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Asian-Australasian Journal of Animal Sciences

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https://www.readbyqxmd.com/read/30208699/carcass-characteristics-and-meat-quality-of-purebred-pakchong-5-and-crossbred-pigs-sired-by-pakchong-5-or-duroc-boar
#1
Rachakris Lertpatarakomol, Rutcharin Limsupavanich, Chanporn Chaosap, Kamon Chaweewan, Ronachai Sitthigripong
Objective: This study investigated carcass characteristics and meat quality of purebred Pakchong 5, crossbred pigs sired by Pakchong 5, and crossbred pigs sired by Duroc. Methods: Forty-eight pigs (average body weight, BW of 22.25 kg) were composed of three groups as purebred Pakchong 5 (PP), Large White x Landrace pigs sired by Pakchong 5 (LWLRP), and Large White x Landrace pigs sired by Duroc (LWLRD). Each group consisted of eight gilts and eight barrows. At 109-day-raising period, pigs were slaughtered and carcass characteristics were evaluated...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208698/comparative-study-of-thermal-gelation-properties-and-molecular-forces-of-actomyosin-extracted-from-normal-and-pale-soft-and-exudative-pse-like-chicken-breast-meat
#2
Ke Li, Jun-Ya Liu, Lei Fu, Ying-Ying Zhao, Yan-Hong Bai
Objective: The objectives of this study were to investigate the thermal gelation properties and molecular forces of actomyosin extracted from two classes of chicken breast meat qualities (normal and PSE-like) during heating process to further improve the understanding of the variations of functional properties between normal and PSE-like chicken breast meat. Methods: Actomyosin were extracted from normal and PSE-like chicken breast meat and the gel strength, water-holding capacity (WHC), protein loss, particle size and distribution, dynamic rheology and protein thermal stability were determined, then turbidity, active sulfhydryl group contents, hydrophobicity and molecular forces during thermal-induced gelling formation were comparatively studied...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208697/soybean-meal-substitution-by-dehulled-lupine-lupinus-angustifolius-with-enzymes-in-broiler-diets
#3
Fredy Mera-Zúñiga, Arturo Pro-Martínez, Juan Francisco Zamora-Natera, Eliseo Sosa-Montes, Juan de Dios Guerrero-Rodríguez, Sergio Iban Mendoza-Pedroza, Juan Manuel Cuca-García, Rosa María López-Romero, David Chan-Díaz, Carlos Miguel Becerril-Pérez, Artemio Jovanny Vargas-Galicia, Jaime Bautista-Ortega
Objective: Evaluate the effects of 1) dehulling of lupine seed on chemical composition and apparent metabolizable energy (AME) and 2) soybean meal substitution by dehulled lupine seed in broiler diets with enzymes on productive performance, size of digestive organs and welfare-related variables. Methods: Experiment 1. Chemical composition and AME were determined in whole and dehulled lupine seed. Experiment 2. Two hundred eighty-eight one-day-old male Ross 308 broilers were used...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208696/risk-factors-limiting-first-service-conception-rate-in-dairy-cows-and-their-economic-impact
#4
Kim Ill-Hwa, Jae Kwan Jeong
Objective: We determined the risk factors limiting first service conception (FSC) rate in dairy cows and their economic impact. Methods: Data were collected from 790 lactations regarding cow parity, peri- and postpartum disorders, body condition score (BCS), reproductive performance, and expenses associated with reproductive management (treatment, culling, and others). Initially, we identified the risk factors limiting FSC rate in dairy cows. Various biological and environmental factors, such as herd, cow parity, BCS at 1 month postpartum and first artificial insemination (AI), resumption of cyclicity within 1 month of calving, year, AI season, insemination at detected estrus or timed AI, peri- and postpartum disorders, and calving to first AI interval, were evaluated...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208695/changes-in-expression-of-the-autophagy-related-genes-map1lc3b-and-atg7-in-skeletal-muscle-of-fattening-japanese-black-cattle-a-pilot-study
#5
Tomonori Nakanishi, Tadaaki Tokunaga, Takafumi Ishida, Ikuo Kobayashi, Yuta Katahama, Azusa Yano, Laurie Erickson, Satoshi Kawahara
