Assessment of Grewia oppositifolia leaves as crude protein supplement to low-quality forage diets of sheep

Khan, Nazir Ahmad; Habib, Ghulam

doi:10.1007/s11250-012-0074-8

Cited by 20 publications

(10 citation statements)

References 11 publications

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“…The amount (g/day) of N retained in the body increased significantly (P<00.01) from 2.34 to 14.45 g/day with the substitution of elephant grass with Z. tetragona (Table 2). This findings suggest that the additional N supplied by Z. tetragona forage was efficiently utilised and resulted in a greater N retention as also recently found by Khan and Habib (2012) using peanut (Arachis hypogaea) forage. Apparent in vivo digestibility of DM and CP showed that in sheep fed Z. tetragona the CP digestibility was improved (P=0.003), whereas DM digestibility was unaffected by dietary treatment.…”

Section: Resultssupporting

confidence: 80%

“…This reflects both the potentially lower production costs per unit of energy associated with some alternative forage crops and the ability of some of these crops to increase total dry matter (DM) intake and improve animal productions (Khan and Habib, 2012;Tufarelli et al, 2012). Leaves of browse species are potential source of nutrients that could be used to improve the production of ruminants consuming tropical pastures of low nutritive value (Barakat et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Evaluation ofZapoteca tetragonaForage as Alternative Protein Source in Ruminants’ Feeding

Bansi

Wina

Matitaputy

et al. 2014

Italian Journal of Animal Science

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The aim of this study was to determine the nutritional characteristics of Zapoteca tetragona (Willd.) H. Hern to assess the suitability of this plant for ruminant nutrition. The nutritional evaluation consisted of in vitro and in vivo trials. Secondary compounds including total phenols, condensed tannin and non-protein amino acids (NPAA) were determined. Two stage in vitro digestibility was conducted using substrates with increasing levels of Z. tetragona replacing elephant grass (Pennisetum purpureum) as control feed. The inclusion of 30% Z. tetragona was compared to 100% elephant grass by in vitro gas production technique and in vivo digestibility trial using sheep. Forage from Z. tetragona was appreciably high in crude protein (CP) and lower in neutral detergent fibre. Moreover, it was rich in Ca and P. Total phenols, condensed tannin and NPAA contents were very low. In vitro gas production technique showed that after 48 h incubation, the gas produced from Z. tetragona was higher than elephant grass (P<0.05). Increasing level of Z. tetragona led to better dry matter (DM) and CP digestibility compared to elephant grass. In vivo trial showed no difference in DM intake between the two tested feed, however higher CP intake was reported when sheep fed Z. tetragona as well as for CP digestibility and N retention (P<0.05). It can be concluded that Z. tetragona has a strong potential as forage crop with valuable nutritional quality. Moreover, Z. tetragona could represent an alternative feedstuff to conventional forage and a promising substitute fodder in tropical ecosystem.

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Section: Resultssupporting

confidence: 80%

Section: Introductionmentioning

confidence: 99%

Evaluation ofZapoteca tetragonaForage as Alternative Protein Source in Ruminants’ Feeding

Bansi

Wina

Matitaputy

et al. 2014

Italian Journal of Animal Science

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“…Forages, in fresh or conserved form (hay and silage), are a natural, and often a major, source of low‐cost nutrients for ruminant livestock under most dietary regimes, and as such the efficient utilization of this resource can improve farm profitability and provide long‐term sustainability for all types of livestock production systems 1 . The pastures in the natural rangelands of northern Pakistan are a major source of feed and nutrients for grazing livestock – particularly those raised under the transhumant, nomadic, and sedentary farming systems 2‐4 . However, as in other (sub)‐tropical developing countries, the quantity and quality of pastures in natural rangelands are declining due to consistent overgrazing and recurrent droughts.…”

Section: Introductionmentioning

confidence: 99%

Chemical composition, ruminal degradation kinetics, and methane production (in vitro) of winter grass species

