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Animal Science Journal, Nihon Chikusan Gakkaihō

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https://www.readbyqxmd.com/read/28722264/ultrastructure-changes-in-buffalo-bubalus-bubalis-oocytes-before-and-after-maturation-in%C3%A2-vitro-with-sericin
#1
Sri Gustina, Hasbi Hasbi, Ni Wayan Kurniani Karja, Mohamad Agus Setiadi, Iman Supriatna
The aim of this research was to identify the changes in the cytoplasmic ultrastructure of immature and matured oocytes in buffalo (Bubalus bubalis). Oocytes were matured in vitro in tissue culture medium-199 with and without sericin, and then analyzed by light and transmission electron microscopy. The experiment result showed that the nuclear maturation rate of buffalo oocytes was significantly higher in the presence of sericin (80.6%) than without sericin (68.1%) (P < 0.05). The immature oocytes were characterized by cortical granule clusters in the ooplasm and the absence of perivitelline space (PVS)...
July 19, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28722261/dietary-rice-improves-growth-performance-mucosal-enzyme-activities-and-plasma-urea-nitrogen-in-weaning-piglets
#2
Kazuki Yagami, Ryozo Takada
In this study, we evaluated the nutritional functions of rice for weaning piglets. Sixteen weaning piglets with an average initial weight of 7.2 kg were divided into two groups. One group was fed a corn-soybean meal based diet, and the other was fed a rice-soybean meal based diet, containing 50% corn and rice, respectively. A 2 weeks growth trial was conducted and growth performance, intestinal mucosal enzyme activities and plasma urea nitrogen were measured. The average daily gain in rice-fed piglets was significantly higher than that in corn-fed piglets and the average daily feed intake tended to be higher in rice-fed piglets than in corn-fed piglets...
July 19, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28722260/effect-of-long-distance-transportation-on-serum-metabolic-profiles-of-steer-calves
#3
Satoshi Takemoto, Shozo Tomonaga, Masayuki Funaba, Tohru Matsui
Long-distance transportation is sometimes inevitable in the beef industry because of the geographic separation of major breeding and fattening areas. Long-distance transportation negatively impacts production and health of cattle, which may, at least partly, result from the disturbance of metabolism during and after transportation. However, alteration of metabolism remains elusive in transported cattle. We investigated the effects of transportation on the metabolomic profiles of Holstein steer calves. Non-targeted analysis of serum concentrations of low molecular weight metabolites was performed by gas chromatography mass spectrometry...
July 19, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28722228/combined-effect-of-using-near-infrared-spectroscopy-for-nutritional-evaluation-of-feed-ingredients-and-non-starch-polysaccharide-carbohydrase-complex-on-performance-of-broiler-chickens
#4
Roberto Montanhini Neto, Eric N'Guetta, Cecile Gady, Maria Francesch, Aurélie Preynat
This study was carried out to evaluate the combined effect of using near-infrared spectroscopy (NIRS) for nutritional evaluation of feed ingredients and the addition of non-starch polysaccharide carbohydrase complex (NSP enzymes) on the growth performance of broilers fed diets produced with low-quality wheat and soybean meal. A 2 × 2 trial design was performed, with seven replicates of 40 male Ross 308 broilers per treatment, evaluating the effect of the addition of NSP enzymes and the ingredients' nutritional matrix based on table values or NIRS values...
July 19, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28722236/the-membrane-type-estrogen-receptor-g-protein-coupled-estrogen-receptor-suppresses-lipopolysaccharide-induced-interleukin-6-via-inhibition-of-nuclear-factor-kappa-b-pathway-in-murine-macrophage-cells
#5
Mariko Okamoto, Takuto Suzuki, Yoichi Mizukami, Teruo Ikeda
The female sex hormone estrogen exerts anti-inflammatory effects. The G-protein-coupled estrogen receptor (GPER) has been recently identified as a novel membrane-type estrogen receptor that can mediate non-genomic estrogenic effects on many cell types. We previously demonstrated that GPER inhibits tumor necrosis factor alpha-induced expression of interleukin 6 (IL-6) through repression of nuclear factor-kappa B (NF-κB) promoter activity using human breast cancer cells. Although several reports have indicated that GPER suppresses Toll-like receptor-induced inflammatory cytokine expression in macrophages, the molecular mechanisms of the inhibition of cytokine production via GPER remain poorly understood...
