Prospects and Problems of Dietary Glucosinolates in Animal Feeding

Tripathi, Manoj Kumar; As, Mishra

doi:10.4172/2329-888x.1000180

Cited by 10 publications

(12 citation statements)

References 30 publications

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“…Higher levels of NDF and ADF in the RSM diet likely had the largest effect on growth performance, but anti-proliferative effects of glucosinolates could also be a contributing factor [3]. Reduced palatability of glucosinolate-rich diets with consequent negative effects on feed intake is well-documented [128–130]. The concentration of glucosinolates with 20% RSM inclusion slightly exceeded the recommended limit of 2.1 mmol/kg feed for pigs [131], and some of the observed responses could therefore be attributed to biological properties of glucosinolates.…”

Section: Discussionmentioning

confidence: 99%

Effects of long-term feeding of rapeseed meal on skeletal muscle transcriptome, production efficiency and meat quality traits in Norwegian Landrace growing-finishing pigs

et al. 2019

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This study was performed to investigate the effects of dietary inclusion of 20% rapeseed meal (RSM) as an alternative to soybean meal (SBM) in a three-month feeding experiment with growing finishing pigs. Dietary alteration affected growth performance, several carcass traits and transcriptional responses in the skeletal muscle, but did not affect measured meat quality traits. In general, pigs fed the RSM test diet exhibited reduced growth performance compared to pigs on SBM control diet. Significant transcriptional changes in the skeletal muscle of growing pigs fed RSM diet were likely the consequence of an increased amount of fiber and higher polyunsaturated fatty acids, and presence of bioactive phytochemicals, such as glucosinolates. RNAseq pipeline using Tophat2-Cuffdiff identified 57 upregulated and 63 downregulated genes in RSM compared to SBM pigs. Significantly enriched among downregulated pathways was p53–mediated signalling involved in cellular proliferation, while activation of negative growth regulators ( IER5 , KLF10 , BTG2 , KLF11 , RETREG1 , PRUNE2 ) in RSM fed pigs provided further evidence for reduced proliferation and increased cellular death, in accordance with the observed reduction in performance traits. Upregulation of well-known metabolic controllers ( PDK4 , UCP3 , ESRRG and ESRRB ), involved in energy homeostasis (glucose and lipid metabolism, and mitochondrial function), suggested less available energy and nutrients in RSM pigs. Furthermore, several genes supported more pronounced proteolysis ( ABTB1 , OTUD1 , PADI2 , SPP1 ) and reduced protein synthesis ( THBS1 , HSF4 , AP1S2 ) in RSM muscle tissue. In parallel, higher levels of NR4A3 , PDK4 and FGF21 , and a drop in adropin , ELOVL6 and CIDEC/FSP27 indicated increased lipolysis and fatty acid oxidation, reflective of lower dressing percentage. Finally, pigs exposed to RSM showed greater expression level of genes responsive to oxidative stress, indicated by upregulation of GPX1 , GPX2 , and TXNI P.

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Section: Discussionmentioning

confidence: 99%

Effects of long-term feeding of rapeseed meal on skeletal muscle transcriptome, production efficiency and meat quality traits in Norwegian Landrace growing-finishing pigs

et al. 2019

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“…Phytate (22.5 mg/g) and glucosinolates (3.8 μmol/g) are the most abundant anti-nutritional factors in HSC ( 18 ). However, at these low concentrations, phytate, and glucosinolates are unlikely to have adverse effects on ruminants ( 65 , 66 ). Beneficial nutritional and phytochemical profiles of hemp by-products highlighted above provide a possible avenue for their inclusion in ruminant diets as protein sources, antioxidants and antimicrobials.…”

Section: Phytochemical Composition Of Hemp By-productsmentioning

confidence: 99%

Bioavailability and Bioefficacy of Hemp By-Products in Ruminant Meat Production and Preservation: A Review

et al. 2020

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Plant by-products obtained from agro-industrial processes require valorisation to demonstrate their potential for enhancing animal health, meat production, and shelf life extension. One example is the fast-growing hemp industry, which produces seeds, leaves, seed oil, and cake. Studies on the nutritional value of hempseed cake have shown it can be a valuable source of protein in ruminant diets. However, there is limited documentation on the bioavailability and bioefficacy of hemp phytochemicals for improving ruminant health, production, and extending meat shelf life. The current review provides an overview of existing information on nutrient and phytochemical composition of hemp by-products, their bioavailability, and bioefficacy, and explores current limitations and prospects regarding their valorisation.

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“…Another possible reason for the DMI decrease could be the presence of glucosinolates in heart of palm (Hasler 1998;Moraes and Colla 2006). These compounds are related to intake depression due to its low palatability (Tripathi and Mishra 2007;Tripathi and Mishra 2017). It is important to note that, despite the negative effects on animal feeding, the glucosinolates are able to increase unsaturated fatty acids (C22:2 and trans C18:1) in carcass and milk when supplemented at adequate quantities (Tripathi and Mishra 2007).…”

Section: Discussionmentioning

confidence: 99%

Heart-of-palm byproduct for lactating cows

Bayão

Cunha

Queiróz

et al. 2019

Journal of Applied Animal Research

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Research on the use of heart of palm by-product (HPB) as a feed for dairy cattle is needed since it is a lowcost alternative in addition avoiding environmental contamination. The objective of this study was to evaluate intake, digestibility, milk yield and composition from cows fed HPB. Sixteen Holstein cows were used. Treatments consisted of fresh sugarcane replacement (dry matter basis -DM) of HPB at levels 0%, 7.5%, 15% and 22.5%. Experimental design was randomized blocks with measures repeated in time, and data were compared by linear, quadratic and cubic contrasts. A decreasing linear effect of HPB was observed on DM, organic matter (OM), crude protein and non-fibrous carbohydrates intakes and on digestibility of DM and neutral detergent fibre. A quadratic effect was observed for metabolizable energy intake and OM digestibility. Milk yield and composition were not affected by levels of HPB added to the diet. A cubic effect was detected for fat-corrected milk (FCM) and energycorrected milk (ECM). HPB is detrimental to intake and digestibility, but the 7.5% replacement level of HPB is recommended depending on the milk production level, since rumen environment was improved, leading to greater FCM and ECM yields at lower production costs.

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Prospects and Problems of Dietary Glucosinolates in Animal Feeding

Cited by 10 publications

References 30 publications

Effects of long-term feeding of rapeseed meal on skeletal muscle transcriptome, production efficiency and meat quality traits in Norwegian Landrace growing-finishing pigs

Effects of long-term feeding of rapeseed meal on skeletal muscle transcriptome, production efficiency and meat quality traits in Norwegian Landrace growing-finishing pigs

Bioavailability and Bioefficacy of Hemp By-Products in Ruminant Meat Production and Preservation: A Review

Heart-of-palm byproduct for lactating cows

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