Evaluation of poultry byproduct meal as a substitute for soybean meal on growing performance, blood metabolites and carcass characteristics of lambs

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KAMALI R.; CHASHNIDEL Y.; Teimouri Yanesari A.A.; MOHAJER M.

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Journal: JOURNAL OF RUMINANT RESEARCH Year:2019 | Volume:7 | Issue:1 Page(s): 1-18

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Title

Evaluation of poultry byproduct meal as a substitute for soybean meal on growing performance, blood metabolites and carcass characteristics of lambs

Author(s)

KAMALI R. | CHASHNIDEL Y. | Teimouri Yanesari A.A. | MOHAJER M. | Issue Writer Certificate

Keywords

Poultry by product mealQ2

PerformanceQ1

Carcass characteristicsQ1

Blood parameterQ1

Carcass componentsQ1

Abstract

Background and objectives: Recognition and application of high-protein foods that are produced from waste from factories in the country can be important in reducing feed costs in fattening. In addition, they are cheaper than other imported sources of protein. On the other hand, it is important to replace an optimal protein source for fast growth and balance between non-digestible and degradable protein in the rumen. The purpose of this experiment is to investigate the role of nitrogen source in the occurrence of livestock potential and the use of sub-products instead of conventional sources to reduce the cost of diet. Materials and methods: For this purpose, the feeds used during the period of fattening were balanced on the basis of experimental treatments with constant amounts of energy and protein. Seven treatments were adapted to the diet by varying the percentage of replacement rates for poultry slaughterhouse waste instead of soybean meal. The source of dietary protein is: 1-100% soybean meal, 2-67% soybean meal and 33% poultry slaughterhouse waste powder, 3-33% soybean meal and 67% poultry slaughterhouse waste powder, 4-100% poultry slaughterhouse waste powder, 5-67% soybean meal and 33% microwave-treated poultry slaughterhouse waste powder, 6-33% soybean meal and 67% microwave-treated poultry slaughterhouse waste powder and 7-100% microwave-treated poultry slaughterhouse waste powder. For each treatment, four lambs were fed. Totally, 28 lambs were tested individually for 70 days. Fat yield, economic efficiency, apparent digestibility, Blood parameters and carcass analysis of treatments were evaluated at the end of the fattening period. Results: The results showed that the replacement of soybean meal with different levels of conventional slaughterhouse waste and microwave-treated had no effect on feed Performance, including: dry matter intake, daily gain, feed conversion ratio and dietary intake. Treatments 2 with the lowest digestibility (50. 90%) had a significant difference in comparison to other treatments (P<0. 05). Feed costs per kilogram of weight gain for treatments 3, 4, 6, 7 and 4 were reduced by 15, 7, 6 and 5 percent, respectively, compared to treatment 1, which contained 100 percent protein sources of soybean meal. Blood urea nitrogen is very significant for treatment of 100% protein sources from soybean meal with treatment 5 (P<0. 01), and the comparison of mean for slaughterhouse waste type and replacement levels showed a very significant difference (P<0. 01). High density lipoprotein of treatments 4, 5, 6 and 7 had significant difference in comparison to control group (treatment 1) (P<0. 01) and comparison of mean for the type and level of waste powder replacement Slaughterhouse showed a very significant difference (P<0. 01). No significant difference was observed between treatments for carcass weight, But for weight, thigh, hand, liver and heart weight, there was a significant difference between type and replacement levels (P<0. 05). Conclusion: Overall, the results of this study showed that the slaughterhouse waste pests of conventional type (without treatment) and type of microwave processing had no effect on fattening Performance (weight gain, conversion ratio and food efficiency) of lambs. Furthermore, its replacement levels with soybean meal, up to 100%, while maintaining the characteristics of fattening traits, have a favorable economic return.

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APA: Copy

KAMALI, R., CHASHNIDEL, Y., Teimouri Yanesari, A.A., & MOHAJER, M.. (2019). Evaluation of poultry byproduct meal as a substitute for soybean meal on growing performance, blood metabolites and carcass characteristics of lambs. JOURNAL OF RUMINANT RESEARCH, 7(1 ), 1-18. SID. https://sid.ir/paper/244064/en

Vancouver: Copy

KAMALI R., CHASHNIDEL Y., Teimouri Yanesari A.A., MOHAJER M.. Evaluation of poultry byproduct meal as a substitute for soybean meal on growing performance, blood metabolites and carcass characteristics of lambs. JOURNAL OF RUMINANT RESEARCH[Internet]. 2019;7(1 ):1-18. Available from: https://sid.ir/paper/244064/en

IEEE: Copy

R. KAMALI, Y. CHASHNIDEL, A.A. Teimouri Yanesari, and M. MOHAJER, “Evaluation of poultry byproduct meal as a substitute for soybean meal on growing performance, blood metabolites and carcass characteristics of lambs,” JOURNAL OF RUMINANT RESEARCH, vol. 7, no. 1 , pp. 1–18, 2019, [Online]. Available: https://sid.ir/paper/244064/en

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