supplied ad libitum from d15 to 33 days. All the formu­lated rations had the same calorie and proteinous values. Similar housing, feeding, and rearing management were provided to the birds for all the experimental period. Data on carcass yield traits, such as dressing %, thigh, breast, back, drumstick, shank, neck, and wing weights, etc, were measured on the last day of the trial. Blood serum profile (total protein, glucose, albumin, uric acid, creatinine, and triglycerides), right tibial bone traits (bone weight, bone width), and mineral concentrations (Ca% and P%) were also assessed on the last day of the experiment. The economic profitability of broilers fed on the L-Met diet was also measured in this study.

Results: The results revealed that except for dressing % (p < 0.05) and back weight (p < 0.01); all other meat characteristics measured this study were found similar (p > 0.05) between treatments. The highest dressing % and back weight were observed in the D3 group and the lowest being in D0. Blood serum metabolites did not differ (p > 0.05) among treatments. Leg bone traits of broilers were found similar (p > 0.05) between treatments. Higher profit (p < 0.01) and lower production cost (p < 0.05) were observed in the birds fed the D3 diet than other treatments.

Conclusion: It can be inferred that broilers might show improved dressed yield and profitable broiler production fed on L-Met supplemented diet (D3).

Adv. Vet. Anim. Res., 7(2): 253-259, June 2020

Downloads

Download data is not yet available.
Abstract
28
PDF
34

Downloads

Published

2020-06-12

How to Cite

Akter, N., Islam, M. S., Zaman, S., Jahan, I., & Hossain, M. A. (2020). The impact of different levels of L-methionine (L-Met) on carcass yield traits, serum metabolites, tibial characters, and profitability of broilers fed conventional diet. Journal of Advanced Veterinary and Animal Research, 7(2), 253–259. Retrieved from https://banglajol.info/index.php/JAVAR/article/view/47520

Issue

Vol. 7 No. 2 (2020)

Section

Original Articles

License

Authors who publish with this journal agree to the following terms:

Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.

Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.

Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).