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Asian-Australasian Journal of Animal Sciences

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https://www.readbyqxmd.com/read/27857030/seasonal-variation-in-growth-of-berkshire-pigs-in-alternative-production-systems
#1
Hannah Park, Sang-Hyon Oh
Objective: The objective of the present study was to investigate the effects of farrowing month (FM), parity and sex on the growth performance of Berkshire swine raised in alternative production systems. Methods: A total of 40 farrowing records from 27 sows and 1258 BW records from 274 piglets collected over a two-year period were used for the analysis. Body weights were recorded at birth, weaning (28 d), 56, 84, 112 and 140 days. Any BW not recorded on schedule was recalculated to conform the days of age among corresponding BW records, using growth curves drawn with polynomial functions whose power was determined by the number of existing observations for each individual...
November 17, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27857029/carcass-characteristics-and-meat-quality-of-lambs-that-are-fed-diets-with-palm-kernel-cake
#2
Rozilda da Conceição Dos Santos, Daiany Iris Gomes, Kaliandra Souza Alves, Rafael Mezzomo, Luis Rennan Sampaio Oliveira, Darley Oliveira Cutrim, Samara Bianca Moraes Sacramento, Elizanne de Moura Lima, Francisco Fernando Ramos de Carvalho
The aim was to evaluate carcass characteristics, cut yield, and meat quality in lambs that were fed different inclusion levels of palm kernel cake. Forty-five woolless castrated male Santa Inês crossbred sheep with an initial average body weight of 23.16 ± 0.35 kg were used. The experimental design was a completely randomized design with five treatments, with palm kernel cake in the proportions of 0.0, 7.5, 15.0, 22.5, and 30.0% with nine replications per treatment. The empty body weight, carcass weight and yield, and fat thickness decreased linearly (P<0...
November 17, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27857028/comparative-study-on-production-reproduction-and-functional-traits-between-fleckvieh-and-braunvieh-cattle
#3
Ludovic Toma Cziszter, Daniela Elena Ilie, Radu Ionel Neamt, Florin Cristian Neciu, Silviu Ilie Saplacan, Dinu Gavojdian
Objective: Aim of the current comparative study was to evaluate production outputs, reproduction efficiency and functional traits in dual-purpose Fleckvieh and Braunvieh cows, reared under temperate European conditions. Methods: A data-set from 414 Fleckvieh and 42 Braunvieh cows and 799 lactations was analysed. ID tag number, milk yield per milking session, number of steps/interval and milk conductivity were recorded and collected daily using AfiMilk 3.076 A-DU® software...
November 17, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27857027/determination-and-prediction-of-digestible-and-metabolizable-energy-concentrations-in-byproduct-feed-ingredients-fed-to-growing-pigs
#4
Ah Reum Son, Chan Sol Park, Beob Gyun Kim
Objective: An experiment was conducted to determine digestible energy (DE) and metabolizable energy (ME) of different byproduct feed ingredients fed to growing pigs, and to generate prediction equations for the DE and ME in feed ingredients. Methods: Twelve barrows with an initial mean body weight of 31.8 kg were individually housed in metabolism crates that were equipped with a feeder and a nipple drinker. A 12 × 10 incomplete Latin square design was employed with 12 dietary treatments, 10 periods, and 12 animals...
November 17, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27809461/differentially-expressed-serum-proteins-associated-with-calcium-regulation-and-hypocalcemia-in-dairy-cows
#5
Shi Shu, Yunlong Bai, Gang Wang, Xinhuan Xiao, Ziling Fan, Jiang Zhang, Chang Zhao, Yang Zhao, Cheng Xia, Hongyou Zhang
Hypocalcemia is an important metabolic disease of dairy cows during the transition period, although the effect of hypocalcemia on biological function in dairy cows remains unknown. In this study, proteomic, mass spectrum, bioinformatics and western blotting were employed to identify differentially expressed proteins related to serum Ca concentration. Serum samples from dairy cows were collected at three time points: 3rd days before calving (day -3), the day of calving (day 0), and 3rd days after calving (day +3)...
