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Animal Science Journal, Nihon Chikusan Gakkaihō

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https://www.readbyqxmd.com/read/29235214/the-effect-of-administration-of-copper-nanoparticles-to-chickens-in-their-drinking-water-on-the-immune-and-antioxidant-status-of-the-blood
#1
Katarzyna Ognik, Iwona Sembratowicz, Ewelina Cholewińska, Jan Jankowski, Krzysztof Kozłowski, Jerzy Juśkiewicz, Zenon Zduńczyk
The aim of this experiment was to determine what dosage of copper (Cu) nanoparticles, added to a standard dietary supplementation with copper sulfate, would improve antioxidant and immune defense in chickens. The experiment was conducted with 126 broiler chickens assigned to seven treatments with three pens per treatment and six broiler chickens per pen. The basal-diet treatment did not receive Cu nanoparticles (nano-Cu) and as shown by analyses it was Cu-deficient (-29% vs. National Research Council (NRC) recommendations; 5...
December 12, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29231279/copper-sulphate-forms-in-piglet-diets-microbiota-intestinal-morphology-and-enteric-nervous-system-glial%C3%A2-cells
#2
Alessia Di Giancamillo, Raffaella Rossi, Piera Anna Martino, Lucia Aidos, Federica Maghin, Cinzia Domeneghini, Carlo Corino
The objective of this study was to evaluate dietary supplementation with different copper sulphate (CuSO4 ) forms on small intestine microanatomy and large intestine microbiota. Ninety weaned piglets were divided into three experimental groups: control diet (CTR), with no added CuSO4 and diets supplemented with 150 ppm of CuSO4 in protected (150P) and unprotected form (150UP). After 18 days of dietary treatment, six piglets per treatment were randomly selected and sacrificed. Duodenum villi length and crypt depths were higher (P < 0...
December 12, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29231275/effects-of-limit-feeding-diets-with-different-forage-to-concentrate-ratios-on-nutrient-intake-rumination-ruminal-fermentation-digestibility-blood-parameters-and-growth-in-holstein-heifers
#3
Jun Zhang, Haitao Shi, Yajing Wang, Shengli Li, Hongtao Zhang, Zhijun Cao, Kailun Yang
The objective of this study was using a wide range of dietary concentrate levels to investigate the major effects of limit-feeding on heifers. Twenty-four Holstein heifers were blocked into six groups and fed with one of four diets containing different levels of concentrate (20%, 40%, 60% and 80% on a dry matter (DM) basis) but with same intakes of metabolizable energy for 28 days. Increasing levels of dietary concentrate caused decreased (P ≤ 0.02) intakes of dry matter (DMI) and neutral detergent fiber and total rumination time, but increased (P < 0...
December 12, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29214706/growth-performance-carcass-traits-and-meat-quality-of-yellow-feathered-broilers-fed-graded-levels-of-alfalfa-meal-with-or-without-wheat
#4
Shouqun Jiang, Zhongyong Gou, Long Li, Xiajing Lin, Zongyong Jiang
The effects of 0, 40 and 80 g/kg alfalfa meal on growth performance, carcass traits and meat quality of Chinese yellow-feathered broilers fed diets containing or lacking wheat (0 or 200 g/kg) as part of the energy source, were examined using random design with a 2 × 3 factorial arrangement of treatments. Dressing percentage and semi-eviscerated proportion were lower, and meat color a* (redness) value was higher in birds fed diets containing wheat than diets lacking wheat (P < 0.05). Drip loss was reduced by the addition of alfalfa meal to diets containing or lacking wheat (P < 0...
December 7, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29214693/characterization-of-myofibrillar-adenosine-triphosphatase-activity-and-liberation-of-actin-from-myofibrils-upon-heating-chicken-breast-meat
#5
Masanori Matsuishi, Yoshitaka Eda, Emi Saito, Shohei Yamamoto, Kenji Kanamori, Yuto Goto, Yutaro Kobayashi, Akihiro Okitani
Denaturation of actin and myosin in myofibrils induced by heating at 50°C was investigated to reveal the mechanism of irreversible liberation of actin from myofibrils on heating at lower temperatures than conventional cooking. Denaturation of these proteins was determined by Mg2+ -ATPase (adenosine triphosphatase) and Ca2+ -ATPase activities. When minced meat was heated for 20 min, actin was liberated accompanying denaturation of 80% of actin and 50% of myosin. Heating of the myofibrillar fraction (MFF) isolated from meat homogenate induced much slower denaturation of actin than myosin...