July 18, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28719068/correlation-between-the-proportion-of-stained-eggs-and-the-number-of-mites-dermanyssus-gallinae-monitored-using-a-non-parallel-board-trap
#6
Makiko Odaka, Kazumasa Ogino, Michitaka Shikada, Kenichi Asada, Syoujirou Kasa, Takahiro Inoue, Ken Maeda
The poultry red mite (Dermanyssus gallinae) is a serious problem for the poultry industry worldwide. However, the relationship between the mite population and the damage that they cause is still unclear. In this study, the mite population in poultry houses was examined using an established trap method, and the risk of blood-stained eggs caused by the mites was assessed. Traps were placed once a week outside the egg channels and/or on the floor in two poultry farms in Fukuoka Prefecture, Japan, from April 2012 to July 2014...
July 18, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28707415/effect-of-ginkgo-extract-supplementation-on-in%C3%A2-vitro-rumen-fermentation-and-bacterial-profiles-under-different-dietary-conditions
#7
Seongjin Oh, Satoshi Koike, Yasuo Kobayashi
Ginkgo extract was applied to a batch culture study and evaluated for its potential as a feed additive for ruminant animals under different forage-to-concentrate (F:C) ratios (1:9, 3:7, 5:5, 7:3 and 9:1). Rumen fluid was mixed with respective diet and incubated at 39°C for 24 h with and without ginkgo extract (1.6% fruit equivalent in culture). Methane production was significantly decreased by ginkgo extract, with the greatest reductions found in the 5:5 (41.9%) followed by the 7:3 ratios (36.7%). Total short chain fatty acid and ammonia levels were not affected by ginkgo extract supplementation in any of the five different diets...
July 14, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28699207/supplemental-effect-of-different-levels-of-taurine-in-modena-on-boar-semen-quality-during-liquid-preservation-at-17%C3%A2-c
#8
Hao Li, Xiao-Gang Zhang, Qian Fang, Qi Liu, Ren-Rang Du, Gong-She Yang, Li-Qiang Wang, Jian-Hong Hu
Peroxidation damage induces sublethal injury to boar sperm during the storage process. Taurine has already been demonstrated to protect cells effectively from oxidant-induced injury. This study was aimed to evaluate the effect of different concentrations of taurine (0.5, 1, 5 and 10 mmol/L) in Modena diluent on boar sperm quality during liquid storage at 17°C. Ejaculates from sexually mature Duroc pigs were collected, pooled and preserved in the Modena containing different concentrations of taurine. Sperm motility, plasma membrane integrity, acrosome integrity, total antioxidative capacity (T-AOC) activity and malondialdehyde content (MDA) were examined every 24 h...
July 12, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28699196/cytokeratin-positive-folliculo-stellate-cells-in-chicken-adenohypophysis
#9
Shotaro Nishimura, Miyu Yamashita, Takane Kaneko, Fuminori Kawabata, Shoji Tabata
Folliculo-stellate (FS) cells are non-endocrine cells found in the adenohypophysis and are identified in many animals by the S100 protein marker. Although keratin is another FS marker in several animals, there is no information on localization of keratin in the avian adenohypophysis. In this study, localization of cytokeratin in chicken adenohypophyseal cells was investigated immunohistochemically. Basic cytokeratin (bCK)-positive cells were arranged radially in the cell cords with their cytoplasmic processes reaching the basal lamina...
July 12, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28677294/expression-level-of-the-cytochrome-p450c21-cyp21-protein-correlating-to-drip-loss-in-pigs
#10
Aungsuma Kaewkot, Chaiwat Boonkaewwan, Jatuporn Noosud, Autchara Kayan
Drip loss is an important meat quality trait of fresh meat affecting economic losses. The cytochrome P450c21 (CYP21) protein has a role on cortisol production and depends on stress. This might affect meat quality. The present study aimed to investigate the expression of CYP21 protein in correlation with drip loss. The samples were taken from the Longissimus dorsi muscle to evaluate drip loss (n = 300). Five muscles per group (low and high drip loss) were selected to evaluate CYP21 protein expression levels...
