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Feeding Value Assessment of Five Varieties Whole-Plant Cassava in Tropical China.
- Source :
- Fermentation (Basel); Jan2024, Vol. 10 Issue 1, p45, 10p
- Publication Year :
- 2024
-
Abstract
- The feeding value of five varieties of whole-plant cassava (SC5, SC7, SC9, SC14, and SC205) was assessed through analysis of the nutritional composition and in situ ruminal degradability. The results showed abundant nutrients in whole-plant cassava, and the means of starch and crude protein (CP) were 267.7 and 176.8 (g kg<superscript>−1</superscript>), and ranged from 223.7 g kg<superscript>−1</superscript> (SC9) to 296.4 g kg<superscript>−1</superscript> (SC14) and from 142.4 g kg<superscript>−1</superscript> (SC5) to 195.8 g kg<superscript>−1</superscript> (SC9) (p < 0.05), respectively. Meanwhile, the moderate neutral detergent fiber (NDF) of whole-plant cassava was also observed and ranged from 266.2 g kg<superscript>−1</superscript> in SC9 to 286.6 g kg<superscript>−1</superscript> in SC14 (p < 0.05). In addition, the trace elements, such as Fe, Mn, Cu, and Zn, in whole-plant cassava were relatively enriched, and their mean concentrations were 135.8, 1225.2, 5.8, and 105.3 mg kg<superscript>−1</superscript> (p < 0.05), respectively. Both the highest essential amino acid and total amino acid concentrations were obtained in SC7 (p < 0.01). The hydrogen cyanide (HCN) content of fresh and dried whole-plant cassava ranged from 76.5 to 131.6 and from 36.0 to 56.7 mg kg<superscript>−1</superscript> (p < 0.05), respectively. The in situ dry matter ruminal degradability and metabolizable energy (ME) varied significantly (p < 0.05) and were consistently lowest and highest in SC9 and SC14, ranging from 50.9% to 80.0% and from 7.5 to 12.3 MJ kg<superscript>−1</superscript>, respectively. Collectively, all varieties of whole-plant cassava had a high feeding value, as reflected by abundant starch, minerals, amino acid, and water-soluble carbohydrates, while having a low fiber content and HCN toxicity, as well as excellent ruminal digestibility characteristics, and they could be used as a potential feed resource for ruminants. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 23115637
- Volume :
- 10
- Issue :
- 1
- Database :
- Complementary Index
- Journal :
- Fermentation (Basel)
- Publication Type :
- Academic Journal
- Accession number :
- 175052543
- Full Text :
- https://doi.org/10.3390/fermentation10010045