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Journal of Animal Science and Technology

Sunday O Peters, Marcos De Donato, Tanveer Hussain, Hectorina Rodulfo, Masroor E Babar, Ikhide G Imumorin
Background: Necdin (NDN), a member of the melanoma antigen family showing imprinted pattern of expression, has been implicated as causing Prader-Willi symptoms, and known to participate in cellular growth, cellular migration and differentiation. The region where NDN is located has been associated to QTLs affecting reproduction and early growth in cattle, but location and functional analysis of the molecular mechanisms have not been established. Methods: Here we report the sequence variation of the entire coding sequence from 72 samples of cattle, yak, buffalo, goat and sheep, and discuss its variation in Bovidae...
2018: Journal of Animal Science and Technology
María Agustina Raschia, Juan Pablo Nani, Daniel Omar Maizon, María José Beribe, Ariel Fernando Amadio, Mario Andrés Poli
Background: Research on loci influencing milk production traits of dairy cattle is one of the main topics of investigation in livestock. Many genomic regions and polymorphisms associated with dairy production have been reported worldwide. In this context, the purpose of this study was to identify candidate loci associated with milk yield in Argentinean dairy cattle. A database of candidate genes and single nucleotide polymorphisms (SNPs) for milk production and composition was developed...
2018: Journal of Animal Science and Technology
Hwan Lim, Jun Sang Ahn, Min Ji Kim, Gi Hwal Son, Joong Kook Park, Jae Yoon Shim, Il Young Kim, Ji Hyung Kim, Sung Myoun Cho, Eung Gi Kwon, Jong Suh Shin, Byung Ki Park
Background: Recently, as production costs have been increasing owing to rising feed prices worldwide, shortening the age of slaughter has been recognized as a way to increase farm income. In Korea, the raising period for Hanwoo steers is over 31 months with the delay of weaning and castration stated as one of the reasons for the increase in the raising period. Thus far, studies on age of weaning and castration have been conducted individually, and there have been no studies on the combined effects of weaning and castration ages on the growth performance and carcass characteristics in Hanwoo steers...
2018: Journal of Animal Science and Technology
Hussein Awad Hussein, Cagri Binici, Rudolf Staufenbiel
Background: Respiratory troubles have economic impacts in countries where livestock industry is an important segment of the agricultural sector, as well as these problems may cause significant economic losses for bovine producers. Various practical methods are used to assess diseases that affect the bovine respiratory system. Ultrasonography is a noninvasive tool that has been used frequently in diagnosis of various animal diseases. The present study was designed to establish whether thoracic ultrasonography is a diagnostic tool for detection of respiratory troubles in weaned buffalo and cattle calves, as well as to assess its prognostic value in comparison with clinical respiratory scores...
2018: Journal of Animal Science and Technology
Olatunji Abubakar Jimoh, Eyanlola Soladoye Ayedun, Waheed Abimbola Oyelade, Olugbenga David Oloruntola, Olajumoke Temidayo Daramola, Simeon Olugbemiga Ayodele, Idowu Samuel Omoniyi
Background: Preventing oxidative stress in heat stressed animals may be possible by increasing antioxidant defence via exogenous administration of antioxidant substrate and/or its precursors. The study aimed to investigate the effect of Soursop juice in mitigating oxidative stress induced by heat stress in rabbit. Methods: Sixty mixed breed rabbit bucks aged 12-18 months old with the average weight of 1826 ± 8.35 g/rabbit, randomly allotted to experimental treatments of four replicates each, in a completely randomized design during high-temperature humidity index in Ado Ekiti, Southwest Nigeria...
2018: Journal of Animal Science and Technology
Niloy Chandra Sarker, Faithe Keomanivong, Md Borhan, Shafiqur Rahman, Kendall Swanson
Background: Enteric methane (CH4 ) accounts for about 70% of total CH4 emissions from the ruminant animals. Researchers are exploring ways to mitigate enteric CH4 emissions from ruminants. Recently, nano zinc oxide (nZnO) has shown potential in reducing CH4 and hydrogen sulfide (H2 S) production from the liquid manure under anaerobic storage conditions. Four different levels of nZnO and two types of feed were mixed with rumen fluid to investigate the efficacy of nZnO in mitigating gaseous production...
