Environmental and Genetic Variation for Water Soluble Carbohydrate Content in Cool Season Forage Grasses

Jafari, Ali Ashraf

doi:10.5772/51575

Cited by 2 publications

(4 citation statements)

References 49 publications

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“…The energy content of feeds determines the utilization of feed proteins. Water-soluble carbohydrates play an important role in cattle nutrition as the main source of highly available energy for microbiological processes in the rumen (Evans et al 2011, Jafari 2012. In our study, pure-sown Festulolium was characterized by the highest average total WSC yield (1.10 Mg ha -1 ) which was approximately 156% higher relative to pure-sown alfalfa (0.44 Mg ha -1 ).…”

Section: Content and Yield Of Water-soluble Carbohydratesmentioning

confidence: 60%

“…The WSC:CP ratio is an indicator of protein availability for animals (Jafari 2012, Simili da Silva et al 2013, Huhtanen and Broderick 2016. For ruminants, the optimal value of the WSC:CP ratio is 0.8-1.5, and it should not be lower than 0.4.…”

Section: Carbohydrate-to-protein Ratiomentioning

confidence: 99%

“…Rapid decomposition of protein decreases the efficiency of its bacterial synthesis, which makes it difficult to meet the nutrient requirements of cattle with regard to protein digested in the small intestine. Microbial protein synthesis is also negatively affected by low concentrations of carbohydrates (Broderick 1995, Jafari 2012, Andrzejewska et al 2013. Therefore, alfalfa should be grown with grasses to minimize protein loss.…”

Section: Introductionmentioning

confidence: 99%

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The effect of different proportions of Medicago media Pers. in mixtures with Festulolium braunii (K. Richt.) A. Camus on the yield and feed value of green fodder

Olszewska

Grzegorczyk

Bałuch-Małecka

2019

AFSci

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A field experiment was performed in 2011–2013. The aim of the study was to determine the effect of different proportions of Medicago media in mixtures with Festulolium braunii on the yield and feed value of green fodder, including the content of crude protein (CP) and water-soluble carbohydrates (WSC), and the carbohydrate-to-protein ratio. It was found that alfalfa had a high competitive advantage over Festulolium. In the second and third year of full utilization, alfalfa was the predominant species in the tested mixtures regardless of the proportion of sown seeds. The mixtures with alfalfa were characterized by high and stable dry matter yields and high protein content, whereas Festulolium significantly increased the content of WSC and improved the WSC:CP ratio. The evaluated mixtures had a higher feed value than pure-sown components. The results of the study indicate that Festulolium mixtures with a lower proportion (30% and 50%) of alfalfa are characterized by a higher feed value.

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Section: Content and Yield Of Water-soluble Carbohydratesmentioning

confidence: 60%

Section: Carbohydrate-to-protein Ratiomentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The effect of different proportions of Medicago media Pers. in mixtures with Festulolium braunii (K. Richt.) A. Camus on the yield and feed value of green fodder

Olszewska

Grzegorczyk

Bałuch-Małecka

2019

AFSci

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“…Its content in temperate grasses is variable and normally low [46,47]. WSCs are completely digestible and play an important role in animal nutrition because they are a primary source of the readily available energy necessary for efficient microbial fermentation in the rumen [48]. The WSC content of the Melica uniflora plants studied was lower than that of the cultivated grass species [49] and also lower than that of the Melica uniflora plants reported by Kozłowski et al [8].…”

Section: Discussionmentioning

confidence: 92%

Nutritional Status of Wood Melick (Melica uniflora Retz.) in a Natural Forest Stand in South-Western Poland

Paszkiewicz-Jasińska

Wróbel

Stopa

et al. 2023

Forests

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Melica uniflora Retz., commonly known as wood melick, is a grass species that is native to most of Europe. Melica uniflora grows in hardwood forests near Fagus species, providing vital food and shelter for forest wildlife. The nutritional status of wood melick is not sufficiently recognized. The study aims to identify the intrapopulation variability of Melica uniflora plants collected from natural forest habitats in Poland in terms of nutritional status variability in relation to stage development and the course of weather conditions. The research was conducted for two consecutive years: 2021 and 2022, in the area of the Ślęża Massif, near the town of Sobótka in Lower Silesia voivodeship (Poland). The material for analyses was collected from 10 natural forest sites twice: in July (I) and October (II). The content of nutritive components: crude protein (CP), crude ash (CA), neutral detergent fiber (NDF), acid detergent fiber (ADF), acid detergent lignin (ADL), and water-soluble carbohydrates (WSC) was evaluated. Relative feed value (RFV), dry matter digestibility (DDM), dry matter intake (DMI), cellulose (CL), and hemicellulose (HCL) content were calculated based on ADF and NDF. Melica uniflora plants contained 75.2 g·kg−1 DM of CP, 290.6 g·kg−1 DM of CF, 120.0 g·kg−1 DM of CA, and 25.9 g·kg−1 DM of WSC. The content of NDF was 637.6 g·kg−1 DM, ADF 407.5 g·kg−1 DM, and ADL 58.0 g·kg−1 DM. The nutritional status of wood melick depended on the course of weather conditions in the following years and its location, which changed during the growing season. Plants collected in the first year of the study contained more CL, NDF, and ADF fractions and less CA, ADL, and WSC. Melica uniflora plants harvested in June were characterized by higher CP (102.1 g·kg−1 DM) and WSC (30.1 g·kg−1 DM) content and lower content of remaining nutrients. It can be concluded that Melica uniflora plants can be a valuable source of these nutrients in the forage of forest animals.

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Environmental and Genetic Variation for Water Soluble Carbohydrate Content in Cool Season Forage Grasses

Cited by 2 publications

References 49 publications

The effect of different proportions of Medicago media Pers. in mixtures with Festulolium braunii (K. Richt.) A. Camus on the yield and feed value of green fodder

The effect of different proportions of Medicago media Pers. in mixtures with Festulolium braunii (K. Richt.) A. Camus on the yield and feed value of green fodder

Nutritional Status of Wood Melick (Melica uniflora Retz.) in a Natural Forest Stand in South-Western Poland

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