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Relationships of quality indices with wooden breast myopathy severity in chicken breast meat under refrigerated storage Br. Poult. Sci. (IF 2.0) Pub Date : 2024-03-11 C. Kaewkot, M.-D. Wu, F.-J. Tan
1. This study investigated the relationships of quality indices with the severity of wooden breast (WB) myopathy in chicken breast meat under refrigerated storage. The physicochemical properties, w...
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Research on duck egg recognition algorithm based on improved YOLOv4 Br. Poult. Sci. (IF 2.0) Pub Date : 2024-03-11 D. Jie, J. Wang, H. Lv, H. Wang
1. The following study addressed the problem of small duck eggs as challenging to detect and identify for pick up in complex free-range duck farm environments. It introduces improvements to the YOL...
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Limosilactobacillus reuteri peptidoglycan alleviates aflatoxin B1-induced toxicity through adsorbing toxins and improving growth, antioxidant status, immunity and liver pathological changes in chicks Br. Poult. Sci. (IF 2.0) Pub Date : 2024-03-11 F. H. Zhu, X. Y. Chen, L. L. Hou, J. H. Dong, H. W. Liu, L. Q. Zhu, F. Chen
1. The objective of this study was to investigate the protective effects of a peptidoglycan produced by Limosilactobacillus reuteri against aflatoxin B1 (AFB1) induced toxicity in vitro and in vivo...
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Effects of ferritin heavy chain on oxidative stress, cell proliferation and apoptosis in geese follicular granulosa cells Br. Poult. Sci. (IF 2.0) Pub Date : 2024-03-08 D. Jiang, X. An, Q. Xu, G. Mo, W. Ling, C. Ji, Z. Wang, X. Wang, Q. Sun, B. Kang
1. The ferritin heavy chain (FHC) has a vital impact on follicular development in geese, due to its ability to regulate apoptosis of granulosa cells (GCs) and follicular atresia. However, its speci...
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Refining dietary metabolisable energy and crude protein levels in relation to duck performance and behaviour Br. Poult. Sci. (IF 2.0) Pub Date : 2024-03-01 C. I. Lim, H. J. Choo, K. N. Heo, H. K. Kim, M. R. Hassan, S. Sulatana, I. M. Whiting, S. C. Mansbridge, V. R. Pirgozliev
1. The study evaluated the effect of dietary metabolisable energy (ME) content and crude protein (CP) level on the growth performance and behaviour of ducks.2. A total of 720, Cherry Valley ducks w...
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Sperm replacement in sperm-storage tubules causes last-male sperm precedence in chickens Br. Poult. Sci. (IF 2.0) Pub Date : 2024-03-01 M. Matsuzaki, S. Mizushima, M. Tsudzuki, T. Maeda, T. Sasanami
1. This study elucidated the last-male sperm precedence (LMSP) mechanism in chickens by examining replacement in storage tubules (SSTs) after multiple artificial inseminations (AI) and the effects ...
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Effects of soyhulls with different particle size on the growth performance, blood indices and gut microbiota of yellow feather broilers Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-28 X. Chen, C. Luo, Y. Liu, T. Li, H. Zhang, X. Feng
1. The objective of this study was to determine the effects of soyhulls with different particle sizes on the growth performance, blood indices and gut microbiota of yellow feather broilers.2. Total...
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Dietary supplementation of prebiotic yeast Saccharomyces cerevisiae cell wall promotes growth performance and intestinal health in broiler chickens challenged with Clostridium perfringens Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-28 A. H. Alqhtani, A. R. Al Sulaiman, A. S. Alharthi, A. E. Abudabos
1. This study evaluated the effectiveness of yeast (Saccharomyces cerevisiae) cell wall (YCW) supplementation on the growth performance, carcase characteristics, serum biomarkers, liver function, i...
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Bone characteristics, pre-caecal phytate degradation, mineral digestibility and tissue expression were marginally affected by zinc level and source in phytase-supplemented diets in 21-day-old broiler chickens Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-23 H. Philippi, V. Sommerfeld, A. Monteiro, M. Rodehutscord, O. A. Olukosi
1. This study determined the effect of dietary Zn concentration and source in phytase-supplemented diets on bone mineralisation, gastrointestinal phytate breakdown, mRNA-level gene expression (in j...