Objective: Autophagy is a bulk degradation system for intracellular proteins which contributes to skeletal muscle homeostasis, according to previous studies in humans and rodents. However, there is a lack of information on the physiological role of autophagy in the skeletal muscle of meat animals. This study was planned as a pilot study to investigate changes in expression of two major autophagy-related genes, microtubule-associated protein 1 light chain 3β (MAP1LC3B) and autophagy related 7 (ATG7) in fattening beef cattle, and to compare them with skeletal muscle growth...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208694/enteric-methane-emissions-energy-partitioning-and-energetic-efficiency-of-zebu-beef-cattle-fed-total-mixed-ration-silage
#6
Sayan Subepang, Tomoyuki Suzuki, Thamrongsak Phonbumrung, Kritapon Sommart
Objective: The main objective of this study was to evaluate the effect of different feeding levels of a total mixed ration silage-based diet on feed intake, total tract digestion, enteric methane emissions, and energy partitioning in two beef cattle genotypes. Methods: Six mature bulls (three Thai natives, and three Thai natives - Charolais crossbreeds) were assigned in a replicated 3 × 3 Latin square design, with cattle breed genotype in separate squares, three periods of 21 days, and three energy feeding above maintenance levels (1...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208693/effects-of-a-tunnel-ventilation-system-within-the-tie-stall-barn-environment-upon-the-productivity-of-dairy-cattle-during-the-winter-season
#7
Borjigin Sarentonglaga, Tatsuhiro Sugiyama, Rika Fukumori, Yoshikazu Nagao
Objective: The objective of this study was to examine the effect of using a tunnel ventilation system within the dairy barn environment upon the productivity of dairy cows during the winter season. Methods: The study was performed at the University Farm, Faculty of Agriculture, Utsunomiya University. Twenty-one Holstein dairy cows (5 heifers and 16 multiparous) were enclosed in a stall barn. Unventilated (UV) and tunnel-ventilated (TV) was operated by turns every one week, and a number of key parameters were measured in the barn, including tunnel ventilation output, temperature, relative humidity, gas concentrations (oxygen [O2], carbon dioxide [CO2] and ammonia [NH3])...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208692/hepatic-mirnaome-reveals-potential-mirna-mrna-pairs-associated-with-lipid-metabolism-in-pigs
#8
Jingge Liu, Caibo Ning, Bojiang Li, Rongyang Li, Wangjun Wu, Honglin Liu
Objective: As one of the most important metabolic organs, the liver plays vital roles in modulating the lipid metabolism. This study was to compare miRNA expression profiles of the Large White liver between two different developmental periods and to identify candidate miRNAs for lipid metabolism. Methods: Eight liver samples were collected from White Large of 70-day fetus (P70) and of 70-day piglets (D70) (with 4 biologocal repeats at each development period) to construct sRNA libraries...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208691/the-alternative-approach-of-low-temperature-long-time-cooking-on-bovine-semitendinosus-meat-quality
#9
Ishamri Ismail, Seon-Tea Joo, Allah Bakhsh, Joo Sung-Hyun, Hwang Young-Hwa
Objective: This study aimed to elucidate whether innovative sous vide treatment have a significant influence on the beef semitendinosus muscle as compared to common sous vide treatment and traditional cooking. Methods: The innovative sous vide treatments were cooked at 45 and 65 °C for 6 h (SV45-65), common sous vide treatment at 45 and 65 °C for 3 h (SV45 and SV65) and traditional cooking at 75 °C for 30 min (CON75). Water loss and cooking loss, as well as the physical properties (color and shear force) and chemical properties (protein and collagen solubility) of the treated meat, were investigated...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208690/potential-to-mitigate-ammonia-emission-from-slurry-by-increasing-dietary-fermentable-fiber-through-inclusion-of-tropical-byproducts-in-practical-diets-for-growing-pigs
#10
Quan Hai Nguyen, Phung Dinh Le, Channy Chim, Ngoan Duc Le, Veerle Fievez
