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Using probiotics to improve the utilization of chopped dried date palm leaves as a feed in diets of growing Farafra lambs

Hamdon, H. A., Kassab, A. Y., Vargas-Bello-Pérez, E. ORCID: https://orcid.org/0000-0001-7105-5752, Abdel Hafez, G. A., Sayed, T. A., Farghaly, M. M. and Kholif, A. E. (2022) Using probiotics to improve the utilization of chopped dried date palm leaves as a feed in diets of growing Farafra lambs. Frontiers in Veterinary Science, 9. 1048409. ISSN 2297-1769

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To link to this item DOI: 10.3389/fvets.2022.1048409

Abstract/Summary

The study determined the ability of three probiotics to improve the nutritional value of date palm leaves in diets of growing lambs. Twenty male Farafra lambs (26 ± 0.33 kg) were randomly allocated to one of four treatments (n = 6) and fed: a control or basal diet (C; 70% concentrate + 30% date palm leaves without additives) and supplemented with Bacillofort containing 2 × 1011 CFU of Bacillus subtilis/g (BAC treatment), Lacotpro containing 1 × 1012 CFU of Lactobacillus acidophilus/g (LAC treatment) or ZAD containing 6 × 108 CFU of R. albus/g (ZAD treatment) at 4 g of all additives for 150 days. As a result of this study, LAC improved (P < 0.05) growth performance and feed efficiency compared to control. Additives increased (P = 0.001) concentrations of albumin, triiodothyronine, and thyroxine, hemoglobin concentration and red blood cells and decreased (P = 0.001) globulin and urea-N. Additives increased hot carcass (P = 0.040) while BAC increased Longissimus dorsi, meat and fat without affecting water holding capacity compared to other treatments. In the metabolism experiment, BAC increased the digestibility of crude protein, while BAC and ZAD increased the digestibility of dry matter, organic matter, and neutral detergent fiber. Additives did not affect nitrogen (N) intake and urinary N; however, decreased fecal N and increased N balance compared to the control. BAC and ZAD increased ruminal volatile fatty acids concentration compared to the control. Based on our results, Lacotpro could be used to improve growth performance and feed efficiency, while Bacillofort could be used to improve meat quality of in lambs.

Item Type:Article
Refereed:Yes
Divisions:Life Sciences > School of Agriculture, Policy and Development > Department of Animal Sciences
ID Code:108754
Uncontrolled Keywords:Veterinary Science, blood metabolites, date palm leaves, digestibility, performance, wheat straw
Publisher:Frontiers

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