journal
https://read.qxmd.com/read/38489887/dietary-ethylenediamine-dihydroiodide-mitigated-escherichia-coli-o78-induced-immune-and-intestinal-damage-of-ducks-via-suppression-of-nf-%C3%AE%C2%BAb-signal
#21
JOURNAL ARTICLE
Yanru Liang, Yaqi Chang, Yueqin Xie, Qinteng Hou, Hua Zhao, Guangmang Liu, Xiaoling Chen, Gang Tian, Jingyi Cai, Gang Jia
This study investigated the effect of Ethylenediamine dihydroiodide (EDDI) on growth performance, immune function and intestinal health of meat ducks challenged with Avian pathogenic Escherichia coli (APEC). A total of 360 one-day-old Cherry Valley ducks with similar body weight were randomly allocated to 6 treatments (6 floor cages, 10 birds/cage). A 3 × 2 factor design was used with 3 dietary iodine levels (0, 8, 16 mg/kg in the form EDDI and whether APEC was challenged or not at 7-day-old ducks. The feeding period lasted for 20 d...
March 5, 2024: Poultry Science
https://read.qxmd.com/read/38479096/molecular-strategies-to-enhance-the-keratinase-gene-expression-and-its-potential-implications-in-poultry-feed-industry
#22
REVIEW
Muhammad Saeed, Mingchen Yan, Zhong Ni, Nazar Hussain, Huayou Chen
The tons of keratin waste are produced by the poultry and meat industry which is an insoluble and protein-rich material found in hair, feathers, wool, and some epidermal wastes. These waste products could be degraded and recycled to recover protein, which can save our environment. One of the potential strategy to achieve this target is use of microbial biotreatment which is more convenient, cost-effective, and environment-friendly by formulating hydrolysate complexes that could be administered as protein supplements, bioactive peptides, or animal feed ingredients...
March 5, 2024: Poultry Science
https://read.qxmd.com/read/38471233/effects-of-the-algae-derivatives-on-performance-intestinal-histomorphology-ileal-microflora-and-egg-yolk-biochemistry-of-laying-japanese-quail
#23
JOURNAL ARTICLE
Enayat Rahmatnejad, Hassan Habibi, Mohammad Amir Karimi Torshizi, Alireza Seidavi, Alireza Hosseinian
We examined the effect of the Persian Gulf algae derivates, phycocyanin (PC) and fucoidan (FUC), on production performance, egg quality, intestinal histomorphology, ileal microflora, and egg yolk biochemistry of laying Japanese quail. A total of 250 six-wk-old Japanese quails with an average body weight of 215 ± 10 g were allocated to 5 treatments, 5 replicates and 10 birds in each replicate in a completely randomized design. The treatment groups received PC (from Spirulina platensis) and FUC (from brown seaweed) in their drinking water while control groups did not...
March 5, 2024: Poultry Science
https://read.qxmd.com/read/38471226/rapid-detection-of-goose-megrivirus-using-taqman-real-time-pcr-technology
#24
JOURNAL ARTICLE
Huanru Fu, Shuyu Chen, Jinpeng Zhang, Jinbo Su, Zhongwei Miao, Yu Huang, Chunhe Wan
The aim of this study was to develop an efficient and accurate platform for the detection of the newly identified goose megrivirus (GoMV). To achieve this goal, we developed a TaqMan real-time PCR technology for the rapid detection and identification of GoMV. Our data showed that the established TaqMan real-time PCR assay had high sensitivity, with the lowest detection limit of 67.3 copies/μL. No positive signal can be observed from other goose origin viruses (including AIV, GPV, GoCV, GHPyV, and GoAstV), with strong specificity...
