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Journal of Animal Science and Biotechnology

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https://www.readbyqxmd.com/read/29118980/sirt1-dependent-modulation-of-methylation-and-acetylation-of-histone-h3-on-lysine-9-h3k9-in-the-zygotic-pronuclei-improves-porcine-embryo-development
#1
Katerina Adamkova, Young-Joo Yi, Jaroslav Petr, Tereza Zalmanova, Kristyna Hoskova, Pavla Jelinkova, Jiri Moravec, Milena Kralickova, Miriam Sutovsky, Peter Sutovsky, Jan Nevoral
Background: The histone code is an established epigenetic regulator of early embryonic development in mammals. The lysine residue K9 of histone H3 (H3K9) is a prime target of SIRT1, a member of NAD(+)-dependent histone deacetylase family of enzymes targeting both histone and non-histone substrates. At present, little is known about SIRT1-modulation of H3K9 in zygotic pronuclei and its association with the success of preimplantation embryo development. Therefore, we evaluated the effect of SIRT1 activity on H3K9 methylation and acetylation in porcine zygotes and the significance of H3K9 modifications for early embryonic development...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29118979/the-effects-of-starter-microbiota-and-the-early-life-feeding-of-medium-chain-triglycerides-on-the-gastric-transcriptome-profile-of-2-or-3-week-old-cesarean-delivered-piglets
#2
Paolo Trevisi, Davide Priori, Vincenzo Motta, Diana Luise, Alfons J M Jansman, Sietse-Jan Koopmans, Paolo Bosi
Background: The stomach is an underestimated key interface between the ingesta and the digestive system, affecting the digestion and playing an important role in several endocrine functions. The quality of starter microbiota and the early life feeding of medium chain triglycerides may affect porcine gastric maturation. Two trials (T1, T2) were carried out on 12 and 24 cesarean-delivered piglets (birth, d0), divided over two microbiota treatments, but slaughtered and sampled at two or three weeks of age, respectively...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29118978/systematic-analysis-of-feeding-behaviors-and-their-effects-on-feed-efficiency-in-pekin-ducks
#3
Feng Zhu, Yahui Gao, Fangbin Lin, Jinping Hao, Fangxi Yang, Zhuocheng Hou
Background: Feeding behavior study is important for animal husbandry and production. However, few studies were conducted on the feeding behavior and their relationship with feeding efficiency in Pekin ducks. In order to investigate the feeding behavior and their relationship with feed efficiency and other economic traits in Pekin ducks, we selected 358 male Pekin ducks and recorded feeding information between 3 to 6 wk of age using automatic electronic feeders, and compared the feeding behavior under different residual feed intake (RFI) levels...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29118977/mycotoxin-binder-improves-growth-rate-in-piglets-associated-with-reduction-of-toll-like-receptor-4-and-increase-of-tight-junction-protein-gene-expression-in-gut-mucosa
#4
Linghong Jin, Wei Wang, Jeroen Degroote, Noémie Van Noten, Honglin Yan, Maryam Majdeddin, Mario Van Poucke, Luc Peelman, Anne Goderis, Kurt Van De Mierop, Ronny Mombaerts, Stefaan De Smet, Joris Michiels
Background: Deoxynivalenol (DON) is a mycotoxin produced by Fusarium species in the field, commonly found in cereal grains, which negatively affects performances and health of animals. Mycotoxin binders are supposed to reduce the toxicity of mycotoxins. Method: The effect of a mycotoxin binder (containing acid-activated bentonite, clinoptilolite, yeast cell walls and organic acids) on growth performance and gut health was studied. Hundred and twenty weaning piglets were allocated to 4 treatments, with 5 pens of 6 piglets each, arranged in a 2 × 2 factorial design: control diet; control diet with 1 kg/t binder; control diet with DON; and control diet with DON and 1 kg/t binder...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29118976/impact-of-hormonal-modulation-at-proestrus-on-ovarian-responses-and-uterine-gene-expression-of-suckled-anestrous-beef-cows
#5
Manoel Francisco de Sá Filho, Angela Maria Gonella-Diaza, Mariana Sponchiado, Marcio Ferreira Mendanha, Guilherme Pugliesi, Roney Dos Santos Ramos, Sónia Cristina da Silva Andrade, Gustavo Gasparin, Luiz Lehmann Coutinho, Marcelo Demarchi Goissis, Fernando Silveira Mesquita, Pietro Sampaio Baruselli, Mario Binelli
Background: This study evaluated the impact of hormonal modulation at the onset of proestrus on ovarian response and uterine gene expression of beef cows. Methods: A total of 172 anestrous beef cows were assigned to one of four groups according to the treatment with estradiol cypionate (ECP) and/or equine chorionic gonadotropin (eCG) [CON (n = 43), ECP (n = 43), eCG (n = 44) and ECP + eCG (n = 42)]. Results: ECP-treated cows (ECP and ECP + eCG groups) presented greater occurrence of estrus (44...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29090093/effects-of-pituitary-specific-overexpression-of-fsh%C3%AE-%C3%AE-on-reproductive-traits-in-transgenic-boars