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Cereal type and conditioning temperature altered protein and carbohydrate molecular structure, nutrient retention and performance in broilers fed pellet diets during starter and grower period Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-23 A. Heydari, S. Khalaji, M. Yari
1. Effects of cereal type and conditioning temperature (CT) on protein and carbohydrate (CHO) molecular structures, nutrient retention, carcass and blood characteristics, caecal microbial populatio...
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In ovo injection of AZD6244 suppresses feather follicle development by the inhibition of ERK and Wnt/β-catenin pathways in goose embryos (Anser cygnoides) Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-23 Y. Wang, S. Wang, I. Mabrouk, Y. Zhou, X. Fu, Y. Song, J. Ma, X. Hu, Z. Yang, F. Liu, J. Hou, J. Yu, Y. Sun
1. Feathers are an important product from poultry, and the state of feather growth and development plays an important role in their economic value.2. In total, 120 eggs were selected for immunoblot...
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Investigation on adaptations of broiler chickens to high dietary free amino acid levels in nitrogen utilisation and plasma amino acid concentrations Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-21 A. Ibrahim, M. Rodehutscord, W. Siegert
1. A reduction in crude protein (CP) in feed for broiler chickens necessitates elevated free amino acid (AA) levels to meet the requirement of each AA. This study investigated adaptations following...
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Disturbance of mitochondrial dynamics in myocardium of broilers with pulmonary hypertension syndrome Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-21 W. Zhang, M. Li, X. Ye, M. Jiang, X. Wu, Z. Tang, L. Hu, H. Zhang, Y. Li, J. Pan
1. The following study investigated the relationship between pulmonary hypertension syndrome (PHS) and mitochondrial dynamics in broiler cardiomyocytes.2. An animal model for PHS was established by...
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Feed form and perch design do not interact to production performance, gastrointestinal tract traits, behaviour and welfare of laying hens reared in enriched cages Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-19 B. Tarım, Ş. E. Demirtaş, M. Bozkurt, A. Ö. Üstündağ, O. Eray, O. Ahlat, H. Ö. Bayır, H. Akşit, S. Kamanlı, S. Özkan, S. Yalçın, A. E. Tüzün
1. It was hypothesised that perch material and design may affect utility and maintenance energy demand in laying hens, affecting their feed form preferences and daily feed consumption. Accordingly,...
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Expression of chicken epidermal growth factor (cEGF) in Escherichia coli and regulates the microflora structure of the duodenum to improve growth performance and intestinal morphogenesis in broilers Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-19 C. Q. Shan, Q. C. Liu, J. Li, E. Liu, C. Li, H. M. Yu, G. T. Jiang, Y. Liu, J. Tian
1. A study used gene synthesis to obtain the functional domains of chicken epidermal growth factor (cEGF) and examined their impact on broiler growth performance, small intestinal morphology, diges...
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The response of turkeys to dietary balanced protein during two periods of growth Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-14 R. M. Gous, C. Fisher, E. Tumová, V. Machander, D. Chodová, J. Tyl
1. Two experiments were conducted to measure the response of growing turkeys to dietary protein content. In the first, 960 sexed British United Turkey (BUT 6) poults were used to measure the respon...
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Effects of different stocking densities on the development of reproductive and immune functions in young breeder pigeons during the rearing period Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-09 P. Xie, L. Wang, J. Zhu, Y. Liu, M. Wei, D. Gong, T. Liu
1. Stocking density (SD) is closely related to animal performance. This experiment was designed to evaluate the development of reproductive and immune functions of young pigeons under different SDs...
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Examining the relationship between different naturally-occurring maxillary beak shapes and their ability to cause damage in commercial laying hens Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-09 S. Struthers, I. C. Dunn, J. J. Schoenebeck, V. Sandilands
1. Using chicken models to avoid unnecessary harm, this study examined the relationship between naturally-occurring maxillary (top) beak shapes and their ability to cause pecking damage.2. A select...