July 5, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28677164/improving-effect-of-dietary-soybean-phospholipids-supplement-on-hepatic-and-serum-indexes-relevant-to-fatty-liver-hemorrhagic-syndrome-in-laying-hens
#11
Fei Yang, Jiming Ruan, Tiancheng Wang, Junrong Luo, Huabin Cao, Yalu Song, Jianzhen Huang, Guoliang Hu
In order to investigate the effect of dietary soybean phospholipid supplement on hepatic and serum indexes relevant to fatty liver hemorrhagic syndrome (FLHS) in layers, 135 300-day-old Hyline Brown layers were randomly divided into three groups (control, pathology and prevention), and each group had 45 layers with three replicates. Birds in the three groups were respectively fed the control diet, high-energy low-protein diet and high-energy high-protein diet affixed with 3% soybean phospholipid instead of maize...
July 5, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28677149/isolating-and-evaluating-lactic-acid-bacteria-strains-for-effectiveness-on-silage-quality-at-low-temperatures-on-the-tibetan-plateau
#12
REVIEW
Siran Wang, Xianjun Yuan, Zhihao Dong, Junfeng Li, Tao Shao
Four lactic acid bacteria (LAB) strains isolated from straw silages on the Tibetan Plateau were characterized, and their effects on the fermentation quality of Italian ryegrass (Lolium multiflorum Lam.) at different temperatures (10°C, 15°C and 25°C) were studied. These LAB isolates were evaluated using the acids production ability test, morphological observation, Gram staining, physiological, biochemical and acid tolerance tests. All the isolates (M1, LM8, LO7 and LOG9) could grow at 5-20°C, pH 3.5-7.0 and NaCl (3...
July 5, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28653795/reduced-energy-density-of-close-up-diets-decrease-ruminal-ph-and-increase-concentration-of-volatile-fatty-acids-postpartum-in-holstein-cows
#13
Wenming Huang, Yujia Tian, Shengli Li, Zhaohai Wu, Zhijun Cao
The objective of this study was to determine the effect of reduced energy density of close-up diets on ruminal fermentation parameters in transition cows. Fourteen Holstein dry cows were blocked and assigned randomly to three groups fed a high energy density diet (HD, 1.62 Mcal of net energy for lactation (NEL )/kg dry matter (DM)), or a middle energy density diet (MD, 1.47 Mcal NEL /kg DM), or a low energy density diet (LD, 1.30 Mcal NEL /kg DM) prepartum, and were fed the same diet postpartum. The reduced energy density diets decreased the average dry matter intake (DMI) prepartum and tended to increase the DMI postpartum...
June 27, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28631434/survival-of-spray-dried-and-free-cells-of-potential-probiotic-lactobacillus-plantarum-564-in-soft-goat-cheese
#14
Zorica Radulović, Jelena Miočinović, Nemanja Mirković, Milica Mirković, Dušanka Paunović, Marina Ivanović, Sanja Seratlić
A high viability of probiotics in food product, with a living cells threshold of 10(7) /cfu/g (colony-forming units/g) is a challenge to achieve in food production. Spray drying is an efficient and economic industrial method for probiotic bacterial preservation and its application in food products. In this study, the survival of free and spray-dried cells of potential probiotic strain Lactobacillus plantarum 564 after production and during 8 weeks of storage of soft acid coagulated goat cheese was investigated, as well as compositional and sensory quality of cheese...
June 19, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28631391/myosin-substitution-rate-is-affected-by-the-amount-of-cytosolic-myosin-in-cultured-muscle-cells
#15
Koichi Ojima, Emi Ichimura, Yuya Yasukawa, Mika Oe, Susumu Muroya, Takahiro Suzuki, Jun-Ichi Wakamatsu, Takanori Nishimura
In striated muscles, approximately 300 myosin molecules form a single thick filament in myofibrils. Each myosin is continuously displaced by another myosin to maintain the thick filament structure. Our previous study using a fluorescence recovery after photobleaching (FRAP) technique showed that the myosin replacement rate is decreased by inhibition of protein synthesis, but myosin is still exchangeable. This result prompted us to examine whether myosin in the cytoplasm is involved in myosin replacement in myofibrils...