et al. 2020

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BACKGROUND Information about the nutritive value, dry matter (DM) digestibility, and methane (CH4) emission potential of grass species is required for their optimal utilization in ruminant rations. The present study was designed: (i) to quantify the nutrient profile, mineral composition and in vitro dry matter digestibility (IVDMD) of winter grass species commonly available in northern Pakistan; and (ii) to measure the in vitro gas production (IVGP) and CH4 emission of the grass species during 72 h in vitro ruminal fermentation. Seven grass species, namely, Cenchrus ciliaris, Setaria anceps, Panicum antidotale, P. maximum, Pennisetum purpureum, Pennisetum orientale, and Atriplex lentiformis were assessed. RESULTS A high level of variability (P < 0.001) was observed among grass species for the content of all measured nutrients, IVDMD, IVGP, and CH4‐production. Notably, the content (g kg−1 DM) of crude protein varied from 59.8 to 143.3, neutral detergent fiber from 560.3 to 717.9, IVDMD from 375.1 to 576.2, and 72 h cumulative IVGP from 97.6 to 227.4 mL g−1 organic matter (OM) and CH4 from 48 to 67 mL g−1 OM. Among the grasses, P. antidotale had greater content (g kg−1 DM) of crude protein (CP) (143.3), IVDMD (576.2), and 72 h cumulative IVGP (227.4 mL g−1 OM), and produced the smallest amount of total CH4 (48 mL g−1 OM) during 72 h fermentation. In contrast, A. lentiformis had the lowest content (g kg−1 DM) of CP (59.8), IVDMD (375.1), 72 h cumulative IVGP (97.6 mL g−1 OM), and produced a greater amount of total CH4 (67 mL g−1 OM) during 72 h fermentation. CONCLUSION The findings of the current study highlight that it is possible to select and further develop grass species with high nutritional value and lower CH4‐production, which can improve livestock productivity, farm profitability, and long‐term environment sustainability. © 2020 Society of Chemical Industry

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“…Livestock production, and the small-holding and the extensive grazing (transhumant, nomadic and sedentary farming) livestock production systems in Pakistan lack long-term sustainability, due to declining quantity and quality green forages and pastures, particularly during extended summer and winter dry periods (Khan and Habib, 2012;Khan et al, 2015b). Moreover, the conventional concentrates such as oilseeds and cereal grain byproducts are increasingly becoming scarce and expensive, and most of the smallholder subsistence farmers could not afford to feed high-cost commercial concentrates to their animals for a longer period (Habib et al, 2016a, b).…”

Section: Introductionmentioning

confidence: 99%

Variations in water relations, stomatal characteristics, and plant growth between quinoa and pea under salt-stress conditions

Khan

Rahman

Cone³

2019

PAK.J.BOT.

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Livestock production, and small scale and extensive grazing livestock production systems in Pakistan lack longterm sustainability due to declining quantity and quality of green forages and pastures. Information on the nutritional value of range/pasture and cultivated grass species is required to design proper strategies not only for nutritional management of grazing animals, but also for development of good quality forage resources. Therefore, the current study was planned to: (i) analyze the chemical profile of traditional and novel grasses grown in Peshawar; (ii) quantify the methane emission potential of the grass species; and (iii) quantify the differences among species in thei r nutritive value and methane emission. Ten grass species, namely, Sudex (Sorghum × sudangrass), Jumbo grass (Sorghum bicolour× Sorghum sudanefe), Sorghum almum, Pennisetum purpureum, Vetiveria zizanioides, Panicum colaratum, Cynodon dactylon, Bothriochloa pertusa, Splenda setaria and Desmostachya bipinnata were evaluated under uniform agronomic and environmental conditions. The results showed that the contents of all measured chemical components, mineral profile (except Zn), In vitro digestibility of dry matter (DMD), and In vitro gas (GP) and methane-production had large variation among the grass species. Among the grasses, Jumbo grass had greater CP (11.9% DM) content and In vitro DMD (65.9% DM), and produced greater amount of total gas, that contained lowest proportion of methane. In contrast, D. bipinnata had lowest contents of CP (6.3% DM) and In vitro DMD (43.7% DM), and produced lower amount of total gas, with highest proportion methane in total GP. Next to D. bipinnata, V. zizanioides had lower degradability/GP and highest proportion of methane in total gas. The large variation in chemical composition, DMD and methane-emission potential of the summer grass species presents a prospect to select and further develop grass species that have lower methane-emission potential and high nutritional value. Further research is needed to investigate the changes in chemical profile, DMD and methane-emission of forage species between seasons and with maturity.

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Assessment of Grewia oppositifolia leaves as crude protein supplement to low-quality forage diets of sheep

Cited by 20 publications

References 11 publications

Evaluation ofZapoteca tetragonaForage as Alternative Protein Source in Ruminants’ Feeding

Evaluation ofZapoteca tetragonaForage as Alternative Protein Source in Ruminants’ Feeding

Chemical composition, ruminal degradation kinetics, and methane production (in vitro) of winter grass species

Variations in water relations, stomatal characteristics, and plant growth between quinoa and pea under salt-stress conditions

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