JAST (Journal of Animal Science and Technology)

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2021 Impact Factor: 1.801

About Journal of Animal Science and Technology

Journal of Animal Science and Technology (JAST) is a peer-reviewed, open access journal publishing original research, review articles and notes in all fields of animal science. Topics covered by the journal include: genetics and breeding, physiology, nutrition of monogastric animals, nutrition of ruminants, animal products (milk, meat, eggs and their by-products) and their processing, grasslands and roughages, livestock environment, animal biotechnology, animal behavior and welfare. The journal is indexed in SCOPUS, PubMed Central, DOAJ, Google Scholar, Crossref and Korea Citation Index.
REVIEW

Jul 31, 2022

Potential application of urease and nitrification inhibitors to mitigate emissions from the livestock sector: a review

Eska Nugrahaeningtyas, Dong-Jun Lee, Jun-Ik Song, Jung-Kon Kim, Kyu-Hyun Park

J Anim Sci Technol 2022;64(4):603-620.
https://doi.org/10.5187/jast.2022.e5

Human activities have caused an increase in greenhouse gas emissions, resulting in climate change that affects many factors of human life including its effect on water and food quality in certain areas with implications for human health. CH4 and N2O are known as potent non-CO2 GHGs. The livestock industry contributes to direct emissions of CH4 (38.24%) and N2O (6.70%) through enteric fermentation and manure treatment, as well as indirect N2O emissions via NH3 volatilization. NH3 is also a secondary precursor of particulate matter. Several appro...
REVIEW

Jul 31, 2022

Selection of appropriate biomatrices for studies of chronic stress in animals: a review

Mohammad Ataallahi, Jalil Ghassemi Nejad, Kyu-Hyun Park

J Anim Sci Technol 2022;64(4):621-639.
https://doi.org/10.5187/jast.2022.e38

Cortisol and corticosterone, hormones traditionally considered biomarkers of stress, can be measured in fluid biomatrices (e.g., blood, saliva) from live animals to evaluate conditions at sampling time, or in solid biomatrices (e.g., hair, feather) from live or dead animals to obtain information regarding long-term changes. Using these biomarkers to evaluate physiological stress responses in domestic animals may be challenging due to the diverse characteristics of biomatrices for potential measurement. Ideally, a single measurement from the bio...
REVIEW

Jul 31, 2022

Protective effects of biological feed additives on gut microbiota and the health of pigs exposed to deoxynivalenol: a review

Neeraja Recharla, Sungkwon Park, Minji Kim, Byeonghyeon Kim, Jin Young Jeong

J Anim Sci Technol 2022;64(4):640-653.
https://doi.org/10.5187/jast.2022.e40

Deoxynivalenol (DON) is the most common mycotoxin contaminant of cereal-based food and animal feed. The toxicity of DON is very low compared to that of other toxins; however, the most prominent signs of DON exposure include inappetence and body weight loss, which causes considerable economic losses in the livestock industry. This review summarizes critical studies on biological DON mycotoxin mitigation strategies and the respective in vitro and in vivo intestinal effects. Focus areas include growth performance, gut health in terms of intestinal...
REVIEW

Jul 31, 2022

Functions of somatic cells for spermatogenesis in stallions

Muhammad Shakeel, Minjung Yoon

J Anim Sci Technol 2022;64(4):654-670.
https://doi.org/10.5187/jast.2022.e57

Spermatogenesis and testis development are highly structured physiological processes responsible for post-pubertal fertility in stallions. Spermatogenesis comprises spermatocytogenesis, meiosis, and spermiogenesis. Although germ cell degeneration is a continuous process, its effects are more pronounced during spermatocytogenesis and meiosis. The productivity and efficiency of spermatogenesis are directly linked to pubertal development, degenerated germ cell populations, aging, nutrition, and season of the year in stallions. The multiplex interp...
REVIEW

Jul 31, 2022

Gut microbiome-produced metabolites in pigs: a review on their biological functions and the influence of probiotics

