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Animal Science Journal, Nihon Chikusan Gakkaihō

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https://www.readbyqxmd.com/read/29923358/improving-effects-of-dietary-rumen-protected-%C3%AE-aminobutyric-acid-additive-on-apparent-nutrient-digestibility-growth-performance-and-health-status-in-heat-stressed-beef-cattle
#1
Kun Guo, Huabin Cao, Yuanjun Zhu, Tiancheng Wang, Guoliang Hu, Bunlue Kornmatitsuk, Junrong Luo
This study was aimed to investigate the effects of rumen-protected γ-aminobutyric acid (RP-GABA) on apparent nutrient digestibility, growth performance and health status in heat stressed beef cattle. Fifty Jinjiang Yellow cattle were randomly assigned to 5 treatments (10 animals/treatment). Treatments 1 to 5 were basal diets affixed with 0 (control), 8, 16, 24 and 32 mg of RP-GABA/kg of body weight (BW) respectively. The trial lasted 45 days. Apparent digestibility of crude protein (CP), crude fiber (CF) and calcium (Ca) quadratically increased with increasing RP-GABA (p < ...
June 20, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29923281/changes-in-the-quality-of-meat-longissimus-thoracis-et-lumborum-from-kamieniec-lambs-during-long-term-freezer-storage
#2
Tomasz Daszkiewicz, Cezary Purwin, Dorota Kubiak, Maja Fijałkowska, Emilia Kozłowska, Zofia Antoszkiewicz
The aim of this study was to determine changes in the quality of lamb meat (Longissimus thoracis et lumborum), which was vacuum-packaged and freezer-stored (-26°C) for 6 and 12 months. The experiment was performed on 12 male lambs of the Kamieniec Longwool breed, raised to 106 days of age. In comparison with fresh meat, thawed meat was characterized by lower ash content, higher pH, greater natural drip loss and cooking loss, and lower scores for taste intensity. Vacuum packaging and low-temperature storage protected lamb meat against oxidative changes, and alleviated the adverse effects of oxidation on the color, aroma and taste of meat...
June 20, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29923265/characterization-of-the-lh-peak-after-short-and-long-fixed-time-artificial-insemination-protocols-in-sheep-raised-in-the-tropics
#3
Gabriela Azenha Milani Soriano, Felipe Rydygier de Ruediger, Marilice Zundt, Marco Aurélio da Cruz Nobre Gomes, Lilian Francisco Arantes de Souza, Ines Cristina Giometti, Guilherme de Paula Nogueira, Gustavo Ricci Zanelli, Fabiola Cristiane de Almeida Rego, Caliê Castilho
The aim of this study was to evaluate the peak in luteinizing hormone (LH) and the pregnancy rate of sheep (Texel × Santa Inês) in the tropics using short- (6 days) and long-term (12 days) progesterone protocols followed by artificial insemination (AI) both in and out of the breeding season. Experiment 1 was conducted within (IN) the breeding season (autumn, n = 36), and experiment 2 was conducted outside (OUT) of the breeding season (spring, n = 43). In each experiment, the sheep were divided into two groups (6 or 12 days) according to the duration of treatment with a single-use progesterone release vaginal device (CIDR® , Pfizer, São Paulo, SP, Brazil), and blood samples were collected from 10 animals per group every 4 hr to measure the LH and progesterone concentrations...
June 20, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29900636/paired-box-7-inhibits-differentiation-in-3t3-l1-preadipocytes
#4
Wakana Izumi, Yuko Takuma, Ryo Ebihara, Wataru Mizunoya, Ryuichi Tatsumi, Mako Nakamura
Myogenesis is precisely proceeded by myogenic regulatory factors. Myogenic stem cells are activated, proliferated and fused into a multinuclear myofiber. Pax7, paired box 7, one of the earliest markers during myogenesis. It has been reported that Pax7 regulates the muscle marker genes, Myf5 and MyoD toward differentiation. The possible roles of Pax7 in myogenic cells have been well researched. However, it has not yet been clarified if Pax7 itself is able to induce myogenic fate in nonmyogenic lineage cells...
June 13, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29900635/relationships-between-ultimate-ph-and-antioxidant-enzyme-activities-and-gene-expression-in-pork-loins
#5
Jin Wang, Qi-Fan Zeng, Hui Wang, Wei Chen, Yong-Qing Zeng
Ultimate pH (pHu ) is a major determinant factor of meat quality. In this study, we investigated the effects of pHu on the muscle antioxidant capacity, and the relationship between pHu and muscle antioxidant capacity of pigs. A total of 137 pigs from three pig breeds with the same feeding condition were slaughtered and used to measure the pHu , superoxide dismutase (SOD), glutathione peroxidase (GSH-PX), total antioxidant capacity (T-AOC), and malondialdehyde (MDA) content, and gene expression of SOD1 and GPX4...
