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Yield survey and nutritional evaluation of garlic stalk for ruminant feed

BACKGROUND: Very limited information exists on the ruminal degradation kinetics of nutrients in garlic stalk. The present study aimed to survey the annual yield of garlic stalk in Korea and determine its feed-nutritive value for ruminants. METHODS: In Experiment 1, garlic stalk was incubated in situ...

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Autores principales: Lee, Y. H., Kim, Y. I., Oh, Y. K., Ahmadi, F., Kwak, W. S.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5651561/
https://www.ncbi.nlm.nih.gov/pubmed/29085659
http://dx.doi.org/10.1186/s40781-017-0147-3
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author Lee, Y. H.
Kim, Y. I.
Oh, Y. K.
Ahmadi, F.
Kwak, W. S.
author_facet Lee, Y. H.
Kim, Y. I.
Oh, Y. K.
Ahmadi, F.
Kwak, W. S.
author_sort Lee, Y. H.
collection PubMed
description BACKGROUND: Very limited information exists on the ruminal degradation kinetics of nutrients in garlic stalk. The present study aimed to survey the annual yield of garlic stalk in Korea and determine its feed-nutritive value for ruminants. METHODS: In Experiment 1, garlic stalk was incubated in situ in the rumen of two Hanwoo steers (360 ± 15 kg body weight) and removed after 12, 24, or 48 h to determine the ruminal degradation kinetics of DM and NDF. Rice straw was also included for comparison. In Experiment 2, In Experiment 2, six male Corriedale sheep were randomized to two dietary treatments to determine the apparent digestibility of nutrients in garlic stalk. Diets included a control ration without garlic stalk (60% concentrate mix +40% ryegrass) or a treatment ration (70% control diet +30% garlic stalk). RESULTS: The Korean national yield of garlic stalk (sun-dried basis) in 2016 was estimated to be 31,910 tons, with the southern coastal regions producing the highest quantity. Compared with rice straw, garlic stalk had lower NDF, higher ADF, and greater effective degradabilities of DM and NDF, resulting in a greater TDN value (56.3%), which was higher than that obtained for rice straw (43.7%). CONCLUSION: These results provide basic information on the ruminal DM and NDF degradation kinetics of garlic stalk, which would be helpful for the efficient utilization of this by-product in ruminant diets.
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spelling pubmed-56515612017-10-30 Yield survey and nutritional evaluation of garlic stalk for ruminant feed Lee, Y. H. Kim, Y. I. Oh, Y. K. Ahmadi, F. Kwak, W. S. J Anim Sci Technol Research BACKGROUND: Very limited information exists on the ruminal degradation kinetics of nutrients in garlic stalk. The present study aimed to survey the annual yield of garlic stalk in Korea and determine its feed-nutritive value for ruminants. METHODS: In Experiment 1, garlic stalk was incubated in situ in the rumen of two Hanwoo steers (360 ± 15 kg body weight) and removed after 12, 24, or 48 h to determine the ruminal degradation kinetics of DM and NDF. Rice straw was also included for comparison. In Experiment 2, In Experiment 2, six male Corriedale sheep were randomized to two dietary treatments to determine the apparent digestibility of nutrients in garlic stalk. Diets included a control ration without garlic stalk (60% concentrate mix +40% ryegrass) or a treatment ration (70% control diet +30% garlic stalk). RESULTS: The Korean national yield of garlic stalk (sun-dried basis) in 2016 was estimated to be 31,910 tons, with the southern coastal regions producing the highest quantity. Compared with rice straw, garlic stalk had lower NDF, higher ADF, and greater effective degradabilities of DM and NDF, resulting in a greater TDN value (56.3%), which was higher than that obtained for rice straw (43.7%). CONCLUSION: These results provide basic information on the ruminal DM and NDF degradation kinetics of garlic stalk, which would be helpful for the efficient utilization of this by-product in ruminant diets. BioMed Central 2017-10-23 /pmc/articles/PMC5651561/ /pubmed/29085659 http://dx.doi.org/10.1186/s40781-017-0147-3 Text en © The Author(s). 2017 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
spellingShingle Research
Lee, Y. H.
Kim, Y. I.
Oh, Y. K.
Ahmadi, F.
Kwak, W. S.
Yield survey and nutritional evaluation of garlic stalk for ruminant feed
title Yield survey and nutritional evaluation of garlic stalk for ruminant feed
title_full Yield survey and nutritional evaluation of garlic stalk for ruminant feed
title_fullStr Yield survey and nutritional evaluation of garlic stalk for ruminant feed
title_full_unstemmed Yield survey and nutritional evaluation of garlic stalk for ruminant feed
title_short Yield survey and nutritional evaluation of garlic stalk for ruminant feed
title_sort yield survey and nutritional evaluation of garlic stalk for ruminant feed
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5651561/
https://www.ncbi.nlm.nih.gov/pubmed/29085659
http://dx.doi.org/10.1186/s40781-017-0147-3
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