Objective: Research was conducted to test the effect of including fiber-rich feedstuffs in practical pig diets on nutrient digestibility, nitrogen balance and ammonia emissions from slurry. Methods: Three Vietnamese fibre sources were screened, namely cassava leaf meal (CL), cassava root residue (CR) and tofu by-product (TF). Accordingly, a control diet (Con) with 10% of dietary non-starch polysaccharides (NSP) and three test diets including one of the three fiber-rich feedstuffs to reach 15% of NSP were formulated...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208689/method-development-to-reduce-the-fiber-content-of-wheat-bran-and-rice-bran-through-anaerobic-fermentation-with-rumen-liquor-for-use-in-poultry-feed
#11
Momota Rani Debi, Brigitta Wichert, Annette Liesegang
Objective: Wheat bran (WB) and rice bran (RB) are the agricultural by-products used as poultry feed in many developing countries. However, their use for poultry feed is limited due to high fiber and the presence of anti-nutritional substances (e.g. ß-glucans). The objective of this study was to develop a method to improve the quality of those brans by reducing the fiber content. Methods: A two-step fermentation method was developed where the second fermentation of first fermented dry bran was carried out...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208688/effects-of-short-term-fasting-on-in-vivo-rumen-microbiota-and-in-vitro-rumen-fermentation-characteristics
#12
Jong Nam Kim, Jaeyong Song, Eun Joong Kim, Jongsoo Chang, Chang-Hyun Kim, Moon Baek Chang, Gui-Seck Bae
Objective: Fasting may lead to changes in the microbiota and activity in the rumen. The objective of the present study was to evaluate the effects of fasting on rumen microbiota and the impact of fasting on in vitro rumen fermentation using molecular culture-independent methods. Methods: Three ruminally cannulated Holstein steers were fed rice straw and concentrates. The ruminal fluids were obtained from the same steers 2 h after the morning feeding (control) and 24 h after fasting (fasting)...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208687/hair-follicle-development-and-related-gene-and-protein-expression-of-skins-in-rex-rabbits-during-the-first-8-weeks-of-life
#13
Zhenyu Wu, Liangzhan Sun, Gongyan Liu, Hongli Liu, Hanzhong Liu, Zhiju Yu, Shuang Xu, Fuchang Li, Yinghe Qin
Objective: We aimed to observe hair follicle (HF) development in the dorsal skin and elucidate the expression patterns of genes and proteins related to skin and HF development in Rex rabbits from birth to 8 weeks of age. Methods: Whole-skin samples were obtained from the backs of Rex rabbits at 0, 2, 4, 6 and 8 weeks of age, the morphological development of primary and secondary HFs was observed, and the gene transcript levels of insulin-like growth factor-I (IGF-I), epidermal growth factor (EGF), bone morphogenetic protein 2 (BMP2), transforming growth factor ß-1, 2 and 3 (TGFß-1, TGFß-2 and TGFß-3) were examined using quantitative real-time PCR...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208686/effects-of-exercise-on-myokine-gene-expression-in-horse-skeletal-muscles
#14
Hyo Gun Lee, Jae-Young Choi, Jung-Woong Park, Tae Sub Park, Ki-Duk Song, Donghyun Shin, Byung-Wook Cho
Objective: To examine the regulatory effects of exercise on myokine expression in horse skeletal muscle cells, we compared the expression of several myokine genes (interleukin 6 (IL-6), interleukin 8 (IL-8), chemokine (C-X-C motif) ligand 2 (CXCL2), and chemokine (C-C motif) ligand 4 (CCL4)) after a single bout of exercise in horses. Furthermore, to establish in vitro systems for the validation of exercise effects, we cultured horse skeletal muscle cells and confirmed the expression of these genes after treatment with hydrogen peroxide...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30208685/effects-of-dietary-humic-acid-and-enzymes-on-meat-quality-and-fatty-acid-profiles-of-broiler-chickens-fed-canola-based-diets
#15
Amogelang R P Disetlhe, Upenyu Marume, Victor Malambo, Arno Hugo
Objective: This study was conducted to assess the effect of potassium humate and enzymes (Xylanase + Amylase + Protease) inclusions in diets on carcass characteristics, meat quality and fatty acid profiles of broilers fed canola-based diets. Methods: Two hundred and twenty broilers randomly allotted to 5 dietary treatments: the control (commercial broiler diet); CM (17.5 % canola meal inclusion); CMEnz (17.5% CM inclusion + 0.3 g/kg Axtra XAP); CMPh (17.5% CM inclusion + 1...
