Research Article

The effect of dietary protein and tannin level on fattening performance, rumen volatile fatty acid profile and methane production in lambs

Volume: 40 Number: 1 June 30, 2025
EN TR

The effect of dietary protein and tannin level on fattening performance, rumen volatile fatty acid profile and methane production in lambs

Abstract

The aim of this study was to test 2 protein levels (14% and 18%) and 2 tannin levels (0 and 4%) in fattening meat type lambs. 36 Çukurova Meat Type lambs (3/8 Rambouillet, 3/8 Ile de France, 1/8 Awassi, 1/8 Chios) having 24.69±0.87 kg initial live weight divided into 4 groups having 9 male lambs with 3 replicate consisting 3 lambs in each. Diets were formulated isocaloric. Total mixed diets were prepared containing 10% chopped alfalfa hay and 90% concentrate for each treatment. Daily gain, and feed conversion ratios were not affected by any factors (P>0.05), but feed intake was affected by protein level and protein level x tannin level interaction (P<0.01). It was investigated that factors did not affect asetic and propionic acids in rumen fluid significantly (P>0.05). However butyric and valeric acids were affected by tannin level in the diet and protein x tannin level interaction (P<0.05). Isobutyric acid was affected by both main factors and their interactions (P<0.05) While increase in protein level resulted an increase in isobutyric acid, tannin usage in the diet decreased isobutyric acid in rumen fluid. Severity of decrease in isobutyric acid in rumen fluid by using tannin in high protein diet was higher but it was lower in low protein diet. Isovaleric acid in rumen fluid was affected by dietary protein level (P<0.00) and the lambs receiving high protein diet had higher concentration (0.32 vs. 0.67 mmol/L) than those receiving low protein diet. While 24 hour total gas production was affected by protein x tannin level interaction, 24 hour methane production was affected by all factors (P<0.05). Tannin with low protein reduced total gas production, but increased in the diet having high protein. Similarly tannin did not changed 24 hour methane production with the diet low protein but increased in the diet with high protein. In conclusion, the lamb having 25 kg initial body weight was not benefited from increase in protein level in the diet and tannin usage in the diet. However tannin decreased protein degradation when the isoacids production was evaluated.

Keywords

Supporting Institution

Çukurova University Scientific Research Projects Unit

Project Number

FBA-2015-4648

References

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Details

Primary Language

English

Subjects

Animal Science, Genetics and Biostatistics

Journal Section

Research Article

Publication Date

June 30, 2025

Submission Date

January 6, 2025

Acceptance Date

March 17, 2025

Published in Issue

Year 2025 Volume: 40 Number: 1

APA
Kutay, H., & Görgülü, M. (2025). The effect of dietary protein and tannin level on fattening performance, rumen volatile fatty acid profile and methane production in lambs. Çukurova Tarım Ve Gıda Bilimleri Dergisi, 40(1), 209-216. https://izlik.org/JA43XZ99CJ
AMA
1.Kutay H, Görgülü M. The effect of dietary protein and tannin level on fattening performance, rumen volatile fatty acid profile and methane production in lambs. Çukurova J. Agric. Food. Sciences. 2025;40(1):209-216. https://izlik.org/JA43XZ99CJ
Chicago
Kutay, Harun, and Murat Görgülü. 2025. “The Effect of Dietary Protein and Tannin Level on Fattening Performance, Rumen Volatile Fatty Acid Profile and Methane Production in Lambs”. Çukurova Tarım Ve Gıda Bilimleri Dergisi 40 (1): 209-16. https://izlik.org/JA43XZ99CJ.
EndNote
Kutay H, Görgülü M (June 1, 2025) The effect of dietary protein and tannin level on fattening performance, rumen volatile fatty acid profile and methane production in lambs. Çukurova Tarım ve Gıda Bilimleri Dergisi 40 1 209–216.
IEEE
[1]H. Kutay and M. Görgülü, “The effect of dietary protein and tannin level on fattening performance, rumen volatile fatty acid profile and methane production in lambs”, Çukurova J. Agric. Food. Sciences, vol. 40, no. 1, pp. 209–216, June 2025, [Online]. Available: https://izlik.org/JA43XZ99CJ
ISNAD
Kutay, Harun - Görgülü, Murat. “The Effect of Dietary Protein and Tannin Level on Fattening Performance, Rumen Volatile Fatty Acid Profile and Methane Production in Lambs”. Çukurova Tarım ve Gıda Bilimleri Dergisi 40/1 (June 1, 2025): 209-216. https://izlik.org/JA43XZ99CJ.
JAMA
1.Kutay H, Görgülü M. The effect of dietary protein and tannin level on fattening performance, rumen volatile fatty acid profile and methane production in lambs. Çukurova J. Agric. Food. Sciences. 2025;40:209–216.
MLA
Kutay, Harun, and Murat Görgülü. “The Effect of Dietary Protein and Tannin Level on Fattening Performance, Rumen Volatile Fatty Acid Profile and Methane Production in Lambs”. Çukurova Tarım Ve Gıda Bilimleri Dergisi, vol. 40, no. 1, June 2025, pp. 209-16, https://izlik.org/JA43XZ99CJ.
Vancouver
1.Harun Kutay, Murat Görgülü. The effect of dietary protein and tannin level on fattening performance, rumen volatile fatty acid profile and methane production in lambs. Çukurova J. Agric. Food. Sciences [Internet]. 2025 Jun. 1;40(1):209-16. Available from: https://izlik.org/JA43XZ99CJ

From January 1, 2016 “Çukurova University Journal of Faculty of Agriculture” continuous its publication life as “Çukurova Journal of Agriculture and Food Sciences”.