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Reproduction in domestic animals : Zuchthygiene 28건

  1. [해외논문]   Corrigendum  


    Reproduction in domestic animals : Zuchthygiene v.53 no.4 ,pp. NA , 2018 , 0936-6768 ,

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

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  2. [해외논문]   Issue Information  


    Reproduction in domestic animals : Zuchthygiene v.53 no.4 ,pp. 829 - 830 , 2018 , 0936-6768 ,

    초록

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    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  3. [해외논문]   Research progress on the role of melatonin and its receptors in animal reproduction: A comprehensive review   SCI SCIE

    Talpur, HS (Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, Huazhong Agricultural University, Wuhan, China) , Chandio, IB (Shaheed Benazir Bhutto University of Veterinary and Animal Sciences, Sakrand, Pakistan) , Brohi, RD (Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, Huazhong Agricultural University, Wuhan, China) , Worku, T (Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, Huazhong Agricultural University, Wuhan, China) , Rehman, Z (Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, Huazhong Agricultural University, Wuhan, China) , Bhattarai, D (Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, Huazh) , Ullah, F , JiaJia, L , Yang, L
    Reproduction in domestic animals : Zuchthygiene v.53 no.4 ,pp. 831 - 849 , 2018 , 0936-6768 ,

    초록

    Contents Melatonin and its receptors play a crucial role in the regulation of the animal reproductive process, primarily in follicular development. However, the role that melatonin performs in regulating hormones related with reproduction remains unclear. Melatonin and its receptors are present both in female and male animals’ organs, such as ovaries, heart, brain and liver. Melatonin regulates ovarian actions and is a key mediator of reproductive actions. Melatonin has numerous effects on animal reproduction, such as protection of gametes and embryos, response to clock genes, immune‐neuroendocrine, reconciliation of seasonal variations in immune function, and silence or blockage of genes. The growth ratio of reproductive illnesses in animals has raised a remarkable concern for the government, animal caretakers and farm managers. In order to resolve this challenging issue, it is very necessary to conduct state‐of‐the‐art research on melatonin and its receptors because melatonin has considerable physiognomies. This review article presents a current contemporary research conducted by numerous researchers from the entire world on the role of melatonin and its receptors in animal reproduction, from the year 1985 to the year 2017. Furthermore, this review shows scientific research challenges related to melatonin receptors and their explanations based on the findings of 172 numerous research articles, and also represents significant proficiencies of melatonin in order to show enthusiastic study direction for animal reproduction researchers.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

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  4. [해외논문]   Resveratrol–cyclodextrin complex affects the expression of genes associated with lipid metabolism in bovine in vitro produced embryos   SCI SCIE

    Torres, V (Grupo BIOGEM, Universidad Nacional de Colombia Sede Medellín, Medellín, Colombia) , Hamdi, M (Reproduction Department, INIA, Madrid, Spain) , Millá (Reproduction Department, INIA, Madrid, Spain) , n de la Blanca, MG (Facultad de Medicina Veterinaria y Zootecnia, Grupo INCA‐CES, CES, Medellín, Colombia) , Urrego, R (Grupo BIOGEM, Universidad Nacional de Colombia Sede Medellín, Medellín, Colombia) , Echeverri, J (Grupo BIOGEM, Universidad Nacional de Colombia Sede Medellín, Medellín, Colombia) , Ló (Reproduction Department, INIA, Madrid, Spain) , pez‐ (Reproduction Department, INIA, Madrid, Spain) , Herrera, A (Reproduction Department, INIA, Madrid, Spain) , Rizos, D , Gutié , rrez‐ , Adá , n, A , Sá , nchez‐ , Calabuig, MJ
    Reproduction in domestic animals : Zuchthygiene v.53 no.4 ,pp. 850 - 858 , 2018 , 0936-6768 ,

    초록

    Contents Antioxidants have been widely used during in vitro production to decrease the negative effect of reactive oxygen species. It was reported that the complex resveratrol–methyl β‐cyclodextrin (RV‐CD) improves resveratrol's stability and bioavailability and increases its antioxidant activity. This study evaluates the effect of RV‐CD during in vitro oocyte maturation (IVM) or in vitro embryo culture (IVC) on developmental competence and quantitative changes in gene expression of developmental important genes. In experiment 1, RV‐CD was added to IVM media and maturation level, embryo development and oocytes, cumulus cells, and blastocysts gene expression by RT‐qPCR were examined. In experiment 2, presumptive zygotes were cultured in SOF supplemented with RV‐CD and embryo development and blastocysts gene expression by RT‐qPCR were studied. A group without RV‐CD (control − ) and a group with cyclodextrin (control + ) were included. No differences were found in cleavage rate or blastocyst yield between groups. However, the expression of LIPE was higher in blastocysts derived from oocytes treated with resveratrol compared with control groups ( p .05). Blastocysts produced by IVC with resveratrol showed that RV‐CD could modify the expression of genes related to lipid metabolism ( CYP51A1 , PNPLA2 and MTORC1 ) compared with control groups ( p

