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Journal of Animal Science and Technology

Young-Jin Byun, Chul Young Lee, Myeong Hyeon Kim, Dae Yun Jung, Jeong Hee Han, Insurk Jang, Young Min Song, Byung-Chul Park
[This corrects the article DOI: 10.1186/s40781-017-0159-z.].
2018: Journal of Animal Science and Technology
Seunggun Won, Naveed Ahmed, Byung-Gu You, Soomin Shim, Seung-Su Kim, Changsix Ra
Background: Poultry breeding has increased by 306% in Korea, inevitably increasing the production of manure which may contribute to environmental pollution. The nutrients (NP) in the manure are essential for crop cultivation and soil fertility when applied as compost. Excess nutrients from manure can be accumulated on the land and can lead to eutrophication. Therefore, a nutrient load on the finite land should be calculated. Methods: This study calculates the nutrient production from Korean poultry by investigating 11 broiler and 16 laying hen farms...
2018: Journal of Animal Science and Technology
Rafael H Carvalho, Danielle C B Honorato, Paulo D Guarnieri, Adriana L Soares, Mayka R Pedrão, Alexandre Oba, Fernanda G Paião, Elza I Ida, Massami Shimokomaki
[This corrects the article DOI: 10.1186/s40781-017-0157-1.].
2018: Journal of Animal Science and Technology
Jeongtae Kim, Yowook Song, Dong Woo Kim, Muhammad Fiaz, Chan Ho Kwon
Background: Maize fodder is being used as staple feed for livestock but it lacks protein and essential amino acids; lysine and tryptophan. Intercropping maize with leguminous soybean crop is promising technique under limited land resources of South Korea but it can only give considerable advantages when adequate distance is provided between corn and soybean rows. Main aim of present study was to find-out adequate distance between corn and soybean seeding rows for optimum growth, yield and nutritive value of intercropped forage...
2018: Journal of Animal Science and Technology
Bhaskar Ganguly, Vijaypillai Umapathi, Sunil Kumar Rastogi
Infectious Bursal Disease is a severe viral disease of chicken responsible for serious economic losses to poultry farmers. The causative agent, Infectious Bursal Disease virus, is inhibited by nitric oxide. Root extract of the Indian ginseng, Withania somnifera, inhibits Infectious Bursal Disease virus in vitro. Also, Withania somnifera root extract is known to induce nitric oxide production in vitro. Therefore, the present study was undertaken to determine if the inhibitory activity of Withania somnifera against Infectious Bursal Disease virus was based on the production of nitric oxide...
2018: Journal of Animal Science and Technology
Young-Jin Byun, Chul Young Lee, Myeong Hyeon Kim, Dae Yun Jung, Jeong Hee Han, Insurk Jang, Young Min Song, Byung-Chul Park
Background: Dietary supplementation of zinc oxide (ZnO) to 2000 to 4000 mg/kg is known to be effective for the prevention and treatment of post-weaning diarrhea in the pig. Such a 'pharmacological' supplementation, however, can potentially result in environmental pollution of the heavy metal, because dietary ZnO is mostly excreted unabsorbed. Two experiments (Exp.) were performed in the present study to determine the effects of a lipid-coated ZnO supplement Shield Zn (SZ) compared with those of ZnO...
2017: Journal of Animal Science and Technology
Rafael H Carvalho, Danielle C B Honorato, Paulo D Guarnieri, Adriana L Soares, Mayka R Pedrão, Alexandre Oba, Fernanda G Paião, Elza I Ida, Massami Shimokomaki
Background: The poultry industry suffers losses from problems as pale, soft and exudative (PSE), and dark, firm and dry (DFD) meat can develop in meat as a result of short- and long-term stress, respectively. These abnormalities are impacted by pre-slaughter animal welfare. Methods: This work evaluated the effects of open vehicle container microclimate, throughout the 38 ± 10 km journey from the farm to the slaughterhouse, on commercially turkey transported during the Brazilian winter season...
2017: Journal of Animal Science and Technology
Mokhamad Fakhrul Ulum, Dilla Frastantie, Bambang Purwantara
Background: The change in size and weight of the female reproductive organs during gestation and birth might be affect the perineal muscles and this condition in dairy cow not been reported. This study aimed to assess the ultrasonographic image of coccygeus muscle in 11 inseminated dairy cows with different gestational ages and postpartum. Methods: Gestational age was calculated based on the record of artificial insemination and confirmed by using transrectal brightness mode ultrasonography...