#6
Wenting Li, Yujun Quan, Mengmeng Zhang, Kejun Wang, Muzhen Zhu, Ye Chen, Qiuyan Li, Keliang Wu
BACKGROUND: Follicle-stimulating hormone (FSH) is a gonadotropin synthesized and secreted by the pituitary gland. FSH stimulates follicle development and maturation in females. It also plays an important role in spermatogenesis in males, including humans and mice. However, the effects of FSH on male pigs are largely unknown. In this study, we generated transgenic pigs to investigate the effects of FSHα/β overexpression on reproductive traits in boars. RESULTS: After five transgenic F0 founders were crossed with wide-type pigs, 193 F1 animals were obtained...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29026540/energetic-protein-supplementation-in-the-last-60%C3%A2-days-of-gestation-improves-performance-of-beef-cows-grazing-tropical-pastures
#7
Aline Gomes da Silva, Mário Fonseca Paulino, Edenio Detmann, Henrique Jorge Fernandes, Lincoln da Silva Amorim, Román Enrique Maza Ortega, Victor Valério de Carvalho, Josilaine Aparecida da Costa Lima, Felipe Henrique de Moura, Mariana Benevides Monteiro, Jéssika Almeida Bitencourt
BACKGROUND: Nutrition is one of the most important factors that affect animal performance, and it therefore also impacts on financial results in beef systems. In this way, finding the best strategy for feeding supplements is of paramount importance. Aiming to evaluate the effect of supplement feeding strategies for beef cows in the last third of gestation, two experiments were conducted. In Experiment 1, 35 pregnant Nellore cows were assigned to a completely randomized design with four treatments: control, which received no supplement; supplementation for the last 30 d of gestation (30-d; 3...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29026539/the-regulation-of-imf-deposition-in-pectoralis-major-of-fast-and-slow-growing-chickens-at-hatching
#8
Lu Liu, Huanxian Cui, Ruiqi Fu, Maiqing Zheng, Ranran Liu, Guiping Zhao, Jie Wen
BACKGROUND: The lipid from egg yolk is largely consumed in supplying the energy for embryonic growth until hatching. The remaining lipid in the yolk sac is transported into the hatchling's tissues. The gene expression profiles of fast- and slow-growing chickens, Arbor Acres (AA) and Beijing-You (BJY), were determined to identify global differentially expressed genes and enriched pathways related to lipid metabolism in the pectoralis major at hatching. RESULTS: Between these two breeds, the absolute and weight-specific amounts of total yolk energy (TYE) and intramuscular fat (IMF) content in pectoralis major of fast-growing chickens were significantly higher (P < 0...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29026538/plasma-and-cerebrospinal-fluid-interleukin-1%C3%AE-during-lipopolysaccharide-induced-systemic-inflammation-in-ewes-implanted-or-not-with-slow-release-melatonin
#9
Janina Skipor, Marta Kowalewska, Aleksandra Szczepkowska, Anna Majewska, Tomasz Misztal, Marek Jalynski, Andrzej P Herman, Katarzyna Zabek
BACKGROUND: Interleukin-1β (IL-1β) is important mediator of inflammatory-induced suppression of reproductive axis at the hypothalamic level. At the beginning of inflammation, the main source of cytokines in the cerebrospinal fluid (CSF) is peripheral circulation, while over time, cytokines produced in the brain are more important. Melatonin has been shown to decrease pro-inflammatory cytokines concentration in the brain. In ewes, melatonin is used to advance the onset of a breading season...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29026537/negative-effects-of-long-term-feeding-of-high-grain-diets-to-lactating-goats-on-milk-fat-production-and-composition-by-regulating-gene-expression-and-dna-methylation-in-the-mammary-gland
#10
Ping Tian, Yanwen Luo, Xian Li, Jing Tian, Shiyu Tao, Canfeng Hua, Yali Geng, Yingdong Ni, Ruqian Zhao
BACKGROUND: It is well known that feeding a high concentrate (HC) diet to lactating ruminants likely induces subacute ruminal acidosis (SARA) and leads to a decrease in milk fat production. However, the effects of feeding a HC diet for long periods on milk fatty acids composition and the mechanism behind the decline of milk fat still remains poorly understood. The aim of this study was to investigate the impact of feeding a HC diet to lactating dairy goats on milk fat yield and fatty acids composition with an emphasis on the mechanisms underlying the milk fat depression...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28919976/impacts-of-prenatal-nutrition-on-animal-production-and-performance-a-focus-on-growth-and-metabolic-and-endocrine-function-in-sheep