June 13, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29888546/effect-of-vitrification-procedures-on-the-subsequent-development-of-in-vitro-matured-swamp-buffalo-oocytes-following-in-vitro-fertilization
#6
Yuan Yuan Liang, Rangsun Parnpai
Nowadays, the efficiency of buffalo oocytes cryopreservation is still low. The purpose of this study was to evaluate effects of two combinations of cryoprotectant agents (CPAs) and two vitrification devices for vitrification of swamp buffalo oocytes on their survival after vitrification warming, and subsequent developmental ability after in vitro fertilization. In vitro matured (IVM) oocytes were vitrified by either Cryotop (CT) or solid surface vitrification (SSV) interacting with vitrification solution A (VA) or B (VB)...
June 10, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29877006/decline-of-maternal-antibodies-to-small-ruminant-lentivirus-in-goat-kids
#7
Michał Czopowicz, Olga Szaluś-Jordanow, Marcin Mickiewicz, Agata Moroz, Lucjan Witkowski, Iwona Markowska-Daniel, Daria Reczyńska, Emilia Bagnicka, Jarosław Kaba
We carried out this study to determine for how long small ruminant lentivirus (SRLV)-specific antibodies can be detected by three commercial ELISA kits in goat kids after suckling infected does in field conditions. Forty-one kids born to SRLV-seropositive asymptomatic does were blood sampled prior to colostrum consumption, and then weekly for 6 months in total. The sera were screened with three commercial ELISA kits: whole-virus ELISA (wELISA), recombinant transmembrane and capsid antigen ELISA (TM/CA-ELISA), and surface antigen ELISA (SU-ELISA)...
June 6, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29877003/effects-of-different-forage-combinations-in-total-mixed-rations-on-in-vitro-gas-production-kinetics-ruminal-and-milk-fatty-acid-profiles-of-lactating-cows
#8
Sarvvl Bai, Zhi-Jun Cao, Bin-Bin Cao, Hong-Jian Yang, Sheng-Li Li, Jian-Xin Liu
This study aimed to determine the effects of different forage combinations on in vitro gas production (GP) kinetics, ruminal and milk fatty acid profiles. Forty-five lactating cows were randomly arranged into three groups and fed three total mixed rations (TMRs) with different forage combinations: TMR1, 23% alfalfa hay, 7% Chinese wild ryegrass hay and 15% whole corn silage; TMR2, 30% corn stover plus 15% whole corn silage; TMR3, 30% rice straw plus 15% whole corn silage. In vitro dry matter disappearance ranked: TMR1 > TMR2 > TMR3, and highest cumulative GP and asymptotic GP occurred in TMR1 while no difference occurred between TMR2 and TMR3...
June 6, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29856093/initial-cooling-time-before-freezing-affects-post-thaw-quality-and-reproductive-performance-of-rabbit-semen
#9
Michele Di Iorio, Maria Antonietta Colonna, Marsia Miranda, Paola Principe, Michele Schiavitto, Silvia Cerolini, Angelo Manchisi, Nicolaia Iaffaldano
The aim of this study was to investigate the effect of initial cooling time at 5°C during semen cryopreservation on post-thaw quality and reproductive performance of rabbit semen. Pooled semen samples (n = 6) were divided into two subsamples and cooled at 5°C for 45 or 90 min. After cooling, the semen samples were diluted to a ratio of 1:1 (v:v) with a freezing extender composed of Tris-citrate-glucose (TCG) containing 16% of dimethylsulfoxide and 0.1 mol/L sucrose. The semen was subsequently loaded in 0...
June 1, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29851189/effects-of-tributyrin-supplementation-on-ruminal-microbial-protein-yield-fermentation-characteristics-and-nutrients-degradability-in-adult-small-tail-ewes
#10
Qing-Chang Ren, Jing-Jing Xuan, Li-Ke Wang, Qiu-Wen Zhan, Ding-Zhong Yin, Zhong-Ze Hu, Hong-Jian Yang, Wei Zhang, Lin-Shu Jiang
Two trials were conducted to assess the effects of tributyrin (TB) supplementation on ruminal microbial protein yield and fermentation characteristics in adult sheep. In an in vitro trial, substrate was made to offer TB at 0, 2, 4, 6, and 8 g/kg on a dry matter (DM) basis and incubated for 48 hr. In an in vivo trial, 45 adult ewes were randomly assigned by initial body weight (55 ± 5 kg) to five treatments of nine animals over an 18-day period. Total mixed ration was made to offer TB to ewes at 0, 2, 4, 6, and 8 g/kg on a DM basis...