Robie Vasquez, Ju Kyoung Oh, Ji Hoon Song, Dae-Kyung Kang

J Anim Sci Technol 2022;64(4):671-695.
https://doi.org/10.5187/jast.2022.e58

The gastrointestinal tract is a complex ecosystem that contains a large number of microorganisms with different metabolic capacities. Modulation of the gut microbiome can improve the growth and promote health in pigs. Crosstalk between the host, diet, and the gut microbiome can influence the health of the host, potentially through the production of several metabolites with various functions. Short-chain and branched-chain fatty acids, secondary bile acids, polyamines, indoles, and phenolic compounds are metabolites produced by the gut microbiom...
RESEARCH ARTICLE

Jul 31, 2022

Silybum marianum seed extract supplementation positively affects the body weight of weaned piglets by improving voluntary feed intake

De Xin Dang, Sungbo Cho, In Ho Kim

J Anim Sci Technol 2022;64(4):696-706.
https://doi.org/10.5187/jast.2022.e39

This study was conducted to evaluate the effects of dietary supplementation of Silybum marianum seed (SMS) extract on the growth performance, nutrient digestibility, fecal noxious gas emission, and hematology parameters in weaned piglets. A total of 120, 21-day-old weaned piglets ([Yorkshire × Landrace] × Duroc) were randomly assigned to 3 groups based on the average initial body weight (6.46 ± 0.45 kg). There were 8 replicate pens per treatment and 5 pigs (mixed sex) per pen. The experimental period was 42 days. Dietary groups included a ba...
RESEARCH ARTICLE

Jul 31, 2022

Effect of dietary salicylic acid supplementation on performance and blood metabolites of sows and their litters

Serge Muhizi, Sungbo Cho, Thanapal Palanisamy, In Ho Kim

J Anim Sci Technol 2022;64(4):707-716.
https://doi.org/10.5187/jast.2022.e25

The core intention to undertake this experiment for a period of 21 days is to evaluate the effect of salicylic acid (SA) supplemented diet on the performance and blood metabolites of sows and their litters. Sows weighing 208.5 ± 18.34kg and their neonates were used. From day 114 of gestation to 21st day of lactation(weaning), ten multiparous sows (n = 5/treatment) (Landrace x Yorkshire) were assigned randomly into one of two treatments: CON (basal diet) and TRT (CON + 0.05% SA). There was no significant difference in the body weight, backfat...
RESEARCH ARTICLE

Jul 31, 2022

Evaluation of different non-fasting molting methods on laying performance and egg quality during molting and post molting periods

Gun Whi Ga, Soo Ki Kim, Yong Gi Kim, Jong Il Kim, Kyung Il Kim, Kwan Eung Kim, Yong Ran Kim, Eun Jip Kim, Byoung Ki An

J Anim Sci Technol 2022;64(4):717-726.
https://doi.org/10.5187/jast.2022.e41

The study evaluated different molt-inducing methods to achieve the main goal of molting in commercial layers during molting and post-molting periods. A total of 400 60-week-old Lohmann Brown layers were randomly divided into five groups (eight replicates of 10 birds for each group). Laying hens in the fasting control group received no diet from day 1 to day 10. The second group received a molt-inducing diet recommended by the breeding company. The third group received a wheat bran-based diet. The fourth group received a commercial layer diet wi...
RESEARCH ARTICLE

Jul 31, 2022

Effects of dietary arginine in ameliorating the deleterious effects induced by mycotoxins on growth, immune system, body organs in growing pigs

Joseph Moturi, SeYoung Yoon, Abdolreza Hosseindoust, SangHun Ha, Habeeb Tajudeen, JunYoung Mun, SooJin Sa, JinSoo Kim

J Anim Sci Technol 2022;64(4):727-739.
https://doi.org/10.5187/jast.2022.e54

Mycotoxin contamination in pig feeds has a negative impact on growth performance, the immune system, and major body organs. Arginine (Arg) plays an important role in animals’ body biochemistry and physiology. This study aimed to determine the effect of dietary Arg supplementation on mitigating the negative effects of mycotoxins in growing pigs. A total of 72 growing pigs (Landrace × Large white) with initial mean body weight (BW) = 55 ± 2.5 kg were allotted to four treatment groups with three replicates per group of six pigs per replicate ...
RESEARCH ARTICLE