#11
REVIEW
Prabhat Khanal, Mette Olaf Nielsen
The concept of foetal programming (FP) originated from human epidemiological studies, where foetal life nutrition was linked to health and disease status later in life. Since the proposal of this phenomenon, it has been evaluated in various animal models to gain further insights into the mechanisms underlying the foetal origins of health and disease in humans. In FP research, the sheep has been quite extensively used as a model for humans. In this paper we will review findings mainly from our Copenhagen sheep model, on the implications of late gestation malnutrition for growth, development, and metabolic and endocrine functions later in life, and discuss how these implications may depend on the diet fed to the animal in early postnatal life...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28883917/betaine-affects-muscle-lipid-metabolism-via-regulating-the-fatty-acid-uptake-and-oxidation-in-finishing-pig
#12
Sisi Li, Haichao Wang, Xinxia Wang, Yizhen Wang, Jie Feng
BACKGROUND: Betaine affects fat metabolism in animals, but the specific mechanism is still not clear. The purpose of this study was to investigate possible mechanisms of betaine in altering lipid metabolism in muscle tissue in finishing pigs. METHODS: A total of 120 crossbred gilts (Landrace × Yorkshire × Duroc) with an average initial body weight of 70.1 kg were randomly allotted to three dietary treatments. The treatments included a corn-soybean meal basal diet supplemented with 0, 1250 or 2500 mg/kg betaine...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28883916/circulating-leptin-and-its-muscle-gene-expression-in-nellore-cattle-with-divergent-feed-efficiency
#13
Lúcio Flávio Macedo Mota, Cristina Moreira Bonafé, Pâmela Almeida Alexandre, Miguel Henrique Santana, Francisco José Novais, Erika Toriyama, Aldrin Vieira Pires, Saulo da Luz Silva, Paulo Roberto Leme, José Bento Sterman Ferraz, Heidge Fukumasu
BACKGROUND: Leptin has a strong relation to important traits in animal production, such as carcass composition, feed intake, and reproduction. It is mainly produced by adipose cells and acts predominantly in the hypothalamus. In this study, circulating leptin and its gene expression in muscle were evaluated in two groups of young Nellore bulls with divergent feed efficiency. Individual dry matter intake (DMI) and average daily gain (ADG) of 98 Nellore bulls were evaluated in feedlot for 70 d to determinate the residual feed intake (RFI) and select 20 animals for the high feed efficient (LRFI) and 20 for the low feed efficient (HRFI) groups...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28883915/evaluation-of-fatty-acid-metabolism-and-innate-immunity-interactions-between-commercial-broiler-f1-layer-%C3%A3-broiler-cross-and-commercial-layer-strains-selected-for-different-growth-potentials
#14
Nicky-Lee Willson, Rebecca E A Forder, Rick G Tearle, Greg S Nattrass, Robert J Hughes, Philip I Hynd
BACKGROUND: The broiler industry has undergone intense genetic selection over the past 50 yr. resulting in improvements for growth and feed efficiency, however, significant variation remains for performance and growth traits. Production improvements have been coupled with unfavourable metabolic consequences, including immunological trade-offs for growth, and excess fat deposition. To determine whether interactions between fatty acid (FA) metabolism and innate immunity may be associated with performance variations commonly seen within commercial broiler flocks, total carcass lipid %, carcass and blood FA composition, as well as genes involved with FA metabolism, immunity and cellular stress were investigated in male birds of a broiler strain, layer strain and F1 layer × broiler cross at d 14 post hatch...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28883914/effect-of-recombinant-and-native-buffalo-ovgp1-on-sperm-functions-and-in-vitro-embryo-development-a-comparative-study
#15
Suman Choudhary, A Kumaresan, Manish Kumar, Shivani Chhillar, Hrudananda Malik, Sudarshan Kumar, Jai K Kaushik, Tirtha K Datta, Ashok K Mohanty
BACKGROUND: An oviduct- specific glycoprotein, OVGP1, is synthesized and secreted by non-ciliated epithelial cells of the mammalian oviduct which provides an essential milieu for reproductive functions. The present study reports the effects of recombinant buffalo OVGP1 that lacks post-translational modifications, and native Buffalo OVGP1 isolated from oviductal tissue, on frozen- thawed sperm functions and in vitro embryo development. RESULTS: The proportion of viable sperms was greater (P < 0...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28883913/glucosamine-supplementation-during-late-gestation-alters-placental-development-and-increases-litter-size