2018: Journal of Animal Science and Technology
Ganesh N Aderao, A Sahoo, R S Bhatt, P K Kumawat, Lalit Soni
Background: This experiment aimed at assessing polyphenol-rich plant biomass to use in complete feed making for the feeding of ruminants. Methods: An in vitro ruminal evaluation of complete blocks (CFB) with ( Acacia nilotica , Ziziphus nummularia leaves) and without ( Vigna sinensis hay) polyphenol rich plant leaves was conducted by applying Menke's in vitro gas production (IVGP) technique. A total of six substrates, viz. three forages and three CFBs were subjected to in vitro ruminal fermentation in glass syringes to assess gas and methane production, substrate degradability, and rumen fermentation metabolites...
2018: Journal of Animal Science and Technology
Jasdeep Kaur Dhanoa, Ram Saran Sethi, Ramneek Verma, Jaspreet Singh Arora, Chandra Sekhar Mukhopadhyay
The central dogma of gene expression propounds that DNA is transcribed to mRNA and finally gets translated into protein. Only 2-3% of the genomic DNA is transcribed to protein-coding mRNA. Interestingly, only a further minuscule part of genomic DNA encodes for long non-coding RNAs (lncRNAs) which are characteristically more than 200 nucleotides long and can be transcribed from both protein-coding (e.g. H19 and TUG1 ) as well as non-coding DNA by RNA polymerase II. The lncRNAs do not have open reading frames (with some exceptions), 3`-untranslated regions (3'-UTRs) and necessarily these RNAs lack any translation-termination regions, however, these can be spliced, capped and polyadenylated as mRNA molecules...
2018: Journal of Animal Science and Technology
Olugbenga David Oloruntola, Johnson Oluwasola Agbede, Simeon Olugbenga Ayodele, Eyanlola Soladoye Ayedun, Olajumoke Temidayo Daramola, Deborah Adebukola Oloruntola
Background: Following the ban on the importation of import-dependent fed ingredients in most developing countries, the need to look inward for local content is now compelling. Thus, leaf meals that have phytogenic additive potentials are envisaged will be a viable feed ingredient in rabbit diets. Methods: The effect of dietary inclusion of gliricidia leaf meal (GLM) with or without multi-enzyme (E) supplementation in rabbits was investigated using ninety-six 35-day old rabbits of crossbreed (Newzealand and Chinchilla)...
2018: Journal of Animal Science and Technology
Takashi Hanagasaki, Naokazu Asato
[This corrects the article DOI: 10.1186/s40781-018-0176-6.].
2018: Journal of Animal Science and Technology
Takashi Hanagasaki, Naokazu Asato
Background: Aging trials are conducted to determine characteristics associated with dry- and wet-aging processes of beef from delivered cows grown in Okinawa, i.e., dams that have finished giving birth (Okinawan delivered cow beef). Changes in free amino acids, hardness, and other factors were analyzed in round of Okinawan delivered cow beef during dry- and wet-aging processes along with a comparison with characteristics of beef imported from Australia. Results: Functional amino acids did not increase during both dry- and wet-aging processes...
2018: Journal of Animal Science and Technology
Ochirbat Chinzorig, Inho Hwang
Background: Cooking temperature and consequently doneness of beef muscles are most important for the palatability and consumer acceptability. Current study assessed the response of mechanical texture of Hanwoo muscles as a function of cooking temperature at different ageing days. Six muscles ( Psoas major (PM), Longissimus thoracics (LT), Gluteus medius (GM), Semimembranosus (SM), Biceps femoris (BF) and Triceps brachii (TB)) were collected from each 10 Hanwoo steers. Warner-Bratzler WB-shear force (WBSF) and texture profile analysis (TPA) texture profiles were determined after 3 or 21 days of chiller, and randomly assigned to four groups; non-cooked, cooked at 55, 70 or 85 °C...