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The pathogenicity and immune effects of different generations of Mycoplasma synoviae on chicken embryos Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-05 X. Ma, L. Wang, J. Li, Y. Guo, S. He
1. Mycoplasma synoviae (MS) is the primary causative agent of synovitis in avian species. In order to investigate the pathogenicity and immunological responses associated with MS in specific pathog...
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Efficiency of natural oils as alternative adjuvants to mineral oils in inactivated avian influenza vaccine formulation Br. Poult. Sci. (IF 2.0) Pub Date : 2024-02-02 A. F. Abdelkhalek, A. Kayed, Y. Moatasim, M. El Sayes, R. El-Shesheny, A. A. Khalil, A. El-Deeb, H. A. Hussein, A. A. El-Sanousi, G. Kayali, M. A. Ali, A. Kandeil
1. The effectiveness of inactivated vaccines depends on selecting the suitable adjuvant for vaccine formulation. The potency of vaccines with low antigen content can be improved with the appropriat...
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Holo-analysis of the effects of xylo-oligosaccharides on broiler chicken performance Br. Poult. Sci. (IF 2.0) Pub Date : 2024-01-31 N. K. Morgan, E. Kim, G. González-Ortiz
1. Xylo-oligosaccharides (XOS) stimulate proliferation of beneficial bacteria in the gastrointestinal tract of broiler chickens. This results in enhanced utilisation of dietary non-starch polysacch...
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Genome-wide association study identifies multiple loci influencing duck serum biochemical indicators in the laying period Br. Poult. Sci. (IF 2.0) Pub Date : 2024-01-29 J. Qi, H. Liu, Z. Zhou, Y. Jiang, W. Fan, J. Hu, J. Li, Z. Guo, M. Xie, W. Huang, Q. Zhang, S. Hou
1. Laying performance is an important economic trait in poultry. The blood is essential in transporting nutrients to the yolk and albumen and is necessary for egg formation.2. This study calculated...
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Novel sfericase protease improves amino acid digestibility of soybean meal and rapeseed meal in broiler chickens Br. Poult. Sci. (IF 2.0) Pub Date : 2024-01-24 H. Liu, S. Wang, J.-O. Sorbara, M. Umar-Faruk, A. J. Cowieson
1. Two experiments were conducted to explore the effects of an exogenous sfericase protease on the apparent ileal nutrient digestibility of soybean meal (SBM) and rapeseed meal (RSM) in broiler chi...
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Genetic mapping of the novel congenital loco locus on chromosome Z in Silkie Fowl chickens Br. Poult. Sci. (IF 2.0) Pub Date : 2024-01-17 K. Shiina, E. Kobayashi
1. ‘Congenital loco’ is a disorder in birds expressed at hatching, and the primary symptom is dorsal backward bending of the neck. It is a recessive disease caused by a mutation in a specific genet...
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Antiviral effect of palmatine against infectious bronchitis virus through regulation of NF-κB/IRF7/JAK-STAT signalling pathway and apoptosis Br. Poult. Sci. (IF 2.0) Pub Date : 2024-01-03 W. Zhang, Y. Chen, F. Yang, H. Zhang, T. Su, J. Wang, Y. Zhang, X. Song
1. Infectious bronchitis virus (IBV), a gamma-coronavirus, can infect chickens of all ages and leads to an acute contact respiratory infection. This study evaluated the anti-viral activity of palma...
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Effects of genetic selection for fast growth on the development of wooden breast myopathy in broilers Br. Poult. Sci. (IF 2.0) Pub Date : 2023-12-18 M. Emambu, A. Haron, D. Lokshtanov, D. Shinder, S. Druyan
1. This study investigated the physiological and molecular mechanisms leading to wooden breast (WB) by comparing growth parameters, oxygen consumption rate, thyroid hormone and gene expression patt...
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N-acetyl-L-cysteine improves the performance of chronic cyclic heat-stressed finisher broilers but has no effect on tissue glutathione levels Br. Poult. Sci. (IF 2.0) Pub Date : 2023-12-18 H. Pertiwi, M. Majdeddin, J. Degroote, H. Zhang, J. Michiels
1. It was hypothesised that dietary N-acetyl-L-cysteine (NAC) in feed, as a source of cysteine, could improve the performance of heat-stressed finisher broilers by fostering glutathione (GSH) synth...
