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All Outputs (34)

Effects of feeding earthworm or vermicompost on early life performance of broilers under challenging dietary conditions (2024)
Journal Article
Daş, G., Brameld, J. M., Parr, T., Seyedalmoosavi, M. M., Görs, S., & Metges, C. C. (2024). Effects of feeding earthworm or vermicompost on early life performance of broilers under challenging dietary conditions. Poultry Science, 103(12), Article 104341. https://doi.org/10.1016/j.psj.2024.104341

We investigated if feeding earthworms (EW) or vermicompost (VC) to broilers improves performance and aids in coping with dietary challenges from a soluble non-starch polysaccharide (NSP)-enriched diet (negative control diet; CON-).... Read More about Effects of feeding earthworm or vermicompost on early life performance of broilers under challenging dietary conditions.

Comparative analyses of the nutritional and antinutritional composition of pod flours from Neltuma spp. (Fabaceae, Caesalpinioideae) species from drylands of Mexico, Kenya and Tanzania (2024)
Journal Article
Gonzalez-Carranza, Z. H., Bone, G., Castro-Castro, A., Gonzalez-Elizondo, M. S., Soto-Luzania, X., López-Franco, Y. L., Koech, O., Parr, T., Kilawe, C. J., Velázquez-Quiñones, S. E., González -Laredo, R. F., & Rios-Saucedo, J. C. (2024). Comparative analyses of the nutritional and antinutritional composition of pod flours from Neltuma spp. (Fabaceae, Caesalpinioideae) species from drylands of Mexico, Kenya and Tanzania. Future Foods, 10, Article 100434. https://doi.org/10.1016/j.fufo.2024.100434

Identifying novel risk-resilient diets is urgent to address food insecurity and tackle global hunger and malnutrition. This study evaluated the suitability of mesquite (Neltuma spp.) pod flours as food staples for human nourishment and compared nutri... Read More about Comparative analyses of the nutritional and antinutritional composition of pod flours from Neltuma spp. (Fabaceae, Caesalpinioideae) species from drylands of Mexico, Kenya and Tanzania.

Active vitamin D increases myogenic differentiation in C2C12 cells via a vitamin D response element on the myogenin promoter (2024)
Journal Article
Alliband, K. H., Parr, T., Jethwa, P. H., & Brameld, J. M. (2024). Active vitamin D increases myogenic differentiation in C2C12 cells via a vitamin D response element on the myogenin promoter. Frontiers in Physiology, 14, Article 1322677. https://doi.org/10.3389/fphys.2023.1322677

Background: Skeletal muscle development during embryogenesis depends on proliferation of myoblasts followed by differentiation into myotubes/multinucleated myofibers. Vitamin D (VD) has been shown to affect these processes, but there is conflicting e... Read More about Active vitamin D increases myogenic differentiation in C2C12 cells via a vitamin D response element on the myogenin promoter.

Changes in nutrient composition and gene expression in growing mealworms (Tenebrio molitor) (2023)
Journal Article
Lopez-Viso, C., Castellanos-Uribe, M., May, T., Brameld, J., Salter, A., & Parr, T. (2023). Changes in nutrient composition and gene expression in growing mealworms (Tenebrio molitor). Journal of Insects as Food and Feed, 10(4), 601-610. https://doi.org/10.1163/23524588-20230143

Insects are of high interest as a sustainable source of nutrients to be included in the food production system. The larvae of Tenebrio molitor, commonly known as yellow mealworms (MW), have a high protein content, which means potential applications i... Read More about Changes in nutrient composition and gene expression in growing mealworms (Tenebrio molitor).

Fermentation technology enhances the nutritional quality of underutilized Bambara groundnut – a review (2023)
Journal Article
Tee, A. J., Lim, Y. S., Brameld, J. M., Massawe, F., Parr, T., & Salter, A. M. (2023). Fermentation technology enhances the nutritional quality of underutilized Bambara groundnut – a review. Food Biotechnology, 37(2), 106-135. https://doi.org/10.1080/08905436.2023.2201307

Bambara groundnut (BG) offers great potential for sustainable food and nutritional security in the face of a growing population and changing climate. However, its utilization remains restricted by the hard-to-cook phenomenon of seed and the presence... Read More about Fermentation technology enhances the nutritional quality of underutilized Bambara groundnut – a review.

The effects of exogenous fibrolytic enzymes on the in vitro release of xylooligosaccharides and monosaccharides varies across six varieties of wheat (2022)
Journal Article
Dale, T., Bedford, M. R., King, J., Tucker, G. A., Brameld, J. M., & Parr, T. (2023). The effects of exogenous fibrolytic enzymes on the in vitro release of xylooligosaccharides and monosaccharides varies across six varieties of wheat. Animal Feed Science and Technology, 295, Article 115526. https://doi.org/10.1016/j.anifeedsci.2022.115526

Wheat is a widely used cereal grain for pig and poultry feeds globally. Despite this, there are noticeable differences in its nutritive value, potentially due to varying characteristics like inherent non-starch polysaccharide (NSP) content and compos... Read More about The effects of exogenous fibrolytic enzymes on the in vitro release of xylooligosaccharides and monosaccharides varies across six varieties of wheat.