November 3, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27809460/effects-of-dietary-onion-allium-cepa-extract-supplementation-on-performance-apparent-total-tract-retention-of-nutrients-blood-profile-and-meat-quality-of-broiler-chicks
#6
S Aditya, M Ahammed, S H Jang, Sang Jip Ohh
This study was conducted to investigate the effect of dietary onion (Allium cepa) extract (OE) supplementation on growth performance, apparent total tract retention (ATTR), blood profile, carcass characteristics and meat quality in broilers. Four hundred male broiler chicks (Ross 308,3-d old) were randomly allocated to four dietary treatments for 28 d feeding trial. Each treatment has five replications with 20 birds each. Four dietary treatments were designated according to the OE supplementation levels (0 as control, 5, 7...
November 3, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27809466/transcriptome-analysis-of-the-livers-of-ducklings-that-were-normally-hatched-and-assisted-hatch
#7
Yali Liu, Shishan He, Tao Zeng, Xue Du, Junda Shen, Ayong Zhao, Lizhi Lu
"Hatchability" is an important economic trait in domestic poultry. Studies on poultry hatchability focus mainly on the genetic background, egg quality, and incubation conditions, whereas the molecular mechanisms behind the phenomenon that some ducklings failed to break their eggshells are poorly understood. In this study, the transcriptional differences between the livers of normally hatched and assisted ducklings were systematically analyzed. The results showed that the clean reads were de novo assembled into 161,804 and 159,083 unigenes (≥200-bp long) by using Trinity, with an average length of 1206 bp and 882 bp, respectively...
October 28, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27809465/identification-of-growth-trait-related-genes-in-large-white-purebred-pig-population-by-gwas
#8
Qingli Meng, Kejun Wang, Xiaolei Liu, Haishen Zhou, Li Xu, Zhaojun Wang, Meiying Fang
In this study, 562 pure Large white pigs were used to identify genomic regions controlling growth traits. Four growth traits were studied: average daily gain from 30 KG to 100 KG or 115 KG and days to 100 KG or 115 KG, using a panel of 54,148 SNPs. We detected 6 significant and 12 suggestive SNPs and further identified 9 candidate gens closed to significant or suggestive SNPs, which including SOGA1, RSPO2, MAP2K6, PLCB1, ARHGAP24, CPEB4, GLI2, NYAP2, and ZFPM2. Gene ontology analysis and literature mining indicated that these candidate genes are involved in bone, muscle, fat, and lung development, which is either directly or indirectly related to growth traits...
October 28, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27809464/hat-inhibitors-antagonize-ampk-in-postmortem-glycolysis
#9
Qiong Li, Zhongwen Li, Aihua Lou, Zhenyu Wang, Dequan Zhang, Qingwu Shen
Objective: The purpose of this study was to investigate the influence of AMP-activated protein kinase (AMPK) activation on protein acetylation and glycolysis in postmortem muscle to better understand the mechanism by which AMPK regulates postmortem glycolysis and meat quality. Methods: A total of 32 mice were randomly assigned to four groups and intraperitoneally injected with 5-Aminoimidazole-4-carboxamide1-β-D-ribofuranoside (AICAR, a specific activator of AMPK), AICAR and histone acetyltransferase inhibitor II, or AICAR, Trichostatin A (TSA, an inhibitor of histone deacetylase I and II) and Nicotinamide (NAM, an inhibitor of the Sirt family deacetylases)...
October 28, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27809463/intake-digestibility-and-rumen-and-metabolic-characteristics-of-cattle-fed-low-quality-tropical-forage-and-supplemented-with-nitrogen-and-different-levels-of-starch
#10
Marcia de Oliveira Franco, Edenio Detmann, Sebastião de Campos Valadares, Erick Darlisson Batista, Luana Marta de Almeida Rufino, Marcília Medrado Barbosa, Alexandre Ribeiro Lopes
Effects of nitrogen supplementation associated with different levels of starch on voluntary intake, digestibility, and rumen and metabolic characteristics of cattle fed low-quality tropical forage (Brachiaria decumbens hay, 7.4% crude protein, CP) were evaluated using ruminal and abomasal cannulated steers. Five European × Zebu young bulls (186 kg body weight, BW) were distributed according to a 5 × 5 Latin square. The following treatments were evaluated: control, supplementation with 300 g CP/d (0:1), supplementation with 300 g starch/d and 300 g CP/d (1:1), supplementation with 600 g starch/d and 300 g CP/d (2:1), and supplementation with 900 g starch/d and 300 g CP/d (3:1)...
