Estimation of microbial protein synthesis in the rumen of growing lambs based on the purine derivative excretions and the dietary forage-to-concentrate ratio
Objective: Estimating microbial protein synthesis (MPS) in the rumen of growing lambs based on the urinary excretion of purine derivatives (PDs) and forage to concentrate (F/C) ratio. Materials and Methods: 36 similar-growing male lambs (weight 32.53 ± 1.90 kg; age 93 ± 6.63 days) were used in a com...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Network for the Veterinarians of Bangladesh
2023-01-01
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| Series: | Journal of Advanced Veterinary and Animal Research |
| Online Access: | https://www.ejmanager.com/fulltextpdf.php?mno=131367 |
| _version_ | 1827783781320228864 |
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| author | Zahra Mahboobi Naser Karimi Abbas Jahanbakhshi |
| author_facet | Zahra Mahboobi Naser Karimi Abbas Jahanbakhshi |
| author_sort | Zahra Mahboobi |
| collection | DOAJ |
| description | Objective: Estimating microbial protein synthesis (MPS) in the rumen of growing lambs based on the urinary excretion of purine derivatives (PDs) and forage to concentrate (F/C) ratio.
Materials and Methods: 36 similar-growing male lambs (weight 32.53 ± 1.90 kg; age 93 ± 6.63 days) were used in a completely randomized design with four groups: a) the 20–80 F/C ratio (dry hay 10% + wheat straw 10%), b) the 20–80 F/C ratio (dry hay 0% + wheat straw 20%), c) the 10–90 F/C ratio (dry hay 5% + wheat straw 5%), d) and the 10–90 F/C ratio (dry hay 0% + wheat straw 10%) with nine replicates.
Results: Total PD and rumen MPS synthesized increased (10.98 vs. 13.25 mmol/day and 59.45 vs. 71.80 gm/day) in group d compared to group a. Dry organic matter intake (0.869 kg/day), fermentable dry organic matter (0.563 kg/day), and microbial nitrogen (N) yield (11.48 gm/day) of group d were at the maximum, but in terms of gN/kg dry organic matter (22.37 gm/kg), the mean of group c was higher than others.
Conclusion: Increasing the level of food concentrate and the gradual removal of alfalfa from the diet increased the excretion of PD and MPS in the rumen. It was also found that urinary PD monitoring is an accurate indicator for the estimation of MPS. |
| first_indexed | 2024-03-11T15:53:16Z |
| format | Article |
| id | doaj.art-ad759cedd462482f9099aec9a9c86cdb |
| institution | Directory Open Access Journal |
| issn | 2311-7710 |
| language | English |
| last_indexed | 2024-03-11T15:53:16Z |
| publishDate | 2023-01-01 |
| publisher | Network for the Veterinarians of Bangladesh |
| record_format | Article |
| series | Journal of Advanced Veterinary and Animal Research |
| spelling | doaj.art-ad759cedd462482f9099aec9a9c86cdb2023-10-25T15:01:47ZengNetwork for the Veterinarians of BangladeshJournal of Advanced Veterinary and Animal Research2311-77102023-01-0138539410.5455/javar.2023.j691Estimation of microbial protein synthesis in the rumen of growing lambs based on the purine derivative excretions and the dietary forage-to-concentrate ratioZahra MahboobiNaser KarimiAbbas JahanbakhshiObjective: Estimating microbial protein synthesis (MPS) in the rumen of growing lambs based on the urinary excretion of purine derivatives (PDs) and forage to concentrate (F/C) ratio. Materials and Methods: 36 similar-growing male lambs (weight 32.53 ± 1.90 kg; age 93 ± 6.63 days) were used in a completely randomized design with four groups: a) the 20–80 F/C ratio (dry hay 10% + wheat straw 10%), b) the 20–80 F/C ratio (dry hay 0% + wheat straw 20%), c) the 10–90 F/C ratio (dry hay 5% + wheat straw 5%), d) and the 10–90 F/C ratio (dry hay 0% + wheat straw 10%) with nine replicates. Results: Total PD and rumen MPS synthesized increased (10.98 vs. 13.25 mmol/day and 59.45 vs. 71.80 gm/day) in group d compared to group a. Dry organic matter intake (0.869 kg/day), fermentable dry organic matter (0.563 kg/day), and microbial nitrogen (N) yield (11.48 gm/day) of group d were at the maximum, but in terms of gN/kg dry organic matter (22.37 gm/kg), the mean of group c was higher than others. Conclusion: Increasing the level of food concentrate and the gradual removal of alfalfa from the diet increased the excretion of PD and MPS in the rumen. It was also found that urinary PD monitoring is an accurate indicator for the estimation of MPS.https://www.ejmanager.com/fulltextpdf.php?mno=131367 |
| spellingShingle | Zahra Mahboobi Naser Karimi Abbas Jahanbakhshi Estimation of microbial protein synthesis in the rumen of growing lambs based on the purine derivative excretions and the dietary forage-to-concentrate ratio Journal of Advanced Veterinary and Animal Research |
| title | Estimation of microbial protein synthesis in the rumen of growing lambs based on the purine derivative excretions and the dietary forage-to-concentrate ratio |
| title_full | Estimation of microbial protein synthesis in the rumen of growing lambs based on the purine derivative excretions and the dietary forage-to-concentrate ratio |
| title_fullStr | Estimation of microbial protein synthesis in the rumen of growing lambs based on the purine derivative excretions and the dietary forage-to-concentrate ratio |
| title_full_unstemmed | Estimation of microbial protein synthesis in the rumen of growing lambs based on the purine derivative excretions and the dietary forage-to-concentrate ratio |
| title_short | Estimation of microbial protein synthesis in the rumen of growing lambs based on the purine derivative excretions and the dietary forage-to-concentrate ratio |
| title_sort | estimation of microbial protein synthesis in the rumen of growing lambs based on the purine derivative excretions and the dietary forage to concentrate ratio |
| url | https://www.ejmanager.com/fulltextpdf.php?mno=131367 |
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