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Influence of two levels of phytic acid and particle size of oyster shell on the performance, calcium digestibility, gastrointestinal pH, and bone traits in broilers Br. Poult. Sci. (IF 2.0) Pub Date : 2023-12-18 H. K. Zanu, M. Iddrisu, B. G. Fosu, H. K. Ketemepi, M. R. Bedford
1. Phytic acid (PA) is an antinutritional factor in poultry diets. The effect of high dietary PA in chicken diets might be exacerbated when the particle size of oyster shell (OS) is too fine. Thus,...
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Identification and functional analysis of circRIPK2 in lipopolysaccharide induced chicken macrophages Br. Poult. Sci. (IF 2.0) Pub Date : 2023-12-18 J. Tan, J. Ge, P. Sahaer, H. Li, H. Sun
1. It was hypothesised that a circular RIPK2 (circRIPK2) highly expressed in chicken macrophages plays an important role during bacterial infection.2. After PCR amplification, Sanger sequencing and...
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Effects of monensin sodium and live attenuated oocyst vaccine as coccidiosis management programs on productive performance, bone quality and mineral utilisation in broiler chickens Br. Poult. Sci. (IF 2.0) Pub Date : 2023-12-13 M. Bozkurt, N. N. Savaş
1. The following study was conducted to evaluate the influence of coccidiosis vaccine-induced metabolic stress on the utilisation of minerals in broilers. The starter, grower and finisher phase die...
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Use of wheat dilution to improve digestive function in broilers: application in low protein diets Br. Poult. Sci. (IF 2.0) Pub Date : 2023-12-06 M. Naeem, E. J. Burton, D. V. Scholey, A. Alkhtib, S. Broadberry
1. This study evaluated the effect of wheat dilution increasing in particle size in low crude protein diets on growth performance, digestive tract, nitrogen efficiency and litter quality in broiler...
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Gga-let-7a-3p inhibits the proliferation and differentiation of chicken intramuscular preadipocytes Br. Poult. Sci. (IF 2.0) Pub Date : 2023-11-24 P. Ren, M. Chen, Q. Liu, J. Wu, R. Li, Z. Lin, J. Li
1. Intramuscular fat (IMF) is a key parameter for chicken meat quality. IMF deposition is driven by genetic, nutritional and management factors, with genetics being the determining factor. Previous...
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The interaction of chia mucilage-based edible film and transglutaminase enzyme on spent hen meat nuggets Br. Poult. Sci. (IF 2.0) Pub Date : 2023-11-24 İ. Çelik, C. Sarıçoban
1. The aim of this study was to utilise low-value spent hen meat and investigate the possibility of using chia (Salvia hispanica L.) as a mucilage-based edible film to prevent loss of quality in me...
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A comparative study on the effect of limestone particle size on performance, ileal digestibility of calcium and phosphorus, and bone characteristics in broilers and pullets Br. Poult. Sci. (IF 2.0) Pub Date : 2023-11-22 A. R. Jafari Arvari, S. Mirzaie Goudarzi, M. R. Abdollahi, M. Sadeghi
1. The effects of limestone particle size on growth performance, gastrointestinal tract (GIT) traits, ileal morphology, duodenal gene expression of calbindin, apparent ileal digestibility coefficie...
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Effect of 25-hydroxycholecalciferol supplementation with different dietary available phosphorus levels for broilers Br. Poult. Sci. (IF 2.0) Pub Date : 2023-11-20 L. S. Bassi, F. A. Moreno, C. C. S. Martins, R. F. Sens, C. A. Lozano-Poveda, A. Maiorka
1. Based on the hypothesis that 25-hydroxycholecalciferol (25-OH-D3) inclusion would optimise dietary mineral digestibility and ameliorate growth performance and bone mineralisation in available ph...
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Growth, not digestibility, in chickens receiving reduced-protein diets is independent of non-specific amino-nitrogen sources when the essential-to-total-nitrogen ratio is constant and lower than 50% Br. Poult. Sci. (IF 2.0) Pub Date : 2023-11-08 O. A. Olukosi, Y. Lin
1. A 21 d experiment was conducted to investigate whether growth performance and coefficients of amino acids digestibility (cAID) in broilers receiving reduced-protein diets supplemented with diffe...
