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Information Journal Paper

Title

The effect of different levels of saponin on digestibility, ruminal and blood parameters in Baluchi male sheep

Pages

  57-69

Abstract

 Background and objectives: Due to the current drought condition and the rising cost of production, the productivity of any feedstuff that can be used to feed livestock has become inevitable. The use of agricultural residues, while estimating some of the needs of low-cost livestock, often faces problems such as the presence of anti-nutritional compounds such as tannins and saponins. This experiment was designed and performed to investigate the effect of saponin on the fermentation, functional and metabolic parameters of Baluchi sheep. Materials and Methods: This experiment was performed using 3 Baluchi male sheep with an average live weight of 40±, 2 kg, which were about 9 months old, in the form of a change-over design in three 21-day periods including 14 days of adaptation and 7 days of the sampling period. Experimental treatments included different dietary levels of pure saponin in proportions of 0, 60, and 120 mg/kg dry matter. The experimental diet was adjusted based on the nutritional needs of Baluchi male sheep using SRNS software version 2007, which included a mixture of forage and concentrate in 50: 50 ratios. The rations were thoroughly mixed and provided to the animals in two meals in the morning (08: 00) and the evening (20: 00). The animals had free access to water and feed during the experimental period. The obtained statistical data were evaluated in the form of a change-over design using SAS 9. 1 software. Blood samples were harvested from the jugular vein for serum blood metabolites. To collect plasma, blood samples were transferred test tubes and after 15 minutes at room temperature, centrifuged (for 15 minutes at 1509 × g) and their plasma was collected, then transferred to sterile microtubes. The serum was stored at-20°, C until further analysis. Results: The results of the above experiment showed that the addition of saponin had no significant effect on the apparent digestibility of dry matter, organic matter, crude protein, insoluble fibers in neutral detergent (NDF), and insoluble fibers in acidic detergent (ADF). Data indicated that experimental treatments did not have significant effects on urea, triglyceride, and blood glucose levels. The amount of cholesterol in the blood was affected by saponin. Therefore, animals that received 60 or 120 mg saponin had significantly lower cholesterol than the control (P>0/05). Although ammonia nitrogen during pre-feeding and 2 or 4 h after feeding was not affected by treatments overall the mean ammonia was affected by saponin level, so by increasing saponin in the diet trend was to decrease ammonia nitrogen compare to the control. Accumulation of saponin in the rumen altered the rumen environment and decreased its pH level in Baluchi sheep. Conclusion: The results of the present experiment showed that increasing the amount of saponin in the diet reduced the nitrogen level of ruminal urea and some blood parameters, which can have destructive effects on animal growth. Increasing saponin to levels above 60 mg/kg of dry matter in the diet has led to a significant reduction in blood cholesterol. Based on the data of this experiment and the results reported in different experiments, it is recommended that the dietary inclusion of saponin be targeted and limited as a feed to reduce the side effects on the animal's performance and health.

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    APA: Copy

    Tahmasbi, Abdolmansor, Vakili, Seyed Alireza, DANESH MESGARAN, MOHSEN, Movahednasab, Mehrdad, Khaje Mahmoodi, Mohsen, & Hamedi, Melika. (2022). The effect of different levels of saponin on digestibility, ruminal and blood parameters in Baluchi male sheep. JOURNAL OF RUMINANT RESEARCH, 10(3 ), 57-69. SID. https://sid.ir/paper/1058138/en

    Vancouver: Copy

    Tahmasbi Abdolmansor, Vakili Seyed Alireza, DANESH MESGARAN MOHSEN, Movahednasab Mehrdad, Khaje Mahmoodi Mohsen, Hamedi Melika. The effect of different levels of saponin on digestibility, ruminal and blood parameters in Baluchi male sheep. JOURNAL OF RUMINANT RESEARCH[Internet]. 2022;10(3 ):57-69. Available from: https://sid.ir/paper/1058138/en

    IEEE: Copy

    Abdolmansor Tahmasbi, Seyed Alireza Vakili, MOHSEN DANESH MESGARAN, Mehrdad Movahednasab, Mohsen Khaje Mahmoodi, and Melika Hamedi, “The effect of different levels of saponin on digestibility, ruminal and blood parameters in Baluchi male sheep,” JOURNAL OF RUMINANT RESEARCH, vol. 10, no. 3 , pp. 57–69, 2022, [Online]. Available: https://sid.ir/paper/1058138/en

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