September 13, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30145877/effects-of-adaptation-time-and-inclusion-level-of-sugar-beet-pulp-on-nutrient-digestibility-and-evaluation-of-ileal-amino-acid-digestibility-of-sugar-beet-pulp-fed-to-growing-pigs
#16
Ze Yu Zhang, Shuai Zhang, Chang Hua Lai, Jin Biao Zhao, Jian Jun Zang, Cheng Fei Huang
Objective: Two experiments were conducted to determine the effects of adaptation time and inclusion level of sugar beet pulp (SBP) on nutrient digestibility and to evaluate the ileal AA digestibility of SBP fed to pigs. Methods: In Exp. 1, thirty-six crossbred barrows (85.0 ± 2.1 kg) were allotted to 6 diets in a completely randomized design with six replicates per diet. Diets included a corn-soybean meal diet and 5 test diets containing 14.6, 24.4, 34.2, 43.9, or 53...
August 27, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30145876/genetic-diversity-of-indonesian-cattle-breeds-based-on-microsatellite-markers
#17
Paskah Partogi Agung, Ferdy Saputra, Moch Syamsul Arifin Zein, Ari Sulistyo Wulandari, Widya Pintaka Bayu Putra, Syahruddin Said, Jakaria Jakaria
Objective: This research was conducted to study the genetic diversity in the several Indonesian cattle breeds using microsatellite markers as scientific evidence to classify the Indonesian cattle breeds. Methods: A total of 229 DNA samples consists of 10 cattle breeds were used in this study. The PCR process was conducted using 12 labeled primers. The size of allele was generated using the multiplex DNA fragment analysis. The POPGEN and CERVUS programs were used to obtain nA, ne, Ho, He, allele frequency, FIS, FIT, FST, Nm, HW, and PIC values...
August 27, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30145875/monitoring-of-white-striping-and-wooden-breast-cases-and-impacts-on-quality-of-breast-meat-collected-from-commercial-broilers-gallus-gallus
#18
Yuwares Malila, Juthawut U-Chupaj, Yanee Srimarut, Premsak Chaiwiwattrakul, Tanaporn Uengwetwanit, Sopacha Arayamethakorn, Veerasak Punyapornwithaya, Chalutwan Sansamur, Massimiliano Petracci, Wanilada Rungrassamee, Wonnop Visessanguan
Objective: This study aimed at investigating white striping (WS) and wooden breast (WB) cases in breast meat collected from commercial broilers. Methods: A total of 183 breast samples were collected from male Ross 308 broilers slaughtered at the age of 6 weeks (n = 100) and 7 weeks (n = 83). The breasts were subjected for meat defect inspection, meat quality determination and histology evaluation. Results: Of 183, 4 breasts from 6-week-old broilers were classified as non-defective while the others exhibited the WS lesion...
August 27, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30145874/indoor-distribution-characteristics-of-airborne-bacteria-in-pig-buildings-of-south-korea-according-to-seasonal-aspect-and-pig-housing-type
#19
Ki Youn Kim, Han Jong Ko
Objective: A concentration of airborne bacteria generated from swine houses is recognized to be relatively higher than other work places and it is essential to optimally manage it to prevent farmers' respiratory diseases. This study was conducted to assess the distribution characteristics of airborne bacteria in swine houses located at South Korea. Methods: A total 27 pig buildings of the enclosed type operated with mechanical ventilation system by a side wall fan and deep-pit manure system with slats were surveyed...
August 27, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/30145873/gender-dependent-difference-in-serum-paraoxonase-1-levels-of-hanwoo-korean-native-cattle-and-a-positive-association-with-meat-quality
#20
Jihyun Park, Jiwoo Kim, Sungwon Hwang, Ki Yong Chung, Inho Choi, Chang Bon Choi, Jihoe Kim
Objectives: Paraoxonase 1 (PON1), a calcium-dependent serum enzyme, has been shown to be involved in lipid metabolism. In this study, we examined the putative correlation of the serum PON1 level of Hanwoo, Korean native cattle, with gender and meat quality grade. Methods: PON1 levels were estimated by determining the arylesterase and paraoxonase activities (AE and PO, respectively) in serum samples from Hanwoo individuals (n = 56). Serum PON1 levels were analyzed in different gender groups (female (n = 21), castrated male (n = 17) and male (n = 18)), and meat quality grades (≥1 (n = 23), 2 (n = 21) and 3 (n = 12))...
August 27, 2018: Asian-Australasian Journal of Animal Sciences
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