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

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  5. [해외논문]   Secondary sexual traits and semen characteristic of chicken germline chimeras   SCI SCIE

    Łukaszewicz, E (Division of Poultry Breeding, Institute of Animal Breeding, Wrocław University of Environmental and Life Sciences, Wrocław, Poland) , Lasoń (Division of Poultry Breeding, Institute of Animal Breeding, Wrocław University of Environmental and Life Sciences, Wrocław, Poland) , , M (Division of Poultry Breeding, Institute of Animal Breeding, Wrocław University of Environmental and Life Sciences, Wrocław, Poland) , Kowalczyk, A (Department of Animal Biochemistry and Biotechnology, UTP University of Science and Technology, Bydgoszcz, Poland) , Bednarczyk, M
    Reproduction in domestic animals : Zuchthygiene v.53 no.4 ,pp. 859 - 863 , 2018 , 0936-6768 ,

    초록

    Contents Birds obtained by embryo engineering are used to study embryo development and to produce transgenic birds. As this method of producing birds still generate strong emotions of the public opinion head ornaments, testes and semen characteristics of sex chimera roosters were examined to check whether they differ from chickens obtained by non‐manipulated methods. Measurements of head ornaments, testes and semen were correlated with each other. Semen quality factor (SQF) was calculated, as well as the level of fluctuating asymmetry (FA) of bilateral traits (wattles and testes). Positive correlation was found for comb width and wattle length and comb thickness and sperm concentration. Semen characteristics and FA did not exceed the level encounter in other chicken lines. Results obtained indicate that germline chimeras are similar in appearance of secondary sexual traits, and semen and testes characteristics to chickens produced in non‐manipulated way.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  6. [해외논문]   miR‐26a suppresses autophagy in swine Sertoli cells by targeting ULK2   SCI SCIE

    Ran, M (College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan, China) , Li, Z (College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan, China) , Cao, R (College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan, China) , Weng, B (College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan, China) , Peng, F (College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan, China) , He, C (College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan, China) , Chen, B (College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan, China)
    Reproduction in domestic animals : Zuchthygiene v.53 no.4 ,pp. 864 - 871 , 2018 , 0936-6768 ,

    초록

    Contents A large number of microRNAs (miRNAs) have been detected from porcine testicular tissues thanks to the development of high‐throughput sequencing technology. However, the regulatory roles of most identified miRNAs in swine testicular development or spermatogenesis are poorly understood. In our previous study, ULK2 (uncoordinated‐51‐like kinase 2) was predicted as a target gene of miR‐26a. In this study, we aimed to investigate the role of miR‐26a in swine Sertoli cell autophagy. The relative expression of miR‐26a and ULK2 levels has a significant negative correlation ( R 2 = .5964, p ≤ .01) in nine developmental stages of swine testicular tissue. Dual‐luciferase reporter assay results show that miR‐26a directly targets the 3′UTR of the ULK2 gene (position 618–624). In addition, both the mRNA and protein expression of ULK2 were downregulated by miR‐26a in swine Sertoli cells. These results indicate that miR‐26a targets the ULK2 gene and downregulates its expression in swine Sertoli cells. Based on the expression of marker genes (LC3, p62 and Beclin‐1), overexpression of miR‐26a or knock‐down of ULK2 inhibits swine Sertoli cell autophagy. Taken together, these findings demonstrate that miR‐26a suppresses autophagy in swine Sertoli cells by targeting ULK2 .