December 7, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29214681/thyroid-hormones-alter-estrous-cyclicity-and-antioxidative-status-in-the-ovaries-of-rats
#6
Quanwei Wei, Jaafar Sulieman Fedail, Lingfa Kong, Kaizhi Zheng, Chunhua Meng, Mohamed Babo Fadlalla, Fangxiong Shi
To expand our understanding of the roles of thyroid hormones on female reproduction, we induced hypo- and hyper-T rat models to investigate the roles of thyroid hormones on estrous cyclicity, as well as the antioxidative status in the ovaries of rats. In the current study, our data show that hypothyroidism (hypo-T) and hyperthyroidism (hyper-T) led to significantly reduced body weights and ovarain weights and delayed vaginal opening day. For hyper-T, thyroxine (T4), tri-iodothyronine (T3), progesterone (P4) and follicle-stimulating hormone (FSH) were significantly increased, while estradiol (E2) and luteinizing hormone (LH) were significantly decreased...
December 7, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29205706/effect-of-fermented-total-mixed-rations-on-the-growth-performance-carcass-and-meat-quality-characteristics-of-hanwoo-steers
#7
Tae-Il Kim, Vijayakumar Mayakrishnan, Dong-Hyun Lim, Jeong-Ha Yeon, Kwang-Soo Baek
This study was conducted to assess the effects of fermented total mixed ration (FTMR) on the growth performance, carcass and meat quality traits of Hanwoo steers. The present study evidenced that the FTMR had a strong effect on dry matter intake, body weight, daily gain, slaughter weight and carcass characteristics compared with control animals. The results showed that the dry matter intake (7.17 ± 0.13 kg), average body weight (615.20 ± 112.82 kg), and daily gain (0.56 ± 0.16 kg) were greater in animals receiving FTMR than in control animals (P < 0...
December 4, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29205698/effects-of-dietary-protein-level-during-rearing-period-and-age-at-overfeeding-on-magret-and-foie-gras-quality-in-male-mule-ducks
#8
Julien Arroyo, Caroline Molette, Franck Lavigne, Carole Margetyal, Olivier Amador, Jean-Pierre Dubois, Laurence Fortun-Lamothe
The aim of this trial was to study the effects of dietary protein content during the rearing period on the performance of mule ducks, according to age at overfeeding (O). Ducks (n = 612) were divided into four groups differing in the protein content in the diet offered during the starting period (S, 0-20 days; Sl vs. Sh : 150 vs. 175 g/kg crude protein (CP)) and growing-finishing period (GF; 21-67 or 81 days, depending on age at O; GFl vs. GFh : 133 vs. 152 g/kg CP). The relative weight of pectoral muscle was lower when ducks were fed a low protein diet during S (-5%, P < 0...
December 4, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29178632/different-prostaglandin-f2-%C3%AE-secretion-in-response-to-oxytocin-injection-between-pregnant-and-non-pregnant-cows-effect-of-the-day-of-oxytocin-challenge-test-for-determining-the-difference
#9
Tomoaki Kubo, Kosuke Iga, Naoki Fukuju, Keiichiro Kizaki, Takeshi Osawa, Yoshiaki Izaike, Toru Takahashi
The present study was conducted to determine the difference in plasma prostaglandin F2 α metabolite concentrations following oxytocin (OT) challenge between pregnant and non-pregnant cows. Experiment 1: cows were subjected to the OT challenge test on days 12, 14 or 16 (day of estrus = day 0) with or without prior insemination and plasma 13,14-dihydro-15-keto prostaglandin F2 α (PGFM) concentrations were measured from -30 to 180 min after OT injection. On day 16, the increment of plasma PGFM concentrations in response to OT injection was significantly smaller in pregnant than that in cyclic cows...
November 27, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29178505/expression-levels-of-taste-related-genes-in-palate-and-tongue-tip-and-involvement-of-transient-receptor-potential-subfamily-m-member-5-trpm5-in-taste-sense-in-chickens
#10
Yuta Yoshida, Fuminori Kawabata, Yuko Kawabata, Shotaro Nishimura, Shoji Tabata
The elucidation of the mechanisms underlying the taste sense of chickens will contribute to improvements in poultry feeding, because the molecular mechanism of chickens' taste sense defines the feeding behavior of chickens. Here we focused on the gene expressions in two different oral tissues of chickens - the palate, which contains many taste buds, and the tongue tip, which contains few taste buds. Using the quantitative real-time polymerase chain reaction method, we found that the molecular markers for taste buds of chickens, that is α-gustducin and vimentin, were expressed significantly highly in the palate compared to the tongue tip...
