Voluntary intake and in vivo digestibility of different date-palm fractions by Murciano-Granadina (Capra hircus)

Pascual, Juan José Montero; Fernández, Carlos; Díaz, J.R.; Garcés, C.; Rubert-Aleman, J.

doi:10.1006/jare.1999.0622

Cited by 31 publications

(22 citation statements)

References 15 publications

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“…(2007). Chemical composition of palm leaves was similar to that reported by Pascual et al (2000), but the NDF was lower than that mentioned by Genin et al (2004). Such inconsistency in the chemical composition of DPBP may be due to the type and origin of the parent date fruit and the extraction technique used in date palm processing.…”

Section: Discussionsupporting

confidence: 86%

“…The high level of fibre content in palm leaves, pedicels and date-pits could be related in part to the climatic and local conditions prevailing in the area. Cell wall content in plants and fruits is normally increased under hotter and drier conditions (Pascual et al, 2000). Concerning the vetch-oat hay used as reference, its chemical composition was similar to that reported by Hadjigeorgiou et al (2003) for a range of grass hays.…”

Section: Discussionsupporting

confidence: 70%

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In vitro assessment of nutritive value of date palm by-products as feed for ruminants

Boufennara¹,

Bouazza²,

Antonio³

et al. 2016

Emir. J. Food Agric

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Section: Discussionsupporting

confidence: 86%

Section: Discussionsupporting

confidence: 70%

In vitro assessment of nutritive value of date palm by-products as feed for ruminants

Boufennara¹,

Bouazza²,

Antonio³

et al. 2016

Emir. J. Food Agric

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“…Based on their chemical composition, these feedstuffs could be classified as highly fibrous, as all forages showed high fibre (NDF and ADF) and lignin contents, particularly the grasses. The high level of fibre content in some of the forage species could be explained partly by the environmental conditions prevailing in the area of Bou Saâda, as high temperatures and low precipitations tend to increase the cell wall fraction and to decrease the soluble contents of the plants (Pascual et al, 2000). Our values are similar to those reported for other browse forages (Larbi et al, 1998;Ammar et al, 2005;Gasmi-Boubaker et al, 2005;Salem et al, 2006), with some differences among all studies, probably because of the different proportions of foliage and twigs in the samples and the different phenological stage of the plants at sampling (our plants were collected at a mature stage).…”

Section: ) Chemical Composition and Digestibility Of Algerian Browmentioning

confidence: 99%

Chemical composition and digestibility of some browse plant species collected from Algerian arid rangelands

Boufennara

López

Bousseboua

et al. 2012

Span. j. agric. res.

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Many wild browse and bush species are undervalued mainly because of insufficient knowledge about their potential feeding value. The objective was to evaluate some nutritional attributes of various Algerian browse and shub species (Atriplex halimus, Artemisia campestris, Artemisia herba-alba, Astragalus gombiformis, Calobota saharae, Retama raetam, Stipagrostis pungens, Lygeum spartum and Stipa tenacissima). Chemical composition, phenols and tannins concentration, in vitro digestibility, in vitro gas production kinetics and in vitro bio-assay for assessment of tannins using buffered rumen fluid, and in situ disappearence of the edible parts of the plants (leaves, thin twigs and flowers) were determined. In general, protein content in dicotyledon species was always greater than in monocotyledon grasses, these showing higher neutral and acid detergent fibre and lower lignin contents than dicots. The tannin concentrations varied considerably between species, but in general the plants investigated in this study had low tannin contents (except for Artemisia spp. and S. tenacissima). Monocots showed lower in vitro and in situ digestibilities, fermentation rate, cumulative gas production and extent of degradation than dicot species. The plants were clustered by principal components analysis in two groups: poor-quality grasses and the most digestible dicot species. Chemical composition (neutral detergent fibre and protein) and digestibility were the main influential variables determining the ranking. In conclusion, A. halimus, A. campestris, A. herba-alba and A. gombiformis can be considered of greater nutritional value than the highly fibrous and low digestible grasses (S. pungens, L. spartum and S. tenacissima) that should be considered emergency roughages.

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“…It is noteworthy, however, that the use of higher dosages of DPS (up to 4%) resulted in no morbidity and mortality during 2 months feeding, indicating that carp can resist such dosages of DPS in the diet over a long period. The improved growth rate and lower FCR seen in fish fed with 0.5% DPS in this study, compared to fish fed higher dosages or a control diet with no DPS, could be also due to the presence of a range of relevant digestive enzymes such as amylase, protease and phytase in DPS as showen by Pascual, Fernandez, Dı́az, Garces and Rubert‐Aleman (). The presence of adequate amounts of these digestive enzymes may enhance the growth performance of fish via an enhancement in nutrient digestibility and effectiveness of gastrointestinal activities as stated earlier by Al‐Qarawi et al.…”

Section: Discussionmentioning

confidence: 53%

Effect of date palm (Phoenix dactylifera ) seed extract as a dietary supplementation on growth performance immunological haematological biochemical parameters of common carp

et al. 2018

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This study aimed to assess the effect of date palm (Phoenix dactylifera) seed (DPS) extract at 0.5%, 1%, 2% and 4% as a dietary supplement over 60 days, on the growth and immune-physiology of common carp (Cyprinus carpio) fingerlings. The weight gain in fish fed with 0.5% DPS was significantly greater than other treatments and fish fed a control diet with no DPS (p < 0.05). With increasing DPS dosage above 0.5%, weight gain and growth rate gradually declined. Feed conversion ratio in fish fed 0.5% DPS was lower than other treatments, but not significantly so, except for the highest DPS concentration (4%). With respect to immunophysiological variables, fish treated with 0.5% DPS leucocyte, neutrophil, lymphocyte and monocyte counts that were generally equivalent to fish on a control diet, but significantly lower than fish treated with greater concentrations of DPS (p < 0.05). Chemilumincene response and lysozyme activity, as well as levels of total protein and albumin, were higher in all treated groups than the control. The highest levels of iron and high density lipoprotein (HDL) were observed in fish fed with 0.5% DPS, while the levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT) and alkaline phosphatase (ALP), glucose, cholesterol, triglyceride, low density lipoprotein (LDH), thyrotropin, thyroxine and triiodothyronine were lower level in fish fed with 0.5% DPS than in all other treatments. In aquaculture practice, use of 0.5% DPS in commercial carp feed can improve the growth rate and condition of fish. K E Y W O R D Scommon carp, date seed extract, growth performance, immunophysiology

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Voluntary intake and in vivo digestibility of different date-palm fractions by Murciano-Granadina (Capra hircus)

Cited by 31 publications

References 15 publications

In vitro assessment of nutritive value of date palm by-products as feed for ruminants

In vitro assessment of nutritive value of date palm by-products as feed for ruminants

Chemical composition and digestibility of some browse plant species collected from Algerian arid rangelands

Effect of date palm (Phoenix dactylifera ) seed extract as a dietary supplementation on growth performance immunological haematological biochemical parameters of common carp

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