#16
Jeffrey L Vallet, Jeremy R Miles, Bradley A Freking, Shane Meyer
BACKGROUND: During late gestation the placental epithelial interface becomes highly folded, which involves changes in stromal hyaluronan. Hyaluronan is composed of glucoronate and N-acetyl-glucosamine. We hypothesized that supplementing gestating dams with glucosamine during this time would support placental folded-epithelial-bilayer development and increase litter size. In Exp. 1, gilts were unilaterally hysterectomized-ovariectomized (UHO). UHO gilts were mated and then supplemented daily with 10 g glucosamine (n = 16) or glucose (control, n = 17) from d 85 of gestation until slaughter (d 105)...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28878894/genomic-regions-and-pathways-associated-with-gastrointestinal-parasites-resistance-in-santa-in%C3%A3%C2%AAs-breed-adapted-to-tropical-climate
#17
Mariana Piatto Berton, Rafael Medeiros de Oliveira Silva, Elisa Peripolli, Nedenia Bonvino Stafuzza, Jesús Fernández Martin, Maria Saura Álvarez, Beatriz Villanueva Gavinã, Miguel Angel Toro, Georgget Banchero, Priscila Silva Oliveira, Joanir Pereira Eler, Fernando Baldi, José Bento Sterman Ferraz
BACKGROUND: The aim of this study was to estimate variance components and to identify genomic regions and pathways associated with resistance to gastrointestinal parasites, particularly Haemonchus contortus, in a breed of sheep adapted to tropical climate. Phenotypes evaluations were performed to verify resistance to gastrointestinal parasites, and were divided into two categories: i) farm phenotypes, assessing body condition score (BCS), degree of anemia assessed by the famacha chart (FAM), fur score (FS) and feces consistency (FC); and ii) lab phenotypes, comprising blood analyses for hematocrit (HCT), white blood cell count (WBC), red blood cell count (RBC), hemoglobin (HGB), platelets (PLT) and transformed (log10) egg per gram of feces (EPGlog)...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28852499/candidate-genes-for-male-and-female-reproductive-traits-in-canchim-beef-cattle
#18
Marcos Eli Buzanskas, Daniela do Amaral Grossi, Ricardo Vieira Ventura, Flavio Schramm Schenkel, Tatiane Cristina Seleguim Chud, Nedenia Bonvino Stafuzza, Luciana Diniz Rola, Sarah Laguna Conceição Meirelles, Fabiana Barichello Mokry, Maurício de Alvarenga Mudadu, Roberto Hiroshi Higa, Marcos Vinícius Gualberto Barbosa da Silva, Maurício Mello de Alencar, Luciana Correia de Almeida Regitano, Danísio Prado Munari
BACKGROUND: Beef cattle breeding programs in Brazil have placed greater emphasis on the genomic study of reproductive traits of males and females due to their economic importance. In this study, genome-wide associations were assessed for scrotal circumference at 210 d of age, scrotal circumference at 420 d of age, age at first calving, and age at second calving, in Canchim beef cattle. Data quality control was conducted resulting in 672,778 SNPs and 392 animals. RESULTS: Associated SNPs were observed for scrotal circumference at 420 d of age (435 SNPs), followed by scrotal circumference at 210 d of age (12 SNPs), age at first calving (six SNPs), and age at second calving (four SNPs)...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28824802/cinnamicaldehyde-regulates-the-expression-of%C3%A2-tight-junction-proteins-and-amino-acid-transporters-in-intestinal-porcine-epithelial-cells
#19
Kaiji Sun, Yan Lei, Renjie Wang, Zhenlong Wu, Guoyao Wu
BACKGROUND: Cinnamicaldehyde (CA) is a key flavor compound in cinnamon essential oil possessing various bioactivities. Tight junction (TJ) proteins are vital for the maintenance of intestinal epithelial barrier function, transport, absorption and utilization of dietary amino acids and other nutrients. In this study, we tested the hypothesis that CA may regulate the expression of TJ proteins and amino acid transporters in intestinal porcine epithelial cells (IPEC-1) isolated from neonatal pigs...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28804620/stress-and-immunological-response-of-heifers-divergently-ranked-for-residual-feed-intake-following-an-adrenocorticotropic-hormone-challenge
#20
A K Kelly, P Lawrence, B Earley, D A Kenny, M McGee
BACKGROUND: When an animal is exposed to a stressor, metabolic rate, energy consumption and utilisation increase primarily through activation of the hypothalamic-pituitary-adrenal (HPA) axis. Changes to partitioning of energy by an animal are likely to influence the efficiency with which it is utilised. Therefore, this study aimed to determine the physiological stress response to an exogenous adrenocorticotropic hormone (ACTH) challenge in beef heifers divergently ranked on phenotypic residual feed intake (RFI)...
2017: Journal of Animal Science and Biotechnology
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