March 5, 2024: Poultry Science
https://read.qxmd.com/read/38484563/investigating-antibiotic-free-feed-additives-for-growth-promotion-in-poultry-effects-on-performance-and-microbiota
#25
JOURNAL ARTICLE
Ana Fonseca, Sophia Kenney, Emily Van Syoc, Stephanie Bierly, Francisco Dini-Andreote, Justin Silverman, John Boney, Erika Ganda
The poultry industry is evolving towards antibiotic-free production to meet market demands and decelerate the increasing spread of the antimicrobial resistance. The growing need for antibiotic free products has challenged producers to decrease or completely stop using antimicrobials as feed supplements in broiler diet to improve feed efficiency, growth rate, and intestinal health. Natural feed additives (e.g., probiotics and phytobiotics) are promising alternatives to substitute antimicrobial growth promoters...
March 4, 2024: Poultry Science
https://read.qxmd.com/read/38457990/signaling-pathways-and-regulatory-networks-in-quail-skeletal-muscle-development-insights-from-whole-transcriptome-sequencing
#26
JOURNAL ARTICLE
Wentao Zhang, Jing Liu, Ya'nan Zhou, Shuibing Liu, Jintao Wu, Hongxia Jiang, Jiguo Xu, Huirong Mao, Sanfeng Liu, Biao Chen
Quail, as an advantageous avian model organism due to its compact size and short reproductive cycle, holds substantial potential for enhancing our understanding of skeletal muscle development. The quantity of skeletal muscle represents a vital economic trait in poultry production. Unraveling the molecular mechanisms governing quail skeletal muscle development is of paramount importance for optimizing meat and egg yield through selective breeding programs. However, a comprehensive characterization of the regulatory dynamics and molecular control underpinning quail skeletal muscle development remains elusive...
March 1, 2024: Poultry Science
https://read.qxmd.com/read/38484566/ileal-phosphorus-digestibility-of-soybean-meal-for-broiler-chickens-remains-consistent-across-institutions-in-a-collaborative-study-regardless-of-non-phytate-phosphorus-concentration-in-the-pre-experimental-starter-diet
#27
JOURNAL ARTICLE
V S Haetinger, J Y Sung, S A Adedokun, W A Dozier, C M Parsons, M Rodehutscord, O Adeola
The same experimental protocol was used in 4 institutions to evaluate the impact of non-phytate phosphorus (nPP) concentration in the starter diet on regression method-derived ileal P digestibility of soybean meal (SBM) during the subsequent grower phase. A total of 1,536 Ross 308 male broiler chickens on d 0 post hatching were allotted to 2 pre-experimental starter diets that contained 3.5 or 4.5 g nPP/kg (96 replicate cages per diet, 8 birds per cage) for 18 d. Subsequently, 576 birds from each starter diet were selected and allocated to 3 experimental semi-purified grower diets containing 400, 510, or 620 g SBM/kg (32 replicate cages per diet, 6 birds per cage) for 3 d until collection of ileal digesta...
February 29, 2024: Poultry Science
https://read.qxmd.com/read/38492247/molecular-characterization-of-a-virulent-goose-astrovirus-genotype-2-with-high-mortality-in-vitro-and-in-vivo
#28
JOURNAL ARTICLE
Linhua Xu, Zhen Wu, Yu He, Bowen Jiang, Yao Cheng, Mingshu Wang, Renyong Jia, Dekang Zhu, Mafeng Liu, Xinxin Zhao, Qiao Yang, Ying Wu, Shaqiu Zhang, Juan Huang, Xumin Ou, Di Sun, Anchun Cheng, Shun Chen
Goose astrovirus (GAstV) is a newly identified viral pathogen threatening waterfowl, exhibiting a high prevalence across various regions in China. Notably, the Guanghan District of Deyang City, situated in Sichuan Province, has faced a outbreak of GAstV, resulting in significant mortality among goslings due to the induction of gout-like symptoms. In our research, we successfully isolated a GAstV strain known as GAstV SCG3. This strain exhibits efficient replication capabilities, proving virulent in goslings and goose embryos...