May 30, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29845704/effects-of-inoculants-and-environmental-temperature-on-fermentation-quality-and-bacterial-diversity-of-alfalfa-silage
#11
Qing Zhang, Zhu Yu, Xianguo Wang, Jipeng Tian
To investigate the effects of inoculants and environmental temperature on fermentation quality and bacterial diversity of alfalfa silage, first-cut alfalfa was ensiled with or without two screened lactic acid bacteria (LAB) strains, Lactobacillus plantarum, LP, and Lactobacillus casei, LC. Each treatment was divided into three parts and stored at 20°C, 30°C, 40°C, respectively. After 60 days ensiling, fermentation characteristics were measured and bacterial diversity was investigated by 16S ribosomal RNA gene sequencing using Illumina MiSeq platform...
May 29, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29808628/effects-of-supplemental-%C3%AE-carotene-on-colostral-immunoglobulin-and-plasma-%C3%AE-carotene-and-immunoglobulin-in-japanese-black-cows
#12
Maho Ishida, Yoshitaka Nishijima, Shuntaro Ikeda, Kenichi Yoshitani, Atsutoshi Obata, Yuji Sugie, Yoshikazu Aoki, Taisuke Yamaji, Masahiko Fujita, Yoshinobu Nakatsuji, Shinichi Kume
Data from 26 Japanese Black cows were collected to clarify the effects of supplemental β-carotene on colostral immunoglobulin (Ig) and plasma β-carotene and Ig in the cows. Cows were assigned to control or β-carotene groups from 21 days before the expected calving date to 60 days after parturition. Supplemental β-carotene was provided at 500 mg/day in the β-carotene group. Supplemental β-carotene drastically increased plasma β-carotene concentrations in the cows from parturition to 60 days after parturition, and plasma β-carotene concentrations in the control and β-carotene groups at parturition were 202 and 452 μg/dl, respectively...
May 29, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29808540/skeletal-muscle-and-liver-gene-expression-profiles-in-finishing-steers-supplemented-with-amaize
#13
Ahmed A Elolimy, Sonia J Moisá, Kristen M Brennan, Allison C Smith, Daniel Graugnard, Daniel W Shike, Juan J Loor
Our main objective was to evaluate the effects of feeding α-amylase (Amaize, Alltech Inc., Nicholasville, KY, USA) for 140 days on skeletal muscle and liver gene transcription in beef steers. Steers fed Amaize had lower average daily gain (p = .03) and gain:feed ratio (p = .05). No differences (p > .10) in serum metabolites or carcass traits were detected between the two groups but Amaize steers tended (p < .15) to have increased 12th rib fat depth. Microarray analysis of skeletal muscle revealed 21 differentially expressed genes (DEG), where 14 were up-regulated and seven were down-regulated in Amaize-fed steers...
May 29, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29808526/evaluation-of-three-different-patterns-of-feed-intake-during-early-lactation-in-lactating-sows
#14
Xin Jian Lei, Sang In Lee, In Ho Kim
Forty-five multiparous sows (Landrace × Yorkshire; parity: 3.58 ± 1.30) were used to determine the effects of three patterns of feed intake during early lactation on the performance of lactating sows. Experimental treatments were as follows: IFI-1.4, the amount of feed increased by 1.4 kg per day for the first 5 days post-farrowing, followed by ad libitum feeding until weaning; IFI-1.0, the amount of feed increased by 1.0 kg per day for the first 7 days post-farrowing, followed by ad libitum feeding until weaning; IFI-0...
May 29, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29808522/chemical-composition-and-nutritive-values-of-cassava-pulp-for-cattle
#15
Ornvimol Keaokliang, Tomoyuki Kawashima, Wanna Angthong, Tomoyuki Suzuki, Ramphrai Narmseelee
We evaluated the chemical compositions of cassava pulp samples produced by four cassava starch factories at different locations in northeast Thailand and the metabolizable energy (ME) of the cassava pulp for cattle. There were significant differences in the P (0.03% ± 0.02%) and K (0.36% ± 0.2%) contents of the samples from different factories (p < .05). Moreover, we found interactions between factory and season in the neutral detergent fiber (36.02% ± 8.8%) and nonfibrous carbohydrate contents (59...
