Effects of Substituting Soybean Meal with Fermented Rubber Leaves and Seeds (Hevea brasilliensis) on Egg Production and Egg Quality in Native Laying Hens

Syahruddin, Erman; Herawaty, R.; Azhar,

doi:10.3923/ijps.2016.325.329

Cited by 1 publication

(4 citation statements)

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“…In contrast to the findings of Syahruddin et al [24] in our study there was a decrease in laying rate when the levels of supplementation with hevea seed meal was increased. However, there was an increase of laying rate when levels of supplementation with Desmodium leaf flour increased which is contrary to results presented by Kuietche et al [8] who used diets supplemented with Desmodium uncinatum and found a decrease of laying rate with the increase of the level of the plant.…”

Section: Discussioncontrasting

confidence: 99%

“…We found the same results for guinea fowl fed diets supplemented with hevea seed meal [3]. A higher laying rate as compared to controls has also been observed previously with diet supplemented with hevea seed oil [26,27] and with diets supplemented with fermented hevea leaves and seeds [24].…”

Section: Discussionsupporting

confidence: 90%

“…Shell thickness was greater than Hyline hen's eggs [22]; similar Isa Brown hen's eggs [30]; Hisex hen's eggs [28] and commercial laying hen's eggs [31]. In the present study diet did affect eggshell thickness; which was not an effect observed in guinea fowl fed hevea seed meal [3] or in laying hens fed a diet supplemented with hevea fermented leaves and seeds [24]. A 2015 review concluded that if diet effects eggshell quality, the change is often of low magnitude, especially in young layers [32].…”

Section: Discussioncontrasting

confidence: 60%

“…In this study we used local laying hens and found the laying rate was low compared with the performance of Bovans brown hens in Egypt [20], Hyline breed in China [21,22] and in Korea [23] but higher than the production of 28-week-old local laying hens in Indonesia [24] and also higher than the production of 42-week-old local laying hens in Bangladesh [25]. The diet W presented a higher laying rate and a lower feed to egg ratio than diet Y.…”

Section: Discussionmentioning

confidence: 99%

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Productive Performance, Egg Quality and Composition in Local Laying Hens Fed Diets Including Either Desmodium tortuosum Leaf Flour or Hevea brasiliensis Seed Meal.

Koné¹,

Good²,

Kouba³

2023

Preprint

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The objective of this study was to investigate the effects, on laying performance, egg quality traits, colour and composition, of supplementing a white corn-based diet with either Desmodium tortuosum leaf flour or Hevea brasiliensis seed meal. Four hundred 32-week-old hens were distributed to 40 pens of 10 hens each and allocated to 10 dietary treatments (4 replicates per treatment) for 6 weeks. Two control groups of 40 hens received one of either diet Y, based on yellow corn, or diet W, based on white corn. The other groups received a diet based on white corn 1) supplemented with Desmodium tortuosum leaf flour at 2.5%, 5%, 7.5% or 10% (diet D) or 2) supplemented with Hevea brasiliensis seed meal at 2.5%, 5%, 7.5% or 10% (diet H). Diet D led to increased egg production with a reduced cholesterol content but a degraded (pale) yolk colour. Diet D improved laying performance and yolk colour at a reduced feed cost per egg, but had no effect on cholesterol content. In conclusion, the inclusion of Desmodium tortuosum leaf flour, in a white corn-based diet, is effective in lowering feed cost, increasing egg production and improving yolk colour.

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Section: Discussioncontrasting

confidence: 99%