February 28, 2024: Poultry Science
https://read.qxmd.com/read/38489885/deoxynivalenol-and-fumonisin-predispose-broilers-to-bacterial-chondronecrosis-with-osteomyelitis-lameness
#29
JOURNAL ARTICLE
Khawla Alharbi, Nnamdi Ekesi, Amer Hasan, Andi Asnayanti, Jundi Liu, Raj Murugesan, Shelby Ramirez, Samuel Rochell, Michael T Kidd, Adnan Alrubaye
Bacterial chondronecrosis with osteomyelitis (BCO) lameness is the most critical animal health and welfare issue facing the broiler industry worldwide. It is estimated that 1 to 2% of bird condemnation at marketing age is caused by BCO lameness, resulting in tens of millions of dollars in annual losses. Fast-growing broilers are prone to mechanical stress that triggers bacterial translocation across epithelial barriers into the bloodstream, followed by bacterial colonization in the growth plate of long bones, and eventually, bone necrosis and lameness...
February 28, 2024: Poultry Science
https://read.qxmd.com/read/38479100/preening-cups-in-duck-housing-are-associated-with-an-increase-in-central-dopamine-activity-that-suggests-a-negative-affective-state
#30
JOURNAL ARTICLE
M M Bergman, J M Schober, E M Oluwagbenga, D Frey, H Parnin, G S Fraley
Preening cups are a form of environmental enrichment that provides Pekin ducks a semi-open water source to express their natural behaviors. We recently observed that preening cups may increase feather pecking behaviors in ducks. Thus, we set out to determine if this form of enrichment can impact the affective state of Pekin ducks. To accomplish this goal, we evaluated the effect of preening cups on serotonin (5-HT) and dopamine (DA) turnover via mass spectrometry and their respective synthetic enzyme gene expression via qRT-PCR...
February 28, 2024: Poultry Science
https://read.qxmd.com/read/38479099/pigeon-novel-mir-741-targets-otud1-to-inhibit-proliferation-and-promote-apoptosis-of-crop-fibroblasts
#31
JOURNAL ARTICLE
Ran Zhang, Yunlei Li, Xinyi Li, Aixin Ni, Yuxin Gao, Yunhe Zong, Yanyan Sun, Jingwei Yuan, Jilan Chen, Hui Ma
Trichomonas gallinae (T. gallinae) is a globally distributed protozoan parasite and could cause serious damage to the pigeon industry. MiRNAs have important roles in regulating parasite infection, but its impacts on T. gallinae resistance have rarely been reported. In the present study, we identified a new miRNA (novel-miR-741) and its predicted target OTU deubiquitinase 1 (OTUD1) that might be associated with immunity to T. gallinae in pigeon. Novel-miR-741 and OTUD1 over-expression vectors and interference vectors were constructed...
February 28, 2024: Poultry Science
https://read.qxmd.com/read/38479098/comparison-of-necrotic-enteritis-effects-on-growth-performance-and-intestinal-health-in-two-different-meat-type-chicken-strains-athens-canadian-random-bred-and-cobb-500
#32
JOURNAL ARTICLE
Doyun Goo, Hanseo Ko, Milan Kumar Sharma, Venkata Sesha Reddy Choppa, Deependra Paneru, Hanyi Shi, Woo Kyun Kim
Chickens have undergone genetic improvements in the past few decades to maximize growth efficiency. However, necrotic enteritis (NE), an enteric disease primarily caused by C. perfringens, remains a significant problem in poultry production. A study investigated the differences in intestinal health between the nonselected meat-type chicken Athens Canadian Random Bred (ACRB) and the modern meat-type Cobb 500 broilers (Cobb) when challenged with experimental NE. The study utilized a 2 × 3 factorial arrangement, consisting of two main effects of chicken strain and NE challenge model (nonchallenged control, NC; NE challenge with 2,500/12,500 Eimeria maxima oocysts + 1 × 109 C...