October 28, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27809462/myotube-differentiation-in-crispr-cas9-mediated-myod-knockout-quail-myoblast-cells
#11
Si Won Kim, Jeong Hyo Lee, Byung-Chul Park, Tae Sub Park
Objective: In the livestock industry, the regulatory mechanisms of muscle proliferation and differentiation can be applied to improve traits such as growth and meat production. We investigated the regulatory pathway of MyoD and its role in muscle differentiation in quail myoblast cells. Methods: The MyoD gene was mutated by the clustered regularly interspaced short palindromic repeat (CRISPR)/Cas9 technology and single cell-derived MyoD mutant sublines were identified to investigate the global regulatory mechanism responsible for muscle differentiation...
October 28, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27764914/the-effects-of-high-fat-diets-composed-of-different-animal-and-vegetable-fat-sources-on-the-health-status-and-tissue-lipid-profiles-of-male-japanese-quail-coturnix-coturnix-japonica
#12
Janine Donaldson, Michael Taurai Madziva, Kennedy Honey Erlwanger
Objective: The current study aimed to investigate the impact of high-fat diets composed of different animal and vegetable fat sources on serum metabolic health markers in Japanese quail, as well as the overall lipid content and fatty acid profiles of the edible bird tissues following significantly increased dietary lipid supplementation. Methods: Fifty seven male quail were divided into six groups and fed either a standard diet or a diet enriched with one of five different fats (22 % coconut oil, lard, palm oil, soybean oil or sunflower oil) for 12 weeks...
October 20, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27764913/influences-of-somatic-donor-cell-sex-on-in-vitro-and-in-vivo-embryo-development-following-somatic-cell-nuclear-transfer-in-pigs
#13
Jae Gyu Yoo, Byeong-Woo Kim, Mi-Rung Park, Deug-Nam Kwon, Yun-Jung Choi, Teak-Soon Shin, Byung-Wook Cho, Jakyeom Seo, Jin-Hoi Kim, Seong-Keun Cho
Objective: The present study investigates pre- and post-implantation developmental competence of nuclear-transferred porcine embryos derived from male and female fetal fibroblasts. Methods: Male and female fetal fibroblasts were transferred to in vitro-matured enucleated oocytes and in vitro and in vivo developmental competence of reconstructed embryos was investigated. And, a total of 6,789 female fibroblast nuclear-transferred embryos were surgically transferred into 41 surrogate gilts and 4,746 male fibroblast nuclear-transferred embryos were surgically transferred into 25 surrogate gilts...
October 20, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27764912/efficient-transgene-expression-system-using-a-cumate-inducible-promoter-and-cre-loxp-recombination-in-avian-cells
#14
Tae Sub Park, Si Won Kim, Jeong Hyo Lee
Objective: Transgenic technology is widely used for industrial applications and basic research. Systems that allow for genetic modification play a crucial role in biotechnology for a number of purposes, including the functional analysis of specific genes and the production of exogenous proteins. In this study, we examined and verified the cumate-inducible transgene expression system in chicken DF1 and quail QM7 cells, as well as loxP element-mediated transgene recombination using Cre recombinase in DF1 cells...
October 20, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27764918/estimation-of-the-net-energy-requirement-for-maintenance-in-broilers
#15
Wei Liu, Chang Hua Lin, Zheng Ke Wu, Guo Hua Liu, Hai Jie Yan, Hua Ming Yang, Hui Yi Cai
Objective: The net energy requirement for the maintenance (NEm) of broilers was determined using regression models by the indirect calorimetry method (ICM) or the comparative slaughter method (CSM). Methods: A 2×4 factorial arrangement of treatments including the evaluation method (ICM or CSM) and feed intake (25, 50, 75, or 100% of ad libitum recommended) was employed in this experiment. In the ICM, 96 male Arbor Acres (AA) birds aged d 15 were used with 4 birds per replicate and 6 replicates in each treatment...