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Effect of quercetin on granulosa cells development from hierarchical follicles in chicken Br. Poult. Sci. (IF 2.0) Pub Date : 2023-10-23 T. Li, Y. Feng, Z. Chen, Q. Hou, B. R. Serrano, A. R. Barcenas, P. Wu, W. Zhao, M. Shen
1. The bioflavonoid quercetin is a biologically active component, but its functional regulation of granulosa cells (GCs) during chicken follicular development is little studied. To investigate the ...
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Effects of oleanolic acid on acute liver injury triggered by lipopolysaccharide in broiler chickens Br. Poult. Sci. (IF 2.0) Pub Date : 2023-09-15 W. Hong, W. Fu, Q. Zhao, C. Xue, W. Cai, N. Dong, A. Shan
1. Infectious injury caused by lipopolysaccharide (LPS), a metabolite of gram-negative bacteria, can induce stress responses in animals and is a significant cause of morbidity and mortality in youn...
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Sunflower and rapeseed meal as alternative feed materials to soybean meal for sustainable egg production, using aged laying hens Br. Poult. Sci. (IF 2.0) Pub Date : 2023-09-14 V. R. Pirgozliev, I. M. Whiting, S. C. Mansbridge, S. P. Rose
1. This study assessed the impact of replacing two thirds of a soybean meal (SBM) based diet with an alternative protein (AP) based diet (sunflower and rapeseed meal), when fed to end of production...
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Mass spectrometry-based metabolic profiling for identification of biomarkers related to footpad dermatitis in ducks Br. Poult. Sci. (IF 2.0) Pub Date : 2023-09-13 H. Liu, Q. Tang, X. Yan, L. Wang, J. Wang, Q. Yang, B. Wei, J. Li, J. Qi, J. Hu, B. Hu, C. Han, J. Wang, L. Li
1. A new assessment method for duck footpad dermatitis (FPD) evaluation was developed, combining visual and histological characters using the images and sections of 400 ducks’ feet at 340 d of age....
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Genome-wide association analysis of neck ring traits in NongHua ma male ducks Br. Poult. Sci. (IF 2.0) Pub Date : 2023-09-11 H. Wang, C. Yang, J. Wang, Y. Xi, J. Qi, J. Hu, L. Bai, L. Li, A. Mustafa, H. Liu
1. Male NongHua ma ducks have more colourful feathers than females, especially considering that the former have a distinctive neck ring that is different from that of females. This ring development...
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Thyroid hormone-responsive protein mediates the response of chicken liver to fasting mainly through the cytokine-cytokine receptor interaction pathway Br. Poult. Sci. (IF 2.0) Pub Date : 2023-09-11 J. Mu, X. Zhou, Y. Xing, M. Zhang, J. Zhang, F. Li, J. Ge, M. Zhao, L. Liu, D. Gong, T. Geng
1. The objective of this study was to explore the mediating role of thyroid hormone-responsive protein (THRSP) in the response of chicken liver to fasting.2. A batch of 7-d-old chicks with similar ...
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Adenovirus type D and type E infection in broiler chickens: the effect on CD4 and CD8 T cell response, cytokines expression and their immunopathology Br. Poult. Sci. (IF 2.0) Pub Date : 2023-09-08 G. A. Abdel-Alim, S. M. Aly, M. S. Khattab, A. M. Badawy, M. G. Naguib, T. M. Abdelhamid, H. A. Hussein, E. A. Morsy
1. A total of 150-day-old chicks were divided into three groups of 50 birds (G1-G3); G1 and G2 were orally inoculated at 1-day old with 0.5 ml of 107 TCID50/ml FAdV-D serotype 2 (MT386509.1) and FA...
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Clonal diversity and zoonotic potential of MDR Escherichia coli isolated from poultry at different age intervals Br. Poult. Sci. (IF 2.0) Pub Date : 2023-09-08 F. Anjum, S. Maherchandani, K. Gahlot, M. Purva
1. A pool of 480 E. coli isolates of poultry (broilers and ducks) representing different time intervals (0, 10, 20 and 30 days) was selected for ribotyping and used to determine polymorphism of 16-...