November 27, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29164733/regulation-of-intestinal-health-by-branched-chain-amino-acids
#11
REVIEW
Hua Zhou, Bing Yu, Jun Gao, John Khun Htoo, Daiwen Chen
Besides its primary role in the digestion and absorption of nutrients, the intestine also interacts with a complex external milieu, and is the first defense line against noxious pathogens and antigens. Dysfunction of the intestinal barrier is associated with enhanced intestinal permeability and development of various gastrointestinal diseases. The branched-chain amino acids (BCAAs) are important nutrients, which are the essential substrates for protein biosynthesis. Recently, emerging evidence showed that BCAAs are involved in maintaining intestinal barrier function...
November 22, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29154485/epistatic-effects-between-pairs-of-the-growth-hormone-secretagogue-receptor-1a-growth-hormone-growth-hormone-receptor-non-smc-condensin-i-complex-subunit-g-and-stearoyl-coa-desaturase-genes-on-carcass-price-related-and-fatty-acid-composition-traits-in-japanese
#12
Masanori Komatsu, Kagetomo Nishino, Yuki Fujimori, Yasutoshi Haga, Nagako Iwama, Aisaku Arakawa, Yoshito Aihara, Hisato Takeda, Hideaki Takahashi
Growth hormone secretagogue receptor 1a (GHSR1a), growth hormone (GH), growth hormone receptor (GHR), non-SMC condensin I complex, subunit G (NCAPG) and stearoyl-CoA desaturase (SCD), are known to play important roles in growth and lipid metabolisms. Single and epistatic effects of the five genes on carcass, price-related and fatty acid (FA) composition traits were analyzed in a commercial Japanese Black cattle population of Ibaraki Prefecture. A total of 650 steers and 116 heifers for carcass and price-related traits, and 158 steers for FA composition traits were used in this study...
November 20, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29154482/development-of-furnished-cages-re-using-conventional-cages-for-laying-hens-behaviour-physical-condition-and-productivity
#13
Tsuyoshi Shimmura, Naoko Maekawa, Satoshi Hirahara, Toshio Tanaka, Michael C Appleby
Furnished cages for laying hens have advantages in allowing normal behaviors and maintaining productivity. As the cost of introduction is a barrier for farms, we developed furnished cages that re-use conventional cages. To determine the minimum and functional cage design, we compared six designs, combinations of two floor designs (artificial turf or wire cage floor) and three screening designs in the integrated area (no screening, one entrance side or four sides). In total, 144 hens were used, and we measured behavior, physical condition and productivity...
November 20, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29154473/influences-of-quorum-quenching-probiotic-bacteria-on-the-gut-microbial-community-and-immune-function-in-weaning-pigs
#14
Jonggun Kim, Jaepil Kim, Younghoon Kim, Sangnam Oh, Minho Song, Jee Hwan Choe, Kwang-Youn Whang, Kwang Hyun Kim, Sejong Oh
The aim of this study is to investigate the dynamic gut microbial diversity in weaning swine after administering feed supplemented with probiotic bacteria that specifically inhibit the activity of quorum molecules. Initially, the universal quorum molecule autoinducer-2 (AI-2) bioassay results indicated that AI-2 activity was profoundly inhibited in enterohemorrhagic Escherichia coli (EHEC) O157:H7 in the presence of Lactobacillus acidophilus strain 30SC cell extract, although the growth of EHEC was not affected...
November 20, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29154437/effect-of-adding-different-levels-of-rumen-protected-choline-to-the-diet-on-productive-and-reproductive-performance-of-female-goats-and-growth-of-their-kids-from-birthing-to-weaning
#15
Alsaied A Habeeb, Ahmed E Gad, Mostafa A Atta, Mohammed M Mustafa
Forty female goats in the third parity were randomly divided into four similar groups. The experiment was started 20 days before mating and lasted until the end of the suckling period for 60 days and weaning their kids. The first group were fed diet without supplementation and kept as control while in the second, third and fourth groups, each doe was fed diets with rumen protected choline (RPC) at the rate of 10, 20 and 40 g/day, respectively. Results showed that number of doe kidding twins and triplets and litter weight of kids born per group increased with increasing the level of RPC in the diet of goats and viability rate of born kids during the suckling period improved due to RPC supplementation in the diets of their mothers...
