Effects of feeding cassava leaf meal on the growth of rabbits

Ravindran, V.; Rajadevan, P.; Goonewardene, L. A.; Rajaguru, A.S.B.

doi:10.1016/0141-4607(86)90095-8

Cited by 4 publications

(4 citation statements)

References 5 publications

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“…The theoretical calculated CP content in the present study based on the ratio 3:1 of cassava foliage and legume foliage of 194 g/kg DM was similar to the value for the mixed CA-LE feed used in the study. The condensed tannin of CA-LE feed (5.7% of DM) was similar to the value of cassava foliage previously reported by Ravindran and Rajaguru (1988), but higher than the 3.05% of DM reported by Wanapat et al (2000); 3.26% of DM by Netpana et al (2001), and 2.3% DM by Dung et al (2003). The condensed tannins are generally found in higher concentrations in mature cassava leaf (Ravindran and Rajaguru, 1988;Wanapat, 2001).…”

Section: Discussionsupporting

confidence: 84%

“…The condensed tannin of CA-LE feed (5.7% of DM) was similar to the value of cassava foliage previously reported by Ravindran and Rajaguru (1988), but higher than the 3.05% of DM reported by Wanapat et al (2000); 3.26% of DM by Netpana et al (2001), and 2.3% DM by Dung et al (2003). The condensed tannins are generally found in higher concentrations in mature cassava leaf (Ravindran and Rajaguru, 1988;Wanapat, 2001).…”

Section: Discussionsupporting

confidence: 84%

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Effects of Supplementation of Mixed Cassava (Manihot esculenta) and Legume (Phaseolus calcaratus) Fodder on the Rumen Degradability and Performance of Growing Cattle

Thang¹,

Sanh²,

Wiktorsson³

2008

Asian Australas. J. Anim. Sci

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Two experiments were conducted to assess the effect of replacing a conventional concentrate with mixed cassava (Manihot esculenta) foliage and legume (Phaseolus calcaratus) foliage. In Exp. 1, three rumen fistulated crossbred cows were used for in sacco rumen degradability studies. In vitro gas production was also studied. In Exp. 2, 11 crossbred F2 heifers (Red Sindhi×Holstein Friesian), with initial live weight of 129±6 kg and aged six months, were allocated in a Completely Randomized Design (CRD) to evaluate a mixture (ratio 3:1) of cassava and legume foliage (CA-LE feed) as a protein source compared to a traditional concentrate feed (Control) in diets based on fresh elephant grass (Pennisetum purpureum) and urea treated rice straw ad libitum. The Control feed was replaced by the CA-LE feed at levels of 0% (Control), 40% (CA-LE40), and 60% (CA-LE60) based on dry matter (DM). The in sacco degradation of CA-LE feed was higher than Control feed (p<0.05). After 48 h incubation the degradation of CA-LE feed and Control feed was 73% vs. 58% of DM and 83% vs. 65% of CP, respectively. The gas production of CA-LE feed was also significantly higher than of Control feed during the first 12 h of incubation. The results of the performance study (Exp. 2) showed that the level of CA-LE feed in the concentrate had no effect on total dry matter intake (p>0.05), but live weight gains (LWG) in CA-LE40 and CA-LE60 were significantly higher (551 and 609 g/d, respectively) than in the Control group (281 g/d). The intake of CP was higher (p<0.05) for the treatments CA-LE40 and CA-LE60 (556 and 590 g/d, respectively) compared to that of Control (458 g/d), while there was no significant difference in ME intake. The feed conversion ratio was 16.8, 9.0 and 7.9 kg DM/kg LWG in Control, CA-LE40 and CA-LE60, respectively. The feed cost of CA-LE40 and CA-LE60 corresponded to 43% and 35%, respectively, of the feed cost of Control feed. The best results were found when CA-LE feed replaced 60% of DM in Control feed and considerably decreased feed cost. It is concluded that feeding cassava foliage in combination with Phaseolus calcaratus legume as a protein supplement could be a potentially valuable strategy which leads to reduced feed costs and a more sustainable system in smallholder dairy production in Vietnam.