In vitro Effects of Biologically Active Vitamin D on Myogenesis: A Systematic Review (2021)
Journal Article
Alliband, K. H., Kozhevnikova, S. V., Parr, T., Jethwa, P. H., & Brameld, J. M. (2021). In vitro Effects of Biologically Active Vitamin D on Myogenesis: A Systematic Review. Frontiers in Physiology, 12, Article 736708. https://doi.org/10.3389/fphys.2021.736708

Vitamin D (VD) deficiency is associated with muscle weakness. A reduction in the incidence of falls in the elderly following VD supplementation and identification of the VD receptor within muscle cells suggests a direct effect of VD on muscle, but li... Read More about In vitro Effects of Biologically Active Vitamin D on Myogenesis: A Systematic Review.

Suitability of insects for animal feeding. (2021)
Book Chapter
Hawkey, K., Brameld, J., Parr, T., Salter, A., & Hall, H. (2021). Suitability of insects for animal feeding. In H. Hall, E. Fitches, & R. Smith (Eds.), Insects as Animal Feed: Novel Ingredients for Use in Pet, Aquaculture and Livestock Diets (26-38). CAB International. https://doi.org/10.1079/9781789245929.0004

This chapter explores the nutritional composition of insects and the potential benefits and drawbacks for their inclusion into pet, poultry, pig, ruminant and aquatic animal feeds. Six species are most commonly described for use in animal feed, namel... Read More about Suitability of insects for animal feeding..

98 The effect of mezquite pod flour in a wheat-based diet on broiler chicken growth performance (2021)
Presentation / Conference Contribution
Bone, G., Parr, T., Brameld, J., Elmes, M., Gonzalez-Carranza, Z., & Koech, O. (2021). 98 The effect of mezquite pod flour in a wheat-based diet on broiler chicken growth performance. Animal - Science proceedings, 12(1), 77. https://doi.org/10.1016/j.anscip.2021.03.099

Application Inclusion of Mezquite pod flour in broiler chicken diets significantly reduced weight gain, this could inform a recommendation against the use of non-processed Mezquite in broiler chicken diets. Introduction Mezquite is an under-utilised... Read More about 98 The effect of mezquite pod flour in a wheat-based diet on broiler chicken growth performance.

Response of the porcine MYH4-promoter and MYH4-expressing myotubes to known anabolic and catabolic agents in vitro (2021)
Journal Article
Brearley, M. C., Loczenski-Brown, D. M., Loughna, P. T., Parr, T., & Brameld, J. M. (2021). Response of the porcine MYH4-promoter and MYH4-expressing myotubes to known anabolic and catabolic agents in vitro. Biochemistry and Biophysics Reports, 25, Article 100924. https://doi.org/10.1016/j.bbrep.2021.100924

© 2021 The Authors Myosin heavy chain-IIB (MyHC-IIB; encoded by MYH4 or Myh4) expression is often associated with muscle hypertrophic growth. Unlike other large mammals, domestic pig breeds express MyHC-IIB at both the mRNA and protein level. Aim: To... Read More about Response of the porcine MYH4-promoter and MYH4-expressing myotubes to known anabolic and catabolic agents in vitro.

The phosphoenolpyruvate carboxykinase (PEPCK) inhibitor, 3-mercaptopicolinic acid (3-MPA), induces myogenic differentiation in C2C12 cells (2020)
Journal Article
Brearley, M. C., Daniel, Z. C., Loughna, P. T., Parr, T., & Brameld, J. M. (2020). The phosphoenolpyruvate carboxykinase (PEPCK) inhibitor, 3-mercaptopicolinic acid (3-MPA), induces myogenic differentiation in C2C12 cells. Scientific Reports, 10, Article 22177. https://doi.org/10.1038/s41598-020-79324-9

Phosphoenolpyruvate carboxykinase (PEPCK) is a gluconeogenic enzyme with a cytosolic (Pck1/PEPCK-C) and mitochondrial (Pck2/PEPCK-M) isoform. Here we investigate the effect of 3-mercaptopicolinic acid (3-MPA), a PEPCK inhibitor, on C2C12 muscle cells... Read More about The phosphoenolpyruvate carboxykinase (PEPCK) inhibitor, 3-mercaptopicolinic acid (3-MPA), induces myogenic differentiation in C2C12 cells.

Leucine and mTORc1 act independently to regulate 2-deoxyglucose uptake in L6 myotubes (2020)
Journal Article
Yin, Q., Brameld, J. M., Parr, T., & Murton, A. J. (2020). Leucine and mTORc1 act independently to regulate 2-deoxyglucose uptake in L6 myotubes. Amino Acids, 52, 477–486. https://doi.org/10.1007/s00726-020-02829-0

© 2020, The Author(s). Chronic mTORc1 hyperactivation via obesity-induced hyperleucinaemia has been implicated in the development of insulin resistance, yet the direct impact of leucine on insulin-stimulated glucose uptake in muscle cells remains unc... Read More about Leucine and mTORc1 act independently to regulate 2-deoxyglucose uptake in L6 myotubes.

