Mimosine Degradation as Affected by Ensiling of Leucaena leucocephala de Wit

Hongo, Fujiya; Tawata, Shinkichi; Watanabe, Yumi; Shiroma, Sadao

doi:10.2508/chikusan.57.223

Cited by 2 publications

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“…Generally the lowest nutrient digestibility was found in DLF10 compare with other two diets, DLFS0 and DLS10 which were not significantly different each other (table 3). This result also argues to the findings of Hongo et al, (1986) and Giang et al, (2016) who presented that nutrient digestibility could be increased with the supplementation of leucaena forage and silage in the diets of ruminants. Moreover, leucaena is also a rich source of minerals such as sulfur, which is can act as enhancer of rumen microbial populations (mainly cellulolytic fungi and bacteria) (Aregheore, 1999).…”

Section: Discussionsupporting

confidence: 85%

Effect of leucaena forage and silage substitution in concentrates on digestibility, nitrogen utilization and milk yield in dairy cows

Khaing

Aung²,

Htun³

et al. 2016

jaar

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This experiment was conducted to determine the effect of feeding leucaena forage and silage substitution in concentrate on the performances of dairy cows. Nine cross-bred Holstein Friesian cows (410±12kg) in the 12th week of lactation were randomly allocated to one of three treatment groups with three replicates/treatments in a completely randomized design. The three treatments were control diet without substitution of leucaena forage and silage (DLFS0), diet with substitution of leucaena forage 10% (DLF10) and diet with substitution of leucaena silage 10% (DLS10). Cows were fed treatments for 60 days. Although nutrient intakes were not significantly different (p>0.05) each other, digestibility of DLFS0 was significantly higher (p<0.05) than others. Conversely, nitrogen utilization and average milk yield of cows offered DLFS0 were significantly lower (p<0.05) than those of cows fed on DLF10 and DLS10. The highest feed cost (p<0.05) per kg of milk was found in DLFS0 and the lowest cost was observed in DLF10. Therefore, although the leucana forage and silage could be substitute up to 10% of concentrates without adverse effects on the performances of dairy cows, the substitution of leucaena forage gave the better performances than that of leucaena silage.

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Section: Discussionsupporting

confidence: 85%

Effect of leucaena forage and silage substitution in concentrates on digestibility, nitrogen utilization and milk yield in dairy cows

Khaing

Aung²,

Htun³

et al. 2016

jaar

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“…To overcome the negative impacts of leucaena feeding, animal nutritionists have tried a number of approaches including heat treatment (Tangendjaja et al . 1984, 1990), ensiling (Hongo et al 1986), wilting and leaching (Padmavathy & Shobha 1987), pelleting (Srivastava & Sharma 1998) and feeding of DHP-degrading microbes (Jones & Megarrity 1983; Akingbade et al 2002) with various degrees of success and applicability. Although inoculation with rumen bacteria capable of degrading DHP constitutes one of the most effective approaches to deal with the problems of leucaena toxicosis, its applicability by the smallholder farmers of developing countries is doubtful for a number of reasons inherent to their livestock production system.…”

Section: Introductionmentioning

confidence: 99%

Influence of iodine on nutritional, metabolic and immunological response of goats fed Leucaena leucocephala leaf meal diet

2007

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SU MMARYFifteen indigenous nondescript kids (8 . 2 kg; 8 months initial age), randomly allotted into three equal groups, were used to study the effects of supplementation of extra iodine on their performance when fed a leucaena (Leucaena leucocephala) leaf meal containing diet. Group I (CON) was fed a control concentrate supplement consisting of a conventional protein source whereas the other two groups (LL and LLI) were fed a concentrate containing leucaena leaf meal so as to supply 0 . 5 of the net crude protein (CP) requirements. Additionally, animals in group LLI were given supplemental iodine (as potassium iodide solution) at 0 . 25 mg/head/day. Wheat straw was provided ad libitum as the sole source of roughage during the 120 days of the experimental period. A metabolism trial, conducted at the end of the feeding trial, revealed no variation in the dry matter intake (DMI) among the groups. A significant (P<0 . 01) decline was evident in digestibility of CP in both the leucaena-fed groups (0 . 463 and 0 . 482 versus 0 . 586) whilst that of the other organic components remained unaffected. Animals on the LL diet exhibited lower (P<0 . 01) nitrogen retention and average daily gain (ADG) in live weight (LW). Blood collected periodically was analysed for the thyroid hormones triiodothyronine (T 3 ) and thyroxine (T 4 ) as well as other biochemical parameters. At the end of the experimental feeding, the cell-mediated immune (CMI) response of the goats was assessed by intra-dermal inoculation of phytohaemagglutinin-P and measuring the change in skin thickness at various postinoculation hours. The results revealed that the serum concentration of glucose was significantly (P<0 . 05) higher in the LLI group of animals fed leucaena with iodine. The concentration of cholesterol in serum of LL animals increased significantly (P<0 . 05) compared to the CON and LLI groups. No variation due to dietary interventions was evident in other indices of metabolic profile. While the concentration of circulating T 3 remained unaffected due to dietary intervention, that of T 4 reduced significantly (P<0 . 05) in the LL group. Moreover, the T 4 concentration in the LLI group remained similar to that of control indicative of positive impact of iodine supplementation. The immune response revealed that the skin thickness of animals in the LL group was lower (P<0 . 05) as compared to the control, indicating a compromise of CMI response due to feeding of leucaena leaf meal. Supplementation of iodine appeared to be partially effective in potentiating the response. In conclusion, iodine supplementation could be adopted as a strategic management strategy to ameliorate the negative impacts of feeding leucaena leaf meal in growing kids.

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Mimosine Degradation as Affected by Ensiling of Leucaena leucocephala de Wit

Cited by 2 publications

References 0 publications

Effect of leucaena forage and silage substitution in concentrates on digestibility, nitrogen utilization and milk yield in dairy cows

Effect of leucaena forage and silage substitution in concentrates on digestibility, nitrogen utilization and milk yield in dairy cows

Influence of iodine on nutritional, metabolic and immunological response of goats fed Leucaena leucocephala leaf meal diet

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