Jul 31, 2022

Influence of age and type of feed ingredients on apparent and standardized ileal amino acid digestibility in broiler chickens

Su Hyun An, Changsu Kong

J Anim Sci Technol 2022;64(4):740-751.
https://doi.org/10.5187/jast.2022.e43

Two experiments were conducted to determine the effects of bird age on apparent ileal digestibility (AID) and standardized ileal digestibility (SID) of amino acids (AA) for 10-d-old Experiment (Exp. 1) and 22-d-old (Exp. 2) male broilers. This study investigated the effects of different broiler ages and feed ingredients on AID and SID of AA in corn and soybean meal (SBM). Four hundred and eighty (age = 7 d; initial body weight [BW] = 173.4 ± 12.65 g) and 192 (age = 18 d; initial BW = 772.2 ± 62.13 g) birds were allocated to three dietary tre...
RESEARCH ARTICLE

Jul 31, 2022

Transcriptome-wide analysis reveals gluten-induced suppression of small intestine development in young chickens

Darae Kang, Donghyun Shin, Hosung Choe, Doyon Hwang, Andrew Wange Bugenyi, Chong-Sam Na, Hak-Kyo Lee, Jaeyoung Heo, Kwanseob Shim

J Anim Sci Technol 2022;64(4):752-769.
https://doi.org/10.5187/jast.2022.e42

Wheat gluten is an increasingly common ingredient in poultry diets but its impact on the small intestine in chicken is not fully understood. This study aimed to identify effects of high-gluten diets on chicken small intestines and the variation of their associated transcriptional responses by age. A total of 120 broilers (Ross Strain) were used to perform two animal experiments consisting of two gluten inclusion levels (0% or 25%) by bird’s age (1 week or 4 weeks). Transcriptomics and histochemical techniques were employed to study the effect...
RESEARCH ARTICLE

Jul 31, 2022

Estimating milk production losses by heat stress and its impacts on greenhouse gas emissions in Korean dairy farms

Geun-woo Park, Mohammad Ataallahi, Seon Yong Ham, Se Jong Oh, Ki-Youn Kim, Kyu Hyun Park

J Anim Sci Technol 2022;64(4):770-781.
https://doi.org/10.5187/jast.2022.e134

Meteorological disasters caused by climate change like heat, cold waves, and unusually long rainy seasons affect the milk productivity of cows. Studies have been conducted on how milk productivity and milk compositions change due to heat stress (HS). However, the estimation of losses in milk production due to HS and hereby environmental impacts of greenhouse gas (GHG) emissions are yet to be evaluated in Korean dairy farms. Dairy milk production and milk compositions data from March to October 2018, provided by the Korea Dairy Committee (KDC), ...
RESEARCH ARTICLE

Jul 31, 2022

Effects of various cooling methods and drinking water temperatures on reproductive performance and behavior in heat stressed sows

Habeeb Tajudeen, Joseph Moturi, Abdolreza Hosseindoust, SangHun Ha, JunYoung Mun, YoHan Choi, SooJin Sa, JinSoo Kim

J Anim Sci Technol 2022;64(4):782-791.
https://doi.org/10.5187/jast.2022.e33

The purpose of this study is to evaluate the effects of multiple cooling systems and different drinking water temperatures (DWT) on the performance of sows and their hair cortisol levels during heat stress. In this study, the effect of four different cooling systems: air conditioner (AC), cooling pad (CP), snout cooling (SC), and mist spray (MS), and two DWT, namely low water temperature (LWT) and high water temperature (HWT) on 48 multiparous sows (Landrace × Yorkshire; 242.84 ± 2.89 kg) was tested. The experiment is based on the use of eig...
RESEARCH ARTICLE

Jul 31, 2022

Plasma concentration of dopamine varies depending on breed, sex, and the genotype of DRD4 in horses

