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Animal Science Journal, Nihon Chikusan Gakkaihō

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https://www.readbyqxmd.com/read/29682864/effects-of-stocking-density-on-growth-performance-meat-quality-and-tibia-development-of-pekin-ducks
#1
Ya Ru Zhang, Lu Shuang Zhang, Zhong Wang, Yang Liu, Fu Huang Li, Jian Min Yuan, Zhao Fei Xia
This study was performed to investigate the effects of stocking density on performance, meat quality and tibia development in Pekin ducks reared on a plastic wire floor. A total of 372 healthy, 21-day-old, male ducks with similar body weight (BW) were randomly allotted to stocking densities of five (low), eight (medium) and 11 (high) birds/m2 . Each group had six replicates. Results showed that compared with the low density group, medium and high stocking density caused a decrease in final BW at 42 days old, and in average daily gain, European performance index (p < ...
April 23, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29671923/sucrose-assists-selection-of-high-quality-oocytes-in-pigs
#2
Thanh Quang Dang-Nguyen, Hiep Thi Nguyen, Tamas Somfai, David Wells, Nguyen Thi Men, Nguyen Viet-Linh, Junko Noguchi, Hiroyuki Kaneko, Kazuhiro Kikuchi, Takashi Nagai
We investigated whether high-quality in vitro matured (IVM) oocytes can be distinguished from poor ones based on the morphological changes after treatment with hyperosmotic medium containing 0.2 mol/L sucrose in pigs. We hypothesize that IVM oocytes maintaining round shape have higher quality than mis-shapened oocytes following dehydration. Oocyte quality was verified by determining embryonic developmental competence using in vitro fertilization, nuclear transfer and parthenogenetic activation. In all cases, the round oocytes had greater (p < ...
April 19, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29667280/grass-greenness-flush-can-influence-breeding-phenology-and-fertility-in-equatorial-thoroughbred-mares-in-the-absence-of-photoperiod-variation
#3
Juan Carranza, Washington A Yoong, Belén Caño Vergara, Abel Briones, Concha Mateos
Reproductive phenology is an important trait subjected to natural selection. Current horses in America belong to the Palearctic original populations after being introduced by European colonizers. Photoperiod variation is the main environmental factor for the adjustment of reproductive timing in horses, but is absent in equatorial areas. Here we hypothesize that seasonality of green-grass availability may influence breeding phenology in equatorial regions. We used data of 929 services to mares from 2006 to 2011 in a thoroughbred equine exploitation in Ecuador that experienced strong grass seasonality...
April 17, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29665200/superchilled-storage-2-5-%C3%A2-1%C3%A2-c-extends-the-retention-of-taste-active-and-volatile-compounds-of-yellow-feather-chicken-soup
#4
Xiao Li, Jing Zhu, Jun Qi, Peng Wang, Xinglian Xu, Guanghong Zhou
This work investigated the effects of refrigerated storage (RS: 4 ± 1°C) and superchilled storage (SS: -2.5 ± 1°C) on non-volatile and volatile compounds in chicken soup made from Chinese yellow-feather broilers. The results from total viable count (TVC) and coliform analysis showed that soups were safe for human consumption after a storage period of 42 days. SS resulted in a significantly (p < .05) higher content of free amino acids (umami and sweet taste) and 5'-nucleotides (inosine 5'-monophosphate and adenosine 5'-monophosphate) from 21 to 42 days compared to RS...
April 17, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29603498/effects-of-the-butyric-acid-producing-strain-clostridium-butyricum-miyairi-588-on-broiler-and-piglet-zootechnical-performance-and-prevention-of-necrotic-enteritis
#5
Motomichi Takahashi, Elinor McCartney, Anne Knox, Maria Francesch, Kentaro Oka, Kaoruko Wada, Marie Ideno, Koji Uno, Krzysztof Kozłowski, Jan Jankowski, Marta I Gracia, Joaquin Morales, Spyridon K Kritas, Enric Esteve-Garcia, Shigeru Kamiya
The objective of this study was to assess the effects of a probiotic strain Clostridium butyricumMIYAIRI 588 (CBM588) on broiler and weaned piglet health and zootechnical performance. Five field studies were carried out in broilers and five in weaned piglets under European feed additive guidelines. Each study followed a randomized blocked design with two treatments: Control (basal diet) and CBM588 supplemented groups. The zootechnical performance parameters selected were body weight, daily gain, feed intake and feed efficiency (feed:gain)...