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  7. [해외논문]   Histological and immunohistochemical investigations of ovarian interstitial glands during non‐breeding season in camels (Camelus dromedarius)   SCI SCIE

    Awad, MM (Faculty of Veterinary Medicine, Department of Histology, South Valley University, Qena, Egypt) , Mohamed, RH (Faculty of Veterinary Medicine, Department of Theriogenology, Aswan University, Aswan, Egypt) , Amin, YA (Faculty of Veterinary Medicine, Department of Theriogenology, Aswan University, Aswan, Egypt) , Hussein, HA (Faculty of Veterinary Medicine, Department of Theriogenology, Assiut University, Assiut, Egypt)
    Reproduction in domestic animals : Zuchthygiene v.53 no.4 ,pp. 872 - 879 , 2018 , 0936-6768 ,

    초록

    Contents The aim of this was to investigate the histology and immunohistochemistry of interstitial glands during non‐breeding season in camel ovaries. A total of 21 mature, non‐pregnant and apparently healthy camels aged between 8 and 12 years were slaughtered. The ovaries were removed within 15 min, cleaned from adipose tissue, weighted and examined grossly. The histological preparation was made, and then, the blocks were cut at 3–5 microns thickness and stained by H&E for histological examinations. Moreover, some sections were stained with Sudan Black for lipid detection. Immunohistochemical analysis of paraffin‐embedded ovarian tissues was performed to detect the localization of S‐100, vimentin, progesterone receptors (PR) and oestrogen receptors (ER). Immunoreactive signals were detected using UltraVision Detection System. The results revealed that the interstitial glands were located in the cortical region and they were arranged in various arrangements either single, in couple or in groups rich in lipid droplet. All interstitial gland arrangements were enclosed by connective tissue capsules containing fibroblasts and collagenous fibres separated them from the surrounding ovarian structures. Both interstitial glands and their surrounding CT were penetrated by several blood vessels. There was a strong immunoreactive signal for S‐100 in the nuclei of interstitial cells, and no signals were detected either in cells of the interstitial glands or their connective tissue with PR. We could conclude that the interstitial gland is distinct in ovary of camel and further studies are needed to elucidate its rule in steroid synthesis.

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  8. [해외논문]   Interactions between different media and follicle‐stimulating hormone supplementation on in vitro culture of preantral follicles enclosed in ovarian tissue derived from collared peccaries (Pecari tajacu Linneaus, 1758)   SCI SCIE

    Lima, GL (Laboratory of Animal Germplasm Conservation, UFERSA, Mossoró, RN, Brazil) , Luz, VB (Centro Universitário CESMAC, Maceió, AL, Brazil) , Lima, LF (Laboratory of Ovarian Preantral Follicles Manipulation, UECE, Fortaleza, CE, Brazil) , Rocha, RMP (Laboratory of Ovarian Preantral Follicles Manipulation, UECE, Fortaleza, CE, Brazil) , Castro, SV (Laboratory of Ovarian Preantral Follicles Manipulation, UECE, Fortaleza, CE, Brazil) , Castelo, TS (Laboratory of Animal Germplasm Conservation, UFERSA, Mossoró, RN, Brazil) , Rodrigues, APR (Laboratory of Ovarian Preantral Follicles Manipulation, UECE, Fortaleza, CE, Brazil) , Figueiredo, JR (Laboratory of Ovarian Preantral Follicles Manipulation, UECE, Fortaleza, CE, Brazil) , Silva, AR (Laboratory of Animal Germplasm Conserv)
    Reproduction in domestic animals : Zuchthygiene v.53 no.4 ,pp. 880 - 888 , 2018 , 0936-6768 ,

    초록

    Contents The aim was to verify the effect of follicle‐stimulating hormone (FSH) supplementation to α‐MEM+ or TCM199+ media on the in vitro development of ovarian preantral follicles (PFs) derived from collared peccaries. Ovaries ( n = 5 pairs) were collected and divided into fragments destined to control group (non‐cultured) or treatments that were cultured for 7 days. The PFs morphology, growth and activation were evaluated by classical histology. The immunohistochemistry markers Ag‐NOR and PCNA were used for nuclear proliferation analysis, and the picrosirius red labelling was used for ovarian extracellular matrix (ECM) evaluation. After 7‐day culture, only the TCM199+ treatment maintained the proportion of intact PFs similar to day 1 (63.2%), but no differences were found among treatments ( p > .05). In addition, a significant increase in the growing follicles proportion was verified for all the treatments, indicating follicular activation ( p > .05). By the Ag‐NOR analysis, only the TCM199+/FSH maintained the nuclear proliferation similar to the first day ( p > .05). The picrosirius red staining revealed that the ECM remained intact in all the treatments ( p > .05). We suggest the use of TCM199+ medium supplemented of FSH for the in vitro development of peccaries PFs under 7‐day culturing conditions.