June 19, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28631344/evaluation-of-the-genetic-structure-of-sika-deer-cervus-nippon-in-japan-s-kanto-and-tanzawa-mountain-areas-based-on-microsatellite-markers
#16
Sayaka Konishi, Shoko Hata, Sayumi Matsuda, Kazushi Arai, Yasushi Mizoguchi
The browsing habits of sika deer (Cervus nippon) in Japan have caused serious ecological problems. Appropriate management of sika deer populations requires understanding the different genetic structures of local populations. In the present study, we used 10 microsatellite polymorphisms to explore the genetic structures of sika deer populations (162 individuals) living in the Kanto region. The expected heterozygosity of the Tanzawa mountain range population (Group I) was lower than that of the populations in the Kanto mountain areas (Group II)...
June 19, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28594136/extension-of-the-culture-period-for-the-in%C3%A2-vitro-growth-of-bovine-oocytes-in-the-presence-of-bone-morphogenetic-protein-4-increases-oocyte-diameter-but-impairs-subsequent-developmental-competence
#17
Yinghua Yang, Chihiro Kanno, Kenichiro Sakaguchi, Yojiro Yanagawa, Seiji Katagiri, Masashi Nagano
Bone morphogenetic protein-4 (BMP-4) inhibits luteinization of granulosa cells during in vitro growth (IVG) culture of bovine oocytes; however, oocytes derived from a 12 day IVG were less competent for development than in vivo-grown oocytes. We herein investigated whether an extended IVG culture with BMP-4 improves oocyte growth and development to blastocysts after in vitro fertilization. Oocyte-granulosa cell complexes (OGCs) were cultured for 14 or 16 days with BMP-4 (10 ng/mL), while a 12 day culture with BMP-4 served as the in vitro control...
June 8, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28594135/the-igf-1-akt-s6-pathway-and-expressions-of-glycolytic-myosin-heavy-chain-isoforms-are-upregulated-in-chicken-skeletal-muscle-during-the-first-week-after-hatching
#18
Takaoki Saneyasu, Tatsuya Tsuchihashi, Ayana Kitashiro, Nami Tsuchii, Sayaka Kimura, Kazuhisa Honda, Hiroshi Kamisoyama
Skeletal muscle mass is an important trait in the animal industry. We previously reported an age-dependent downregulation of the insulin-like growth factor 1 (IGF-1)/Akt/S6 pathway, major protein synthesis pathway, in chicken breast muscle after 1 week of age, despite a continuous increase of breast muscle weight. Myosin heavy chain (HC), a major protein in muscle fiber, has several isoforms depending on chicken skeletal muscle types. HC I (fast-twitch glycolytic type) is known to be expressed in adult chicken breast muscle...
June 8, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28594103/dietary-%C3%AE-ketoglutarate-supplementation-improves-hepatic-and-intestinal-energy-status-and-anti-oxidative-capacity-of-cherry-valley-ducks
#19
Shuangshuang Guo, Rui Duan, Lei Wang, Yongqing Hou, Linglin Tan, Qiang Cheng, Man Liao, Binying Ding
α-Ketoglutarate (AKG) is an extensively used dietary supplement in human and animal nutrition. The aim of the present study was to investigate effects of dietary AKG supplementation on the energy status and anti-oxidative capacity in liver and intestinal mucosa of Cherry Valley ducks. A total of 80 1-day-old ducks were randomly assigned into four groups, in which ducks were fed basal diets supplemented with 0% (control), 0.5%, 1.0% and 1.5% AKG, respectively. Graded doses of AKG supplementation linearly decreased the ratio of adenosine monophosphate (AMP) to adenosine triphosphate (ATP) in the liver, but increased ATP content and adenylate energy charge (AEC) in a quadratic and linear manner, respectively (P < 0...
June 8, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28594101/effects-of-different-n-6-to-n-3-polyunsaturated-fatty-acids-ratio-on-reproductive-performance-fecal-microbiota-and-nutrient-digestibility-of-gestation-lactating-sows-and-suckling-piglets
#20
Jia Yin, Kwang Yong Lee, Jong Keun Kim, In Ho Kim
This study was conducted to evaluate the effects of dietary ratios of n-6:n-3 polyunsaturated fatty acids (PUFA) on reproductive performance, fecal microbiota and nutrient digestibility of gestation-lactating sows and suckling piglets. Fifteen primiparous sows (Landrace × Yorkshire) were randomly allotted into three treatments. Fed diets contained different ratios of n-6:n-3 PUFA, including 20:1, 15:1 and 10:1. No differences were detected among the treatments for average daily feed intake (ADFI) of sows and the back fat levels during lactation (P > 0...
June 8, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
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