February 28, 2024: Poultry Science
https://read.qxmd.com/read/38479097/effects-of-dietary-artemisia-annua-supplementation-on-growth-performance-antioxidant-capacity-immune-function-and-gut-microbiota-of-geese
#33
JOURNAL ARTICLE
Yizhe Cui, Xinyang Leng, Yujie Zhao, Yu Zhao, Qiuju Wang
This experiment aimed to study the effect of 1% Artemisia annua added to the diet on growth performance, antioxidant capacity, immunity and intestinal morphology, and gut microbiota of geese. Seventy-two 35-day-old male geese (Zi goose) with similar body weight were selected and randomly divided into 2 groups. Each treatment group of 36 geese was divided into 6 subgroups, each having 6 male geese. The experiment lasted for 21 d. Control group (CON) was fed a basal diet and the experimental group (AAL) was fed a basal diet + 1% Artemisia annua...
February 28, 2024: Poultry Science
https://read.qxmd.com/read/38471230/research-note-effects-of-the-intermittent-feeding-of-microencapsulation-essential-oil-on-laying-performance-egg-quality-immune-response-intestinal-morphology-and-oxidation-status-of-laying-hens
#34
JOURNAL ARTICLE
Fazhi Xu, Jinbin Wang, Enyu Zhu, Yao Feng, Tiantian Xu, Xin Ru, Siqin Gu, Xuelan Liu
The aim of this study was to evaluate the effect of microencapsulated essential oils (MEO) on the laying performance, egg quality, immunity, intestinal morphology, and oxidative status of laying hens. A total of 640 Hy-line Brown laying hens, 41 wk of age, were randomly divided into 4 groups, each with 8 replicates containing 20 birds per replicate. The dietary conditions tested included a basal diet (Control) or the basal diet supplemented with various levels of MEO at 100 mg/kg (MEO100), 300 mg/kg (MEO300), and 500 mg/kg (MEO500)...
February 28, 2024: Poultry Science
https://read.qxmd.com/read/38471225/%C3%A3-hydroxy-%C3%A3-methylbutyrate-a-feed-supplement-influencing-performance-bone-metabolism-intestinal-morphology-and-muscle-quality-of-laying-hens-a-preliminary-one-point-study
#35
JOURNAL ARTICLE
Ewa Tomaszewska, Sylwester Świątkiewicz, Anna Arczewska-Włosek, Dorota Wojtysiak, Piotr Dobrowolski, Piotr Domaradzki, Iwona Puzio, Halyna Rudyk, Oksana Brezvyn, Siemowit Muszyński
Laying hens, selectively bred for high egg production, often suffer from bone fragility and fractures, impacting their welfare and causing economic losses. Additionally, gut health and muscle quality are crucial for overall health and productivity. This study aimed to evaluate the effects of ß-Hydroxy-ß-methylbutyrate (HMB) supplementation on performance, bone metabolism, intestinal morphology, and muscle quality in laying hens. Forty-eight Bovans Brown hens were divided into a control group and an HMB-supplemented group (0...
February 28, 2024: Poultry Science
https://read.qxmd.com/read/38457991/genome-wide-association-studies-of-anserine-and-carnosine-contents-in-the-breast-meat-of-korean-native-chickens
#36
JOURNAL ARTICLE
Minjun Kim, Jean P Munyaneza, Eunjin Cho, Aera Jang, Cheorun Jo, Ki-Chang Nam, Hyo Jun Choo, Jun Heon Lee
Histidine-containing dipeptides (HCDs), such as anserine and carnosine, are enormously beneficial to human health and contribute to the meat flavor in chickens. Meat quality traits, including flavor, are polygenic traits with medium to high heritability. Polygenic traits can be improved through a better understanding of their genetic mechanisms. Genome-wide association studies (GWAS) constitute an effective genomic tool to identify the significant single-nucleotide polymorphisms (SNPs) and potential candidate genes related to various traits of interest in chickens...