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  9. [해외논문]   Bacteriological findings in the canine uterus during Caesarean section performed due to dystocia and their correlation to puppy mortality at the time of parturition   SCI SCIE

    Goericke‐ (Department of Veterinary Clinical Sciences, Section for Veterinary Reproduction and Obstetrics, University of Copenhagen, Frederiksberg C, Denmark) , Pesch, S (Department of Veterinary Clinical Sciences, Clinic for Obstetrics, Gynecology and Andrology of Large and Small Animals, Justus‐Liebig University, Giessen, Germany) , Fux, V (Institute for Hygiene and Infectious Diseases of Animals, Justus‐Liebig University, Giessen, Germany) , Prenger‐ (Department of Veterinary Clinical Sciences, Clinic for Obstetrics, Gynecology and Andrology of Large and Small Animals, Justus‐Liebig University, Giessen, Germany) , Berninghoff, E , Wehrend, A
    Reproduction in domestic animals : Zuchthygiene v.53 no.4 ,pp. 889 - 894 , 2018 , 0936-6768 ,

    초록

    Contents Canine intrauterine bacteriological flora during dystocia is unknown. Thus, frequency (bacterial growth (not) detected), quality (species and number of different bacterial isolates) and quantity (colony‐forming units) of intrauterine bacteria in relation to in utero foetal death in 50 bitches undergoing emergency Caesarean section were investigated. Bacterial growth was quantified from single colonies, (+) (0.5), to strong growth, +++ (3) and was observed in 34 bitches (68%), with Staph. epidermidis ( n = 12), Staph. intermedius‐ group ( n = 7), β‐haemolytic streptococci ( n = 6), Staph. aureus , α‐ and γ‐haemolytic streptococci ( n = 4 each) being most common and one to four bacteria per sample. Regarding the quantity, most often ( n = 46) low growth was identified. In bitches with living pups only (group I), mean number of isolates was 0.78 ± 0.83 compared to 1.60 ± 1.10 (living + stillborn pups, group II) and 1.0 ± 1.15 (stillborn pups only, group III) and mean bacterial growth in groups I/II/III was + (1.0, quantity), + (1.4) and ++ (1.6). Taking just positive samples into consideration, mean number of bacterial isolates was significantly higher in group II compared to I ( p = .0088). We concluded that the canine uterus cannot be considered free of bacteria during dystocia. Mean numbers of different bacterial isolates and quantity of bacterial growth are higher in bitches with in utero foetal death.

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  10. [해외논문]   Molecular cloning and expression of FGF2 gene in pre‐implantation developmental stages of in vitro‐produced sheep embryos   SCI SCIE

    Mor, A (ICAR‐National Institute of Animal Nutrition and Physiology, Bangalore, India) , Mondal, S (ICAR‐National Institute of Animal Nutrition and Physiology, Bangalore, India) , Reddy, IJ (ICAR‐National Institute of Animal Nutrition and Physiology, Bangalore, India) , Nandi, S (ICAR‐National Institute of Animal Nutrition and Physiology, Bangalore, India) , Gupta, PSP (ICAR‐National Institute of Animal Nutrition and Physiology, Bangalore, India)
    Reproduction in domestic animals : Zuchthygiene v.53 no.4 ,pp. 895 - 903 , 2018 , 0936-6768 ,

    초록

    Contents Early embryonic mortality is one of the main sources of reproductive loss in domestic ruminants including sheep. Fibroblast growth factor‐2 (FGF‐2) is a member of FGFs family that mediates trophoblast activities and regulates embryonic development in various species. In this study, we have cloned, characterized sheep FGF2 cDNA (KU316368) and studied the expression in sheep embryos. Ovaries of non‐pregnant sheep were collected from local abattoir and matured in culture medium at 38.5ºC, 5% CO 2 , 95% humidity for 22–24 hr. The matured oocytes were inseminated with capacitated spermatozoa in Brackett and Oliphant medium and resulted embryos were cultured in CO 2 incubator for 6–7 days to complete the developmental stages from two cells to blastocyst stage. Total RNA was extracted from immature oocytes ( n = 100), mature oocytes ( n = 100) and different stages of embryos such as 2 cell ( n = 50), 4 cell ( n = 25), 8 cell ( n = 12), 16 cell ( n = 6), morula ( n = 5) and blastocyst ( n = 