Junyoung Kim, Heejun Jung, Jae-Young Choi, Jang-Won Lee, Minjung Yoon

J Anim Sci Technol 2022;64(4):792-799.
https://doi.org/10.5187/jast.2022.e44

Dopamine (DA) is known to be a key modulator of animal behaviors. Thus, the plasma concentration of DA might be used as a biomarker for the behavioral characteristics of horses. The behavioral characteristics of horses vary depending on the breed, age, and sex. Moreover, the DA receptor genotypes are also related to horse behaviors. Thus, the aim of this study was to investigate the DA concentration variations of horse plasma by breed, age, sex, or genotype of its receptor. The horses were divided by breed into Thoroughbred (n = 13), Pony (n = ...
RESEARCH ARTICLE

Jul 31, 2022

Comparative metabolomic analysis in horses and functional analysis of branched chain (alpha) keto acid dehydrogenase complex in equine myoblasts under exercise stress

Jeong-Woong Park, Kyoung Hwan Kim, Sujung Kim, Jae-rung So, Byung-Wook Cho, Ki-Duk Song

J Anim Sci Technol 2022;64(4):800-811.
https://doi.org/10.5187/jast.2022.e45

The integration of metabolomics and transcriptomics may elucidate the correlation between the genotypic and phenotypic patterns in organisms. In equine physiology, various metabolite levels vary during exercise, which may be correlated with a modified gene expression pattern of related genes. Integrated metabolomic and transcriptomic studies in horses have not been conducted to date. The objective of this study was to detect the effect of moderate exercise on the metabolomic and transcriptomic levels in horses. In this study, using nuclear magn...