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Biomarker discovery and authentication of cold-slaughtered chicken through classical analytical procedures and mass spectrometry based proteomic approaches Br. Poult. Sci. (IF 2.0) Pub Date : 2023-09-06 B. M. Belore, N. B. Maheswarappa, V. V. Kulkarni, R. Banerjee, P. Hazarika, S. Dasoju, B. P. Mishra, P. M. Govindaiah
1. This study evaluated the suitability of routine analytical procedures and used mass spectrometry-based proteomic approaches to distinguish meat from dead chicken/ cold-slaughtered birds (CS), el...
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Evaluation of the utilisation of energy and phosphorus in field peas fed to broiler chickens Br. Poult. Sci. (IF 2.0) Pub Date : 2023-09-06 A. A. Adekoya, O. Adeola
1. The regression method was used to estimate the utilisation of energy (Experiment 1) and phosphorus (Experiments 2 and 3) in two field peas (FP) cultivars fed to broiler chickens.2. On d 17 post ...
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Expression of FOXO3 in the skin follicles of goose embryos during embryonic development Br. Poult. Sci. (IF 2.0) Pub Date : 2023-09-06 S. Wang, Y. Wang, M. Ichraf, Y. Zhou, Y. Song, X. Fu, T. Liu, J. Ma, F. Zhuang, X. Hu, J. Hou, J. Yu, Z. Yang, F. Liu, Y. Sun
1. The Forkhead box O3 (FOXO3) transcription factor is a crucial regulator in controlling cell metabolism, proliferation, apoptosis, migration and response to oxidative stress. However, FOXO3 has n...
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Feed emulsifier improves the performance and nutrient digestibility in broiler chicken fed diets without antibiotic growth promoter Br. Poult. Sci. (IF 2.0) Pub Date : 2023-08-23 S. V. Rama Rao, K. Nagaraja Kumari, M. V. L. N. Raju, B. Prakash, S. S. Paul, K. P. Santosh Phani
1. A study was conducted to assess the impact of supplementing-graded concentrations of emulsifier on the production performance, gut microbial count, and digestibility of nitrogen and energy in br...
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Effects of lysolecithins on performance, egg quality, blood profiles and liver histopathology in late-phase laying hens Br. Poult. Sci. (IF 2.0) Pub Date : 2023-08-23 Z. He, J. Zeng, M. Wang, H. Liu, X. Zhou, S. Zhang, J. He
1. This study investigated the effects of lysolecithins (LL) on performance, egg quality, blood profiles, relative organ weight and liver histopathology in laying hens.2. A total of 480 healthy 65-...
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The British Ixworth: individual growth and egg production of a purebred dual-purpose chicken Br. Poult. Sci. (IF 2.0) Pub Date : 2023-08-14 S. Becker, W. Büscher, I. Tiemann
1. Killing male one-day-old chicks, especially from layer lines, is banned in some European countries. Therefore, dual-purpose chickens, where each sex is used for meat and egg production, respecti...
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Metagenomic reconstructions of caecal microbiome in Landes, Roman and Zhedong White geese Br. Poult. Sci. (IF 2.0) Pub Date : 2023-08-14 J. Zhu, Y. Song, Y. Xiao, L. Ma, C. Hu, H. Yang, X. Wang, W. Lyu
1. The caecal microbiota in geese play a crucial role in determining the host’s health, disease status and behaviour, as evidenced by extensive epidemiological data. The present investigation condu...
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Dietary cholecalciferol and 25-hydroxycholecalciferol supplementation interact to modulate reproductive performance, egg quality, serum antioxidant capacity, intestinal morphology and tibia quality of breeder geese Br. Poult. Sci. (IF 2.0) Pub Date : 2023-08-11 B. Zhang, M. Zhang, Y. Xing, B. Wang, W. Fan, M. Kong, W. Li, C. Wang
1. A study was conducted to evaluate the effects of dietary cholecalciferol (vitamin D3) and 25-hydroxycholecalciferol (25-OH-D3) supplementation on the reproductive performance, egg quality, eggsh...