March 30, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29602247/mortality-in-rabbits-transported-for-slaughter
#6
Eva Voslarova, Vladimir Vecerek, Iveta Bedanova, Lenka Vecerkova
During transport rabbits may be exposed to various stressors which can compromise both their welfare and meat quality. Mortality related to the commercial transport of rabbits for slaughter was analyzed in the Czech Republic in the period from 2009 to 2016. The overall transport-related mortality of rabbits was 0.19%. Transport distance was found to have an impact on rabbit mortality; significantly (p < .001) greater losses were found in rabbits transported over longer distances. Mortality rates ranged from 0...
March 30, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29602234/a-new-insight-into-cystatin-c-contained-in-milk-basic-protein-to-bone-metabolism-effects-on-osteoclasts-and-osteoblastic-mc3t3-e1-cells-in-vitro
#7
Takehiko Yasueda, Yusuke Abe, Mayumi Shiba, Yoshie Kamo, Yasuyuki Seto
A milk protein fraction possessing alkaline isoelectric points (milk basic protein [MBP]) improves bone metabolism in vivo, and it inhibits bone resorption by osteoclasts and promotes mouse osteoblastic MC3T3-E1 cells proliferation in vitro. Cystatin C (CysC) is a component of MBP and shows bone resorption inhibitory activity. Therefore, it is likely that MBP with higher CysC content improves bone metabolism more effectively. In this study, we prepared MBP with low and high contents of CysC and compared its effects on bone metabolism with standard MBP in vitro...
March 30, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29602194/genome-wide-association-studies-for-two-exterior-traits-in-chinese-dongxiang-spotted-pigs
#8
Chengbin Wang, Xiaopeng Wang, Jianhong Tang, Hao Chen, Junjie Zhang, Yiping Li, Shengrong Lei, Huayuan Ji, Bin Yang, Jun Ren, Nengshui Ding
Pigs show extensive variation in exterior appearance. This variation has been explored as one of the selection targets to form breeding features in the pig industry. In this study, a customized Affymetrix Axiom Pig1.4M array plate was used to conduct genome-wide association studies (GWAS) for two exterior traits-spotted coat color (SC) and facial type (FT)-in Chinese Dongxiang spotted pigs. Two and 12 single nucleotide polymorphisms (SNPs) were identified to be associated with SC and FT at the 5% genome-wide significant level, respectively...
March 30, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29575645/mir-330-5p-negatively-regulates-ovine-preadipocyte-differentiation-by-targeting-branched-chain-aminotransferase-2
#9
Tao Shi, Xiaoru Yan, Liying Qiao, Baojun Li, Lifen Cheng, Yangyang Pan, Jiongjie Jing, Ningxian Cao, Wenzhong Liu
The differentiation of preadipocytes into adipose tissues is tightly regulated by various factors including microRNAs and cytokines. This article aims to study the effect of miR-330-5p on expression of BCAT2 in ovine preadipocytes. Ovine preadipocytes were isolated, and we found that the miR-330-5p expression decreased gradually during the early differentiation of ovine preadipocytes, while BCAT2 expression increased. BCAT2 was identified as a direct target of miR-330-5p, ectopic expression of miR-330-5p could change the expression of both BCAT2 mRNA and protein...
March 25, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29575598/effects-of-polyphenolic-extract-from-eucommia-ulmoides-oliver-leaf-on-growth-performance-digestibility-rumen-fermentation-and-antioxidant-status-of-fattening-lambs
#10
Huawei Liu, Ke Li, Jinshan Zhao, Wen Deng
To investigate the effects of polyphenolic extract from Eucommia ulmoides Oliver leaf (PEEU) on growth performance, digestibility, rumen fermentation and antioxidant status of fattening lambs, 30 weaned male Huzhou lambs were equally divided into three treatments and fed the basal diet supplemented with 0 (CON), 5 (PEEU5) or 10 (PEEU10) g/kg PEEU. Dietary PEEU supplementation did not affect growth performance and apparent digestibility of nutrients. Compared with the CON group, lambs in the PEEU10 group had lower ammonia nitrogen concentration (p < ...