October 19, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27764917/expression-and-regulation-of-prostaglandin-transporters-abcc1-abcc9-slco4c1-and-slco5a1-in-the-uterine-endometrium-during-the-estrous-cycle-and-pregnancy-in-pigs
#16
Hwanhee Jang, Yohan Choi, Inkyu Yoo, Jisoo Han, Minjeong Kim, Hakhyun Ka
Objective: Prostaglandins (PGs) function in various reproductive processes, including luteolysis, maternal pregnancy recognition, conceptus development, and parturition. Our earlier study has shown that PG transporters ABCC4 and SLCO2A1 are expressed in the uterine endometrium in pigs. Since several other PG transporters such as ABCC1, ABCC9, SLCO4C1, and SLCO5A1 are known to be present in the uterine endometrium, this study investigated the expression of these PG transporters in the porcine uterine endometrium and placenta...
October 19, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27764916/myostatin-gene-knockout-mediated-by-cas9-d10a-nickase-in-chicken-df1-cells-without-off-target-effect
#17
Jeong Hyo Lee, Si Won Kim, Tae Sub Park
Objective: Based on rapid advancement of genetic modification techniques, genomic editing is expected to become the most efficient tool for improvement of economic traits in livestock as well as poultry. In this study, we examined and verified the nickase of mutated CRISPR-associated protein 9 (Cas9) to modulate the specific target gene in chicken DF1 cells. Methods: Chicken myostatin which inhibits muscle cell growth and differentiation during myogenesis was targeted to be deleted and mutated by the Cas9-D10A nickase...
October 19, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27764915/characteristics-of-isolated-lactic-acid-bacteria-and-their-effects-on-the-silage-quality
#18
Siran Wang, Xianjun Yuan, Zhihao Dong, Junfeng Li, Gang Guo, Yunfeng Bai, Junyu Zhang, Tao Shao
Objective: Four lactic acid bacteria (LAB) strains isolated from common vetch, tall fescue and perennial ryegrass on the Tibetan Plateau were characterized, and their effects on the fermentation quality of Italian ryegrass (Lolium multiflorum Lam.) silage were studied. Methods: The four isolated strains and one commercial inoculant (G, Lactobacillus plantarum MTD-1) were evaluated using the acid production ability test, morphological observation, Gram staining, physiological, biochemical and acid tolerance tests...
October 19, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27739293/dietary-fat-preference-and-effects-on-performance-of-piglets-at-weaning
#19
Ruey-Chee Weng
The objective of this experiment was to evaluate the interplay of dietary lipid sources and feeding regime in the transition from sow milk to solid food of abruptly weaned piglets. 144 weaned piglets were trained over a 15 day period to experience gradually reducing dietary fat content from 12% to 6% for lard (L), soybean oil (S) and coconut oil (C) and their feeding behavior and diet preference then tested in a behavior observation experiment. Another 324 weaned piglets were used in three consecutive feeding experiments to measure the effect of different dietary fats on performance and feed choice in the four weeks after abrupt weaning...
October 5, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27739292/influence-of-rendering-methods-on-yield-and-quality-of-chicken-fat-recovered-from-broiler-skin
#20
Liang-Kun Lin, Fa-Jui Tan
The yield and quality of the broiler skin fat rendered through high and lower energy microwave rendering (3.6 W/g for 10 min and 2.4 W/g for 10 min for HEMR and LEMR, respectively), oven baking (OB, at 180 °C for 40 min), and water cooking (WC, boiling for 40 min) were compared. Microwave-rendered skin exhibited the highest yields and fat recovery rates, followed by OB, and WC fats (p<0.05). HEMR fat had the highest L*, a*, and b* values, whereas WC fat had the highest moisture content, acid values, and thiobarbituric acid (TBA) values (p<0...
October 5, 2016: Asian-Australasian Journal of Animal Sciences
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