2017: Journal of Animal Science and Technology
Neeraja Recharla, Kihyun Kim, Juncheol Park, Jinyoung Jeong, Yongdae Jeong, Hyunjeong Lee, Okhwa Hwang, Jaehyoung Ryu, Youlchang Baek, Youngkyun Oh, Sungkwon Park
Background: Major amino acids in pig diets are Lys, Met, Thr, and Trp, but little is known about the requirements for the other essential amino acids, especially on odorous compounds and microbial characteristics in feces of growing-finishing pigs. To this end, different levels of amino acid composition added to diets to investigate the effects of amino acid composition on microbial characteristics and odorous compounds concentration. Methods: A total eight (n = 8) barrows (Landrace × Yorkshire × Duroc) with an average bodyweight of 89...
2017: Journal of Animal Science and Technology
Olatunji Abubakar Jimoh, Emmanuel Olabisi Ewuola
Background: Rabbit breeding with high performance imported ones would be of benefit for genetic diversity and improvement of performance in domestic rabbit breeds. The rearing of more productive rabbit breeds could be pathway to improve the productivity and reduce the production cost. Maternal nutritional status exert a great influence on reproductive functions of does, which may expand from conception, through gestation and parturition and development of kits to puberty. Methods: Four breeds of rabbit were evaluated for their parturition, weaning and pubertal differences among the rabbit population in Ibadan, Nigeria...
2017: Journal of Animal Science and Technology
Seongjin Oh, Yasuyuki Suzuki, Shusuke Hayashi, Yutaka Suzuki, Satoshi Koike, Yasuo Kobayashi
Background: Cashew nut shell liquid (CNSL) is an agricultural byproduct containing alkylphenols that has been shown to favorably change the rumen fermentation pattern only under experimentally fixed feeding conditions. Investigation of CNSL potency in rumen modulation under a variety of feeding regimens, and evidence leading to the understanding of CNSL action are obviously necessary for further CNSL applications. The objective of this study was to evaluate the potency of CNSL for rumen modulation under different dietary conditions, and to visually demonstrate its surfactant action against selected rumen bacteria...
2017: Journal of Animal Science and Technology
A Cordova, W A King, G F Mastromonaco
Over the past decades, in vitro culture media have been developed to successfully support IVF embryo growth in a variety of species. Advanced reproductive technologies, such as somatic cell nuclear transfer (SCNT), challenge us with a new type of embryo, with special nutritional requirements and altered physiology under in vitro conditions. Numerous studies have successfully reconstructed cloned embryos of domestic animals for biomedical research and livestock production. However, studies evaluating suitable culture conditions for SCNT embryos in wildlife species are scarce (for both intra- and interspecies SCNT)...
2017: Journal of Animal Science and Technology
Y H Lee, Y I Kim, Y K Oh, F Ahmadi, W S Kwak
BACKGROUND: Very limited information exists on the ruminal degradation kinetics of nutrients in garlic stalk. The present study aimed to survey the annual yield of garlic stalk in Korea and determine its feed-nutritive value for ruminants. METHODS: In Experiment 1, garlic stalk was incubated in situ in the rumen of two Hanwoo steers (360 ± 15 kg body weight) and removed after 12, 24, or 48 h to determine the ruminal degradation kinetics of DM and NDF. Rice straw was also included for comparison...
2017: Journal of Animal Science and Technology
Mammo M Erdaw, Rider A Perez-Maldonado, Paul A Iji
BACKGROUND: Although soybean meal (SBM) is excellent source of protein in diets for poultry, it is sometimes inaccessible, costly and fluctuates in supply. The SBM can partially be replaced by full-fat SBM, but the meals prepared from raw full-fat soybean contain antinutritional factors. To avoid the risk of antinutritional factors, heat treatment is always advisable, but either excessive or under heating the soybean could negatively affect the quality. However, the potential for further improvement of SBM by supplementing with microbial enzymes has been suggested by many researchers...