March 24, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29536596/occurrence-of-reproductive-disorders-in-pig-herds-with-and-without-chlamydia-suis-infection-statistical-analysis-of-breeding-parameters
#11
Krzysztof Rypuła, Aleksandra Kumala, Katarzyna Płoneczka-Janeczko, Paweł Lis, Ewa Karuga-Kuźniewska, Krzysztof Dudek, Ireneusz Całkosiński, Patrycja Kuźnik, Paweł Chorbiński
Chlamydiae are frequently encountered Gram-negative intracellular eubacteria that can cause clear manifestations or clinically asymptomatic disorders. C. suis and other chlamydia are primarily isolated in cases of reproductive disorders. This study was performed to estimate the impact of Chlamydia suis infection on reproduction in sows by analyzing reproduction rates and breeding parameters. The test was conducted on first generation (F1) pigs from Polish Landrace (PL) × Polish Large White (PLW). Sixty-four herds were investigated and 500 vaginal swabs were collected...
March 13, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29536589/transcriptome-differences-in-frontal-cortex-between-wild-boar-and-domesticated-pig
#12
Keren Long, Ke Mao, Tiandong Che, Jinwei Zhang, Wanling Qiu, Yujie Wang, Qianzi Tang, Jideng Ma, Mingzhou Li, Xuewei Li
Animal domestication is a long-term, multistage process that results in modifications of many traits, especially the less aggressive behavior in domesticated animals. In this study, we used the Illumina RNA-seq to compare the transcriptome in brain frontal cortex between wild boar and Rongchang pig, a typical indigenous domestic pig in China, and revealed that 604 genes and 639 genes were specifically detected in wild boar and domesticated pig, respectively, with distinct functional characteristics that may be related to their respective environment...
March 13, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29508507/genetic-evaluation-of-reproductive-potential-in-the-zatorska-goose-under-a-conservation-program
#13
Magdalena Graczyk, Krzysztof Andres, Ewa Kapkowska, Tomasz Szwaczkowski
The aim of this study was to estimate the genetic parameters and inbreeding effect on the fertility, embryo mortality and hatchability traits in the Zatorska goose covered by the animal genetic resources conservation program. The material for this study contains information about results of hatching of 18 863 eggs from 721 dams and 168 sires, laid between 1998-2015. Genetic parameters were estimated based on the threshold animal model by the use of Restricted Maximum Likelihood and Gibbs sampling. The percentage of fertilized eggs ranged yearly between 37-80%...
March 5, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29460317/effects-of-aldehyde-products-of-lipid-oxidation-on-the-color-stability-and-metmyoglobin-reducing-ability-of-bovine-longissimus-muscle
#14
Cheng Chen, Qunli Yu, Ling Han, Jiaying Zhang, Zhaobin Guo
Lipid oxidation and metmyoglobin (MMb) reduction are popular issues in meat color research. This study evaluated the effects of aldehyde products, particularly 4-hydroxy-2-nonenal (HNE) and hexenal, of lipid oxidation on the oxymyoglobin stability, mitochondrial membrane permeability, MMb reduction ability, electron transport chain-mediated MMb reduction, and nicotinamide adenine dinucleotide reduced form (NADH)-dependent MMb reductase activity of bovine Longissimus muscle. The results indicated that HNE and hexenal accelerate the oxidation rate of oxymyoglobin, significantly increase the permeability of the mitochondrial membrane, and inhibit electron transport chain-mediated MMb reduction...
February 20, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29460471/generation-of-anti-porcine-cd69-monoclonal-antibodies-and-their-usefulness-to-evaluate-early-activation-of-cellular-immunity-by-flow-cytometric-analysis
#15
Yumiko Hayashi, Mie Okutani, Shohei Ogawa, Takamitsu Tsukahara, Ryo Inoue
T cell-mediated cellular immunity and humoral immunity are equally important for the prevention of diseases. To assess activation of human and mouse cellular immunity, early activation markers of lymphocytes are often used in flow cytometry targeting expression of CD69 molecules. Response of humoral immunity against infection or vaccination has been well investigated in pigs, but that of cellular immunity has been largely neglected due to lack of direct evaluation tools. Thus, in pig research a proper assay of antibody reacted with porcine CD69 is still unavailable...