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RETRACTED ARTICLE: Effects of emulsifier, betaine and l-carnitine on growth performance, immune response, gut morphology and nutrient digestibility in broiler chickens exposed to cyclic heat stress Br. Poult. Sci. (IF 2.0) Pub Date : 2023-08-04 J. Yousefi, K. Taherpour, H. A. Ghasemi, M. Akbari Gharaei, Y. Mohammadi, F. Rostami
Published in British Poultry Science (Vol. 64, No. 4, 2023)
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How are they really doing? Animal welfare on organic laying hen farms in terms of health and behaviour Br. Poult. Sci. (IF 2.0) Pub Date : 2023-08-02 L. Göransson, S. Abeyesinghe, J. Yngvesson, S. Gunnarsson
1. The present study describes the current welfare situation on commercial organic laying hen farms in Sweden in terms of indoor environment, bird health and behaviour.2. Organic laying hen farms (...
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Effect of storage periods and conditions on embryonic mortalities and hatchability of artificially incubated ostrich eggs Br. Poult. Sci. (IF 2.0) Pub Date : 2023-07-28 Z. Brand, S. W. P. Cloete, C. Brown
1. Despite substantial research, the hatching failure of ostrich eggs remains a key concern for many commercial breeding farms.2. This source of reproductive failure needs to be addressed for ostri...
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Avian sperm-borne RNAs: optimisation of a new isolation protocol Br. Poult. Sci. (IF 2.0) Pub Date : 2023-07-14 C. Douet, I. Grasseau, A. Vitorino Carvalho
1. Sperm-borne RNAs are involved in sperm and embryonic protein translation, the regulation of early development and the epigenetic inheritance of the paternal phenotype. Sperm-borne RNA purificati...
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Easier said than done! Organic farmers consider free-ranging important for laying hen welfare but outdoor areas need more shelter – important gaps between research and practice Br. Poult. Sci. (IF 2.0) Pub Date : 2023-07-12 L. Göransson, S. Abeyesinghe, S. Gunnarsson, J. Yngvesson
1. The aim of the present study was to investigate the design and management of free-range areas and their use by birds on commercial organic laying hen farms in Sweden and to document farmers’ per...
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Morin protects chicks with T-2 toxin poisoning by decreasing heterophil extracellular traps, oxidative stress and inflammatory response Br. Poult. Sci. (IF 2.0) Pub Date : 2023-07-07 Y. Jiang, Y. Qian, H. Hong, X. Gao, W. Liu, Q. Jin, M. Chen, Z. Jin, Q. Liu, Z. Wei
1. Fusarium tritici widely exists in a variety of grain feeds. The T-2 toxin is the main hazardous component produced by Fusarium tritici, making a serious hazard to poultry industry. Morin, belong...
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Genome-wide DNA methylation and transcriptome analyses reveal important epigenetic genes associated with valgus-varus deformity in broilers Br. Poult. Sci. (IF 2.0) Pub Date : 2023-06-30 Y. Ma, C. Cai, J. Li, L. Zhang, J. Ma, R. Jiang, Y. Zhang, Y. Tian, X. Kang, R. Han
ABSTRACT 1. Valgus-varus deformity (VVD) is a common leg bone problem in broilers that causes serious economic losses to the breeding industry. The genetic aetiology of VVD is not clear, which restricts the genetic control of VVD. 2. In this study, knee cartilage of 35-day-old VVD and normal broilers was sequenced by whole-genome bisulphite sequencing (WGBS). The unique whole-genome DNA methylation
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Analysis of growth performance and carcass and meat quality of different crossbreeds of Cherry Valley duck Br. Poult. Sci. (IF 2.0) Pub Date : 2023-06-26 Y. Zhang, S. Qi, Q. Bao, X. Xu, Z. Cao, Y. Bian, Z. Wang, Y. Zhang, G. Chen, Q. Xu
ABSTRACT 1. Duck breeding and production are facing great opportunities in China, as the market for small-sized high-quality duck is rapidly expanding. Therefore, breeding the most suitable genetic stock has become an important goal. 2. This study assessed body and carcass weight, slaughter rate and meat quality of offspring of three cross combinations; Cherry Valley duck (CV♂) × Small-sized Pekin