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Section: Discussionsupporting

confidence: 84%

Section: Discussionsupporting

confidence: 84%

Effects of Supplementation of Mixed Cassava (Manihot esculenta) and Legume (Phaseolus calcaratus) Fodder on the Rumen Degradability and Performance of Growing Cattle

Thang¹,

Sanh²,

Wiktorsson³

2008

Asian Australas. J. Anim. Sci

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“…There are abundant amounts of cassava forage available at root harvesting (Ravindran and Rajaguru, 1988), but they are underutilized and are usually put directly on to the soil as compost (Khang and Wiktorsson, 2000). A factor limiting its utilization as a feedstuff is related to the high cyanogenic glucosides content, which produces the cyanide (HCN) toxin.…”

Section: Introductionmentioning

confidence: 99%

Effects of Ensiled Cassava Tops on Rumen Environment Parameters, Thyroid Gland Hormones and Liver Enzymes of Cows Fed Urea-treated Fresh Rice Straw

Khang¹,

Wiktorsson²

2004

Asian Australas. J. Anim. Sci

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Four rumen-cannulated cows (330 kg average weight at 4 years) were used to evaluate the supplement of ensiled cassava tops (ECT) (variety KM 94, 39% DM) on rumen functions, thyroid hormones and liver enzymes. The treatments, arranged in a 4 ×4 Latin square design, were ECT at 0, 50, 100 and 150 g CP 100 kg -1 body weight (BW), and a basal diet of urea-treated fresh rice straw (UFRS) ad libitum and 1.1 kg dry matter (DM) cassava root meal (CRM) in each 30 day study period. The results showed a continuous decrease in dry matter intake (DMI) of UFRS with increasing level of ECT supplement (p<0.001). The highest total DMI was observed for treatment ECT 150 (2.68 kg DM 100 kg -1 BW day -1 ) followed by treatments ECT 100 , ECT 50 and ECT 0 , with 2.47, 2.24 and 2.06 kg DM 100 kg -1 BW⋅day -1 , respectively. Increasing levels of ECT supplement increased the concentration of total volatile fatty acids (p<0.05) and ammonia nitrogen (p<0.05) and resulted in a decrease in pH (p<0.05). Overall average plasma triiodothyronine and thyroxine concentrations were 0.80, 0.82, 0.85 and 0.69 ng ml -1 (p>0.05), and 50.9, 49.5, 50.7 and 42.4 ng ml -1 (p>0.05) for treatments ECT 0 , ECT 50 , ECT 100 and ECT 150 , respectively. There were non-significant differences in alanine aminotransferase and aspartate aminotransferase among treatments. It is concluded that ECT is a valuable protein-rich feed supplement to cattle, and the highest level of on average 2.48 kg DM ECT per cow and day (28% of total DMI) did not significantly affect thyroid gland hormones and liver enzymes in cows.

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“…Minerals such as Ca, Mg, Fe, Mn, Zn, and vitamins A and C can be found in the leaves of Manihot esculenta [ 54 ]. Hence, it can be an alternative food source to cassava’s primary consumers, who are usually from underdeveloped and developing countries, due to its low production cost and ability to withstand climate change [ 55 , 56 ]. However, the amount of Manihot esculenta leaves consumed can obstruct digestion and the absorption of nutrients due to toxic and antinutritional compounds found, such as trypsin inhibitors, tannin, phytate [ 57 ].…”

Section: Resultsmentioning

confidence: 99%

Nutritional Profiles of Four Promising Wild Edible Plants Commonly Consumed by the Semai in Malaysia

Tharmabalan

2023

Current Developments in Nutrition

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Effects of feeding cassava leaf meal on the growth of rabbits

Cited by 4 publications

References 5 publications

Effects of Supplementation of Mixed Cassava (Manihot esculenta) and Legume (Phaseolus calcaratus) Fodder on the Rumen Degradability and Performance of Growing Cattle

Effects of Supplementation of Mixed Cassava (Manihot esculenta) and Legume (Phaseolus calcaratus) Fodder on the Rumen Degradability and Performance of Growing Cattle

Effects of Ensiled Cassava Tops on Rumen Environment Parameters, Thyroid Gland Hormones and Liver Enzymes of Cows Fed Urea-treated Fresh Rice Straw

Nutritional Profiles of Four Promising Wild Edible Plants Commonly Consumed by the Semai in Malaysia

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