February 19, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29460372/effects-of-a-rice-diet-and-phytase-addition-on-growth-performance-tissue-weights-phosphorus-and-nitrogen-retention-and-on-liver-threonine-dehydrogenase-malic-enzyme-and-fatty-acid-synthase-activities-in-broiler-chicks
#16
Hiroya Fujimoto, Nozomi Fujita, Ryozo Takada
This experiment was conducted to clarify the nutritional functions of rice and phytase addition for broiler chicks. Thirty-six 7-day-old male chicks (ROSS 308 strain) were assigned to one of the four treatment groups: corn- or rice-based diet groups and each diet with added phytase (2000 phytase units/kg diet) groups (corn + P or rice + P groups). The non-phytate phosphorus (npP) content in the diets with added phytase was approximately half of the requirement. Body weight gain and feed intake in the rice group was significantly higher than those in the corn group...
February 19, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29405491/analysis-of-influencing-factors-of-boar-claw-lesion-and-lameness
#17
Chao Wang, Jia-Lian Li, Hong-Kui Wei, Yuan-Fei Zhou, Jia-Jian Tan, Hai-Qing Sun, Si-Wen Jiang, Jian Peng
This study aimed to investigate the factors affecting boar claw lesions and lameness. A total of 1299 boars were examined for claw lesions and lameness, including 788 boars reared in individual pens with solid concreted floor (IPS) and 511 boars raised in individual stalls with slatted floor (ISS). Flooring type showed significant impacts on all claw lesion types (P < 0.01). Except for swelling ankle, boar age had significant effects on all other claw lesion types (P < 0.01). In addition, only heel overgrowth and erosion, cracked wall horizontal, heel-sole crack, dew claws, and toes were significantly related to boar breeds (P < 0...
February 6, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29399930/multi-level-mixed-models-for-evaluating-factors-affecting-the-mortality-and-weaning-weight-of-piglets-in-large-scale-commercial-farms-in-central-china
#18
Ze-Xue Liu, Hong-Kui Wei, Yuan-Fei Zhou, Jian Peng
This study investigated the factors affecting piglet mortality (square root of mortality, SQRM) and average weaning weight (AWW) in commercial farms in central China. Information on sow diets, management and climate from 2478 weaning batches completed in 16 pig farms was collected from 2009 to 2013. Multi-level mixed models, which included batch level (level 1) and farm level (level 2), were used to analyze the factors associated with SQRM and AWW. The mean values of SQRM and AWW were 2.52% (SD = 0.96) and 7...
February 4, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29392792/genetic-diversity-and-population-structure-of-polish-arabian-horses-assessed-through-breeding-and-microsatellite-data
#19
Iwona Głażewska, Barbara Gralak, Aleksandra M Naczk, Beata Prusak
Polish Arabian horses are one of the most important populations of this breed in the world. Their post-war history can be divided into two periods, with the dominant role of state studs until 1989, and the increasing significance of private breeding in the next years. The goal of the study was to evaluate genetic diversity and structure of the population under a new breeding policy. The analyses of breeding and microsatellite data from 1996 to 2012 provide a coherent picture of the population with constant flow of horses only in one direction from state to private studs...
February 2, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29392795/hypolipidemic-and-anti-inflammatory-effects-of-aorta-and-heart-tissues-of-cattle-and-pigs-in-the-atherosclerosis-rat-model
#20
Irina M Chernukha, Liliya V Fedulova, Elena A Kotenkova, Shiro Takeda, Ryoichi Sakata
The aim of this study was to investigate the effects of aorta and heart tissues obtained from cattle and pigs on atherosclerosis disorders. Atherosclerosis model rats were provided with the respective diets consisting of aorta and heart tissues. Administration of each tissue suppressed body weight gain as compared to that of the control. In particular, the aorta tissues of pigs and cattle demonstrated significant suppressions in body weight gain in the model rats. The aorta tissues of pigs and cattle showed a significant increase and decrease in the serum high-density lipoproteins and atherogenic index, respectively, which was correlated with the increase in apolipoprotein A1...
February 1, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
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