2018: Journal of Animal Science and Technology
Eun-Bee Lee, Jung-Won Kim, Jong-Pil Seo
Platelet rich plasma (PRP) is popularly used in the horse industry to enhance regeneration of tissue injury that has limitation of blood supply. This study aimed to compare the methods for platelet rich plasma preparation since they has not been established yet. Blood was collected from six horses and platelets were concentrated by three different methods (2-step centrifugation, separated centrifugation and separated centrifugation using histopaque). Concentrated blood was analyzed using Advia hematology systems...
2018: Journal of Animal Science and Technology
Takashi Hanagasaki, Naokazu Asato
Background: A mold strain thought to be suitable for dry-aging process was isolated. The information about the scientific aspects of molds related to dry-aging beef is scarce. We, therefore, conducted aging trials to determine the characteristics of the isolated mold strain associated with dry-aging process. Specifically, during the dry-aging of beef with the mold strain, the changes in the free amino acid content, hardness, productive loss, drip and cooking loss were analyzed. These characteristics were compared with those obtained while dry-aging in the absence of a mold...
2018: Journal of Animal Science and Technology
Shanti Choudhary, Wenli Li, Derek Bickhart, Ramneek Verma, R S Sethi, C S Mukhopadhyay, Ratan K Choudhary
Background: Xanthosine treatment has been previously reported to increase mammary stem cell population and milk production in cattle and goats. However, the underlying molecular mechanisms associated with the increase in stem cell population and milk production remain unclear. Methods: Primiparous Beetal goats were assigned to the study. Five days post-partum, one mammary gland of each goat was infused with xanthosine (TRT) twice daily (2×) for 3 days consecutively, and the other gland served as a control (CON)...
2018: Journal of Animal Science and Technology
Reza Talebi, Ahmad Ahmadi, Fazlollah Afraz
After pubertal, cohort of small antral follicles enters to gonadotrophin-sensitive development, called recruited follicles. This study was aimed to identify candidate genes in follicular cyclic recruitment via analysis of protein-protein interaction (PPI) network. Differentially expressed genes (DEGs) in ovine granulosa cells of small antral follicles between follicular and luteal phases were accumulated among gene/protein symbols of the Ensembl annotation. Following directed graphs, PTPN6 and FYN have the highest indegree and outdegree, respectively...
2018: Journal of Animal Science and Technology
Gye-Woong Kim, Hack-Youn Kim
[This corrects the article DOI: 10.1186/s40781-018-0163-y.].
2018: Journal of Animal Science and Technology
Maria Malidaki, Matthias Laska
Background: In their first days of life, dairy calves in artificial rearing systems often have difficulty using an artificial teat for feeding. Methods: We examined the age at which calves are able to stand up voluntarily and suckle as well as their suckling behavior when presented with a plain dry teat versus a dry teat modified with a presumably attractive odor or taste substance. Single-housed newborn dairy calves ( n  = 51) were presented for ten consecutive days with a two-minute two-choice test, in which suckling time was recorded for 1) a plain (control) teat versus a glucose-coated teat (taste test) and 2) a plain teat versus a teat with a "Freshly Cut Grass" odor (odor test)...
2018: Journal of Animal Science and Technology
Md Najmul Haque
Methane emission from the enteric fermentation of ruminant livestock is a main source of greenhouse gas (GHG) emission and a major concern for global warming. Methane emission is also associated with dietary energy lose; hence, reduce feed efficiency. Due to the negative environmental impacts, methane mitigation has come forward in last few decades. To date numerous efforts were made in order to reduce methane emission from ruminants. No table mitigation approaches are rumen manipulation, alteration of rumen fermentation, modification of rumen microbial biodiversity by different means and rarely by animal manipulations...
2018: Journal of Animal Science and Technology
Yanhong Liu, Jeehwan Choe, Sheena Kim, Byeonghyeon Kim, Joy M Campbell, Javier Polo, Joe D Crenshaw, James E Pettigrew, Minho Song
Background: Stress causes inflammation that impairs intestinal barrier function. Dietary spray-dried plasma (SDP) has recognized anti-inflammatory effects and improvement of gut barrier function. Therefore, the purpose of this study was to investigate the effects of dietary SDP on intestinal morphology of mated female mice under stress condition. Results: Villus height, width, and area of small intestines were low on gestation day (GD) 3 or 4 under stress conditions, and higher later (Time, P  < 0...
2018: Journal of Animal Science and Technology
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