2017: Journal of Animal Science and Technology
Kemal Tuna Olğaç, Ergun Akçay, Beste Çil, Burak Mehmet Uçar, Ali Daşkın
BACKGROUND: The aim of the study is to evaluate the effectiveness of thermographic monitoring, using the temperature changes of perianal and perivulvar areas for the determination of estrus in Anatolian Shepherd bitches. Fifteen bitches were used in the study. Blood and vaginal smear samples were collected and thermographic monitoring of perianal and perivulvar areas were carried out starting from proestrus to early diestrus. Also, external signs of estrus were investigated. Smear samples were evaluated by light microscopy after Diff-Quik staining method and superficial and keratinized superficial cells were determined as percentage (S + KS%)...
2017: Journal of Animal Science and Technology
Thiet Van Nguyen, A V Osipov
BACKGROUND: Ribonuclease (RNase) is one of the few toxic proteins that are present constantly in snake venoms of all types. However, to date this RNase is still poorly studied in comparison not only with other toxic proteins of snake venom, but also with the enzymes of RNase group. The objective of this paper was to investigate some properties of RNase from venom of Vietnam cobra Naja atra. METHODS: Kinetic methods and gel filtration chromatography were used to investigate RNase from venom of Vietnam cobra...
2017: Journal of Animal Science and Technology
Aaron Ross Flakemore, Bunmi Sherifat Malau-Aduli, Peter David Nichols, Aduli Enoch Othniel Malau-Aduli
BACKGROUND: Omega-3 long-chain (≥C20) polyunsaturated fatty acids (ω3 LC-PUFA) confer important attributes to health-conscious meat consumers due to the significant role they play in brain development, prevention of coronary heart disease, obesity and hypertension. In this study, the ω3 LC-PUFA content of raw and cooked Longissimus thoracis et lumborum (LTL) muscle from genetically divergent Australian prime lambs supplemented with dietary degummed crude canola oil (DCCO) was evaluated...
2017: Journal of Animal Science and Technology
C L Yan, H S Kim, J S Hong, J H Lee, Y G Han, Y H Jin, S W Son, S H Ha, Y Y Kim
BACKGROUND: In 2006, the European Union (EU) has decided to forbid use of antibiotics as growth promoters. Although many researches had been conducted about fiber source as alternatives of antibiotics, there are still lack of reports in the literature about the optimum level of sugar beet pulp supplementation, affecting growth performance and nutrient digestibility in weaning pigs. Therefore, different level of sugar beet pulp was added to diets to determine the effects of sugar beet pulp supplementation on growth performance, nutrient digestibility, fecal microflora, blood profile and incidence of diarrhea in weaning pigs...
2017: Journal of Animal Science and Technology
Kyung-Hoon Lee, Jae-Sung Lee, Tao Wang, Jin-Ju Oh, Sanggun Roh, Hong-Gu Lee
BACKGROUND: This study was performed to investigate the impact of exogenous ghrelin on the pancreatic α-amylase outputs and responses of pancreatic proteins to ghrelin that may relate to pancreatic exocrine. METHODS: Sprague-Dawley male rats (9 weeks old, 300 ± 10 g) were injected with ghrelin via intraperitoneal (i.p.) infusion at dosage of 0, 0.1, 1.0 and 10.0 μg/kg body weight (BW), respectively. The plasma ghrelin and cholecystokinin (CCK) level were determined using enzyme immunoassay kit; the mRNA expression of ghrelin receptor (GHSR-1α) and growth hormone (GH) receptor were assessed by reverse transcription PCR; the expressions of pancreatic α-amylase activity, extracellular-signal-regulated kinases (ERK), phosphorylated extracellular-signal-regulated kinases (pERK) and c-Jun N-terminal kinase (JNK) were evaluated by western blotting; moreover the responses of pancreatic proteins to ghrelin were analyzed using the two-dimensional gel electrophoresis system...
2017: Journal of Animal Science and Technology
H J Kim, S O Nam, J H Jeong, L H Fang, H B Yoo, S H Yoo, J S Hong, S W Son, S H Ha, Y Y Kim
BACKGROUND: To reduce use of main feed ingredient like corn, soy bean meal (SBM) and wheat, alternative ingredients has been studied like copra meal (CM). Production amount of CM which has been high makes CM to be an alternative feed stuff. However, low digestibility on AA and low energy content by high fiber content can be an obstacle for using CM. This experiment was conducted to evaluate the effects of CM supplementation with β-mannanase on growth performance, blood profile, nutrient digestibility, pork quality and economic analysis in growing-finishing pigs...
2017: Journal of Animal Science and Technology
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