May 29, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29808521/quantitative-assessment-of-the-effects-of-outside-temperature-on-farrowing-rate-in-gilts-and-sows-by-using-a-multivariate-logistic-regression-model
#16
Yosuke Sasaki, Madoka Fujie, Shingo Nakatake, Tadahiro Kawabata
It is well known that pigs are sensitive to heat stress, but few studies have assessed the critical temperature that affects farrowing rate. Therefore, the objective of the present study was to assess the effects of outside temperature on farrowing rate by using a multivariate logistic regression model. Data were obtained from 25 commercial farms, including 26,128 service records for gilts and 120,655 service records for sows. Two variables, maximum temperature (MAX) and temperature humidity index (THI), were used as an indicator for climate conditions...
May 29, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29808519/optimization-of-the-in-vitro-fertilization-protocol-for-frozen-epididymal-sperm-with-low-fertilization-ability-in-ban-a-native-vietnamese-pigs
#17
Nguyen Viet Linh, Tamas Somfai, Thi Hiep Nguyen, Nguyen Thi Nhung, Nguyen Thi Hong, Nguyen Tien Dat, Nguyen Hoang Thinh, Nguyen Khanh Van, Dong Van Quyen, Hoang Ha Chu, Nguyen Thanh Son, Kazuhiro Kikuchi
The aim of the present study was to improve the penetration during in vitro fertilization (IVF) of a frozen lot of epididymal sperm with a notoriously low fertilization ability of a Ban boar which is a native Vietnamese breed by optimizing different parameters of the IVF system. In Experiment 1, we determined that Pig-fertilization medium was superior medium to Tyrode's albumin lactate pyruvate-polyvinyl alcohol medium for IVF and defined the optimum the sperm concentration (1 × 106  sperm/ml). In Experiment 2, we clarified that partial removal of cumulus cells from cumulus-oocyte complexes by hyaluronidase treatment before IVF enhances sperm penetration, whereas complete cumulus removal reduces penetration...
May 29, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29808618/short-term-ingestion-of-deoxynivalenol-in-naturally-contaminated-feed-alters-piglet-performance-and-gut-hormone-secretion
#18
Ruonan Li, Yansen Li, Yongteng Su, Dan Shen, Pengyuan Dai, Chunmei Li
The mycotoxin deoxynivalenol (DON) generally exists in cereals and affects human and animal health. The aim of this study is to analyze the impacts of DON in naturally contaminated feed on piglet growth performance and intestinal hormone secretion in the short term. We randomly divided 5-week-old piglets into four groups: Control, DON 1,000, DON 2,000 and DON 3,000 groups. Piglets received a feed naturally contaminated with DON (approximately 400, 1,000, 2,000 or 3,000 μg/kg) for 21 days. Body weight showed no significant difference following exposure to DON...
May 28, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29808587/efficiency-of-a-pedometer-device-for-detecting-estrus-in-standing-heat-and-silent-heat-in-japanese-black-cattle
#19
Takuo Hojo, Miki Sakatani, Naoki Takenouchi
The usefulness of a radiotelemetric pedometer for estrus detection in standing (ST) heat, or in silent heat without ST events, but in which ovulation is observed, in Japanese Black cattle was investigated. The duration of an increase in steps in ST heat was 11.8 ± 1.3 hr, and it was similar to that of ST events (duration: 10.1 ± 0.8 hr). Even in silent heat, the change pattern and the duration (11.6 ± 0.2 hr) of the period with an increase in steps during estrus were not different compared with ST heat...
May 28, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29806228/conception-rate-of-holstein-and-japanese-black-cattle-following-embryo-transfer-in-southwestern-japan
#20
Hisashi Nabenishi, Fumiaki Sugino, Rui Konaka, Atusi Yamazaki
This study aimed to quantify and compare conception rates to embryo transfer (ET) of Holstein and Japanese Black cattle in southwestern Japan. A 10-year retrospective epidemiological survey was conducted. The recipient numbers for Holstein and Japanese Black cattle was 621 and 527, respectively. Conception rates of Holstein and Japanese Black cattle during the study period were 45.4% and 42.3%, respectively. There was no significant difference between both breeds. However, a different trend of conception rate to ET in Holstein and Japanese Black cattle was observed...
May 27, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
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