February 28, 2024: Poultry Science
https://read.qxmd.com/read/38471232/comparing-the-effect-of-phytobiotic-coccidiostat-toltrazuril-and-vaccine-on-the-prevention-and-treatment-of-coccidiosis-in-broilers
#37
JOURNAL ARTICLE
Hesam Shahininejad, Shaban Rahimi, Mohammad Amir Karimi Torshizi, Fatemeh Arabkhazaeli, Mahdi Ayyari, Alireza Behnamifar, Morteza Abuali, Jesse Grimes
This study compared 2 herbal anticoccidiosis drugs (water-soluble and feed-additive drugs) with monensin coccidiostat, toltrazuril (TTZ, anticoccidiosis drug), and Livacox Q (anticoccidiosis vaccine) in terms of their effects on the prevention and treatment of coccidiosis in broilers. In this study, 280 Ross 308 broiler chickens (a mix of both genders) were used in a completely randomized design with 7 treatments and 5 replications each including 8 chickens per replicate. On d 21 of rearing, all experimental groups, except for the negative control group (NC), were challenged with a mixed suspension of common strains of Eimeria, and the intended indices were assessed, including performance indices, number of oocysts per gram (OPG) of feces, intestinal injuries, and the total number of intestinal bacteria...
February 27, 2024: Poultry Science
https://read.qxmd.com/read/38471229/dietary-inclusion-of-a-saccharomyces-cerevisiae-metabolite-improved-reproductive-performance-but-did-not-affect-intestinal-permeability-in-two-chicken-meat-breeder-lines
#38
JOURNAL ARTICLE
Rebecca Ea Forder, Nicky-Lee Willson, Joshua A Angove, Todd J McWhorter, Matthew A McQueen, David J Cadogan
Gastrointestinal dysbiosis is a disturbance in mucosal homeostasis, producing low-grade chronic intestinal inflammation and impaired intestinal barrier function. It is induced by several factors, including nutrition and stress, which are both significant factors when considering current broiler breeder practices. A great grandparent (GGP) chicken meat line was identified displaying clinical signs characteristic of potential dysbiosis, including wet droppings and litter, in addition to reduced reproductive performance when compared to a consistently high performing line...
February 27, 2024: Poultry Science
https://read.qxmd.com/read/38471224/dietary-supplementation-with-dunaliella-salina-microalga-promotes-quail-growth-by-altering-lipid-profile-and-immunity
#39
JOURNAL ARTICLE
Mahmoud Alagawany, Antonia Lestingi, Hagar A Abdelzaher, Shaaban S Elnesr, Mahmoud Madkour, Farouk K El-Baz, Haifa E Alfassam, Hassan A Rudayni, Ahmed A Allam, Mohamed E Abd El Hack
The goals of the current research are to ascertain the impacts of Dunaliella salina (DS) on quail growth, carcass criteria, liver and kidney functions, lipid profile, and immune response. Two hundred and forty 7-day-old quail chicks were divided equally into 4 separate groups with 6 replicates with 10 birds each. The groups were as follows: 1) control diet (the basal feed without DS), 2) control diet enriched with 0.25 g DS/kg, 3) control diet enriched with 0.50 g DS/kg, and 4) control diet enriched with 1...
February 27, 2024: Poultry Science
https://read.qxmd.com/read/38447309/coagulase-negative-staphylococci-are-the-main-causes-of-bacterial-meningitis-in-duck
#40
JOURNAL ARTICLE
Jingyu Wang, Yu Meng, Ruihua Zhang, Hui Yan, Guige Xu, Yanli Zhu, Zhijing Xie, Shijin Jiang
Since September 2018, serious meningitis has been found on some breeding-duck farms in Shandong Province, China. A large number of ducks exhibit severe neurological symptoms. The ducks were randomly selected for laboratory testing. Duck brain samples were collected using standard sterile techniques, and the staphylococci isolates were detected in 404 (70.14%) out of 576 brain samples. A total of 525 coagulase-negative staphylococci (CoNS) strains were isolated, including 6 species: Staphylococcus sciuri (S...
February 27, 2024: Poultry Science
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