Effect of sodium 4-phenylbutyrate on clenbuterol-mediated muscle growth (2018)
Journal Article
Brown, D. M., Jones, S., Daniel, Z. C., Brearley, M. C., Lewis, J. E., Ebling, F. J., Parr, T., & Brameld, J. M. (2018). Effect of sodium 4-phenylbutyrate on clenbuterol-mediated muscle growth. PLoS ONE, 13(7), Article e0201481. https://doi.org/10.1371/journal.pone.0201481

Previously, we highlighted induction of an integrated stress response (ISR) gene program in skeletal muscle of pigs treated with a beta-adrenergic agonist. Hence we tested the hypothesis that the ER-stress inhibitor, sodium 4-phenylbutyrate (PBA), wo... Read More about Effect of sodium 4-phenylbutyrate on clenbuterol-mediated muscle growth.

Mitochondrial phosphoenolpyruvate carboxykinase (PEPCK-M) and serine biosynthetic pathway genes are co-ordinately increased during anabolic agent-induced skeletal muscle growth (2016)
Journal Article
Brown, D. M., Williams, H., Ryan, K., Wilson, T., Daniel, Z. C., Mareko, M. H. D., Emes, R. D., Harris, D. W., Wattis, J. A., Dryden, I. L., Hodgman, T. C., Brameld, J. M., & Parr, T. (2016). Mitochondrial phosphoenolpyruvate carboxykinase (PEPCK-M) and serine biosynthetic pathway genes are co-ordinately increased during anabolic agent-induced skeletal muscle growth. Scientific Reports, 6(1), https://doi.org/10.1038/srep28693

We aimed to identify novel molecular mechanisms for muscle growth during administration of anabolic agents. Growing pigs (Duroc/(Landrace/Large-White)) were administered Ractopamine (a beta-adrenergic agonist; BA; 20ppm in feed) or Reporcin (recombin... Read More about Mitochondrial phosphoenolpyruvate carboxykinase (PEPCK-M) and serine biosynthetic pathway genes are co-ordinately increased during anabolic agent-induced skeletal muscle growth.

Improving efficiency in meat production (2016)
Journal Article
Brameld, J. M., & Parr, T. (in press). Improving efficiency in meat production. Proceedings of the Nutrition Society, https://doi.org/10.1017/S0029665116000161

Selective breeding and improved nutritional management over the past 20–30 years has resulted in dramatic improvements in growth efficiency for pigs and poultry, particularly lean tissue growth. However, this has been achieved using high-quality feed... Read More about Improving efficiency in meat production.

Transcriptome analysis of mRNA and miRNA in skeletal muscle indicates an important network for differential Residual Feed Intake in pigs (2015)
Journal Article
Jing, L., Wu, H., Miao, Y., Cao, J., Brameld, J. M., Parr, T., & Zhao, S. (2015). Transcriptome analysis of mRNA and miRNA in skeletal muscle indicates an important network for differential Residual Feed Intake in pigs. Scientific Reports, 5, Article 11953. https://doi.org/10.1038/srep11953

Feed efficiency (FE) can be measured by feed conversion ratio (FCR) or residual feed intake (RFI). In this study, we measured the FE related phenotypes of 236 castrated purebred Yorkshire boars, and selected 10 extreme individuals with high and low R... Read More about Transcriptome analysis of mRNA and miRNA in skeletal muscle indicates an important network for differential Residual Feed Intake in pigs.

Differential effects of short-term β agonist and growth hormone treatments on expression of myosin heavy chain IIB and associated metabolic genes in sheep muscle (2014)
Journal Article
Hemmings, K. M., Daniel, Z. C., Buttery, P. J., Parr, T., & Brameld, J. M. (2015). Differential effects of short-term β agonist and growth hormone treatments on expression of myosin heavy chain IIB and associated metabolic genes in sheep muscle. Animal, 9(2), 285-294. https://doi.org/10.1017/s175173111400233x

Growth hormone (GH) and β agonists increase muscle mass, but the mechanisms for this response are unclear and the magnitude of response is thought to vary with age of animal. To investigate the mechanisms driving the muscle response to these agents,... Read More about Differential effects of short-term β agonist and growth hormone treatments on expression of myosin heavy chain IIB and associated metabolic genes in sheep muscle.

Dose-dependent effects of vitamin D on transdifferentiation of skeletal muscle cells to adipose cells (2013)
Journal Article
Ryan, K. J., Daniel, Z. C., Craggs, L. J., Parr, T., & Brameld, J. M. (2013). Dose-dependent effects of vitamin D on transdifferentiation of skeletal muscle cells to adipose cells. Journal of Endocrinology, 217(1), 45-58. https://doi.org/10.1530/JOE-12-0234

Fat infiltration within muscle is one of a number of features of vitamin D deficiency, which leads to a decline in muscle functionality. The origin of this fat is unclear, but one possibility is that it forms from myogenic precursor cells present in... Read More about Dose-dependent effects of vitamin D on transdifferentiation of skeletal muscle cells to adipose cells.