CURRENT ISSUE: Jul 2022, Vol. 64 , No. 4

REVIEW Potential application of urease and nitrification inhibitors to mitigate emissions from the livestock sector: a review Eska Nugrahaeningtyas, Dong-Jun Lee, Jun-Ik Song, Jung-Kon Kim, Kyu-Hyun Park J Anim Sci Technol 2022;64(4):603-620. https://doi.org/10.5187/jast.2022.e5 HTML PDF PubReader	REVIEW Selection of appropriate biomatrices for studies of chronic stress in animals: a review Mohammad Ataallahi, Jalil Ghassemi Nejad, Kyu-Hyun Park J Anim Sci Technol 2022;64(4):621-639. https://doi.org/10.5187/jast.2022.e38 HTML PDF PubReader
REVIEW Protective effects of biological feed additives on gut microbiota and the health of pigs exposed to deoxynivalenol: a review Neeraja Recharla, Sungkwon Park, Minji Kim, Byeonghyeon Kim, Jin Young Jeong J Anim Sci Technol 2022;64(4):640-653. https://doi.org/10.5187/jast.2022.e40 HTML PDF PubReader	REVIEW Functions of somatic cells for spermatogenesis in stallions Muhammad Shakeel, Minjung Yoon J Anim Sci Technol 2022;64(4):654-670. https://doi.org/10.5187/jast.2022.e57 HTML PDF PubReader
REVIEW Gut microbiome-produced metabolites in pigs: a review on their biological functions and the influence of probiotics Robie Vasquez, Ju Kyoung Oh, Ji Hoon Song, Dae-Kyung Kang J Anim Sci Technol 2022;64(4):671-695. https://doi.org/10.5187/jast.2022.e58 HTML PDF PubReader	RESEARCH ARTICLE Silybum marianum seed extract supplementation positively affects the body weight of weaned piglets by improving voluntary feed intake De Xin Dang, Sungbo Cho, In Ho Kim J Anim Sci Technol 2022;64(4):696-706. https://doi.org/10.5187/jast.2022.e39 HTML PDF PubReader
RESEARCH ARTICLE Effect of dietary salicylic acid supplementation on performance and blood metabolites of sows and their litters Serge Muhizi, Sungbo Cho, Thanapal Palanisamy, In Ho Kim J Anim Sci Technol 2022;64(4):707-716. https://doi.org/10.5187/jast.2022.e25 HTML PDF PubReader	RESEARCH ARTICLE Evaluation of different non-fasting molting methods on laying performance and egg quality during molting and post molting periods Gun Whi Ga, Soo Ki Kim, Yong Gi Kim, Jong Il Kim, Kyung Il Kim, Kwan Eung Kim, Yong Ran Kim, Eun Jip Kim, Byoung Ki An J Anim Sci Technol 2022;64(4):717-726. https://doi.org/10.5187/jast.2022.e41 HTML PDF PubReader
RESEARCH ARTICLE Effects of dietary arginine in ameliorating the deleterious effects induced by mycotoxins on growth, immune system, body organs in growing pigs Joseph Moturi, SeYoung Yoon, Abdolreza Hosseindoust, SangHun Ha, Habeeb Tajudeen, JunYoung Mun, SooJin Sa, JinSoo Kim J Anim Sci Technol 2022;64(4):727-739. https://doi.org/10.5187/jast.2022.e54 HTML PDF PubReader	RESEARCH ARTICLE Influence of age and type of feed ingredients on apparent and standardized ileal amino acid digestibility in broiler chickens Su Hyun An, Changsu Kong J Anim Sci Technol 2022;64(4):740-751. https://doi.org/10.5187/jast.2022.e43 HTML PDF PubReader
RESEARCH ARTICLE Transcriptome-wide analysis reveals gluten-induced suppression of small intestine development in young chickens Darae Kang, Donghyun Shin, Hosung Choe, Doyon Hwang, Andrew Wange Bugenyi, Chong-Sam Na, Hak-Kyo Lee, Jaeyoung Heo, Kwanseob Shim J Anim Sci Technol 2022;64(4):752-769. https://doi.org/10.5187/jast.2022.e42 HTML PDF PubReader	RESEARCH ARTICLE Estimating milk production losses by heat stress and its impacts on greenhouse gas emissions in Korean dairy farms Geun-woo Park, Mohammad Ataallahi, Seon Yong Ham, Se Jong Oh, Ki-Youn Kim, Kyu Hyun Park J Anim Sci Technol 2022;64(4):770-781. https://doi.org/10.5187/jast.2022.e134 HTML PDF PubReader
RESEARCH ARTICLE Effects of various cooling methods and drinking water temperatures on reproductive performance and behavior in heat stressed sows Habeeb Tajudeen, Joseph Moturi, Abdolreza Hosseindoust, SangHun Ha, JunYoung Mun, YoHan Choi, SooJin Sa, JinSoo Kim J Anim Sci Technol 2022;64(4):782-791. https://doi.org/10.5187/jast.2022.e33 HTML PDF PubReader	RESEARCH ARTICLE Plasma concentration of dopamine varies depending on breed, sex, and the genotype of DRD4 in horses Junyoung Kim, Heejun Jung, Jae-Young Choi, Jang-Won Lee, Minjung Yoon J Anim Sci Technol 2022;64(4):792-799. https://doi.org/10.5187/jast.2022.e44 HTML PDF PubReader
RESEARCH ARTICLE Comparative metabolomic analysis in horses and functional analysis of branched chain (alpha) keto acid dehydrogenase complex in equine myoblasts under exercise stress Jeong-Woong Park, Kyoung Hwan Kim, Sujung Kim, Jae-rung So, Byung-Wook Cho, Ki-Duk Song J Anim Sci Technol 2022;64(4):800-811. https://doi.org/10.5187/jast.2022.e45 HTML PDF PubReader

AHEAD OF PRINT

Article

Estimating losses in milk production by heat stress and environmental impacts of greenhouse gas emissions in Korean dairy farms

Geun-woo Park, Mohammad Ataallahi, Seon Yong Ham, Se Jong Oh, Ki-Youn Kim, Kyu-Hyun Park

J Anim Sci Technol 2021 [published online ahead of print: Dec 10, 2021]
https://doi.org/10.5187/jast.2021.e134

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Article

Suppression of the TLR3 mediated pro-inflammatory gene expressions by PPDPF in chicken DF-1 cells

Eunmi Hwang, Hyungkuen Kim, Anh Duc Truong, Sung-Jo Kim, Ki-Duk Song

J Anim Sci Technol 2021 [published online ahead of print: Dec 10, 2021]
https://doi.org/10.5187/jast.2021.e1130

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