November 20, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29154397/effects-of-high-ambient-temperature-on-plasma-metabolomic-profiles-in-chicks
#16
Shozo Tomonaga, Hirofumi Okuyama, Tetsuya Tachibana, Ryosuke Makino
Exposure to high ambient temperature is detrimental to the poultry industry. To understand the influence from a metabolic perspective, we investigated the effects of exposure to high ambient temperature on plasma low-molecular-weight metabolite levels in chicks using gas chromatography/mass spectrometry-based non-targeted metabolomic analysis. Heat exposure for 4 days suppressed growth and food intake. Of the 92 metabolites identified, the levels of 29 decreased, whereas the levels of nine increased. We performed an enrichment analysis on the identified metabolites and found 35 candidates for metabolic processes affected by heat exposure...
November 20, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29131456/performance-and-hemtochemical-parameters-of-buck-kids-fed-concentrate-partially-replaced-with-tropical-piliostigma-thonningii-foliage
#17
Olurotimi A Olafadehan, Ahmed A Njidda, Sunday A Okunade, Sarah O Salihu, David O Balogun, Abdelfattah Z M Salem
Fifteen 5-month-old Red Sokoto buck-kids, (6.6 ± 0.71 kg body weight (BW)) randomly distributed into three groups of five animals per group, were used to study the effects of supplementary concentrate partially replaced with Piliostigma thonningii (PT) foliage on the growth performance, economic benefit and blood profile in a completely randomized design using analysis of variance. The goats in group 1 received 100% supplementary concentrates (PT0), groups 2 and 3 received 25% (PT25) and 50% (PT50), respectively, of concentrate replaced with an equal amount (dry matter basis) of Piliostigma foliage...
November 12, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29131455/effects-of-supplementary-amino-acids-on-available-energy-of-soybean-meal-determined-by-difference-and-regression-methods-fed-to-growing-pigs
#18
Jinbiao Zhao, Chuanxin Shi, Zhongchao Li, Ji Wang, Ling Liu, Defa Li, Shuai Zhang
This study was conducted to evaluate effects of inclusion level and supplementary amino acids (AAs) on digestible energy (DE) and metabolizable energy (ME) values of soybean meal (SBM) fed to growing pigs, determined by difference and regression methods. Sixty pigs were fed 10 diets according to a 5 × 2 factorial arrangement. Two control diets contained 97.34% corn without supplementary AAs or 95.61% corn with supplementary AAs. Eight diets were formulated by replacing corn and AAs in control diets with 8%, 15%, 25% and 31% SBM...
November 12, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29119699/effect-of-follistatin-on-pre-implantational-development-of-pig-parthenogenetic-embryos
#19
Yunsheng Li, Xing Liu, Zhen Chen, Dandan Song, Jie Yang, Xiaoyuan Zuo, Zubing Cao, Ya Liu, Yunhai Zhang
The present study was designed to explore effects of follistatin (FST) on pre-implantational development of parthenogenetically activated embryos (PAEs) in pigs. First, we investigated the FST messenger RNA expression level and dynamic FST protein expression patterns in porcine oocytes and PAEs. Then, PAEs were placed in embryo culture medium supplemented with 10 ng/mL of FST-288, FST-300, and FST-315. Next, PAEs were cultured with 0, 1, 10 and 100 ng/mL of FST-315 protein throughout the in vitro culture (IVC) duration...
November 9, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29115011/relationship-of-the-conception-rate-and-the-side-left-or-right-of-preovulatory-follicle-location-at-artificial-insemination-in-dairy-heifers
#20
Ryotaro Miura, Taiki Izumi
In this study, we examined the locational effect (left or right ovary) of the preovulatory follicle (PF) on fertility in dairy heifers. In total, 1,111 artificial inseminations (AI) were analyzed. At AI, PF locations were examined using rectal palpation, and heifers were divided into two groups on their PF locations: (i) the PF located in the left ovary (L-PF); and (ii) the PF located in the right ovary (R-PF). Pregnancy was diagnosed by rectal palpation 60 days after AI. The conception rate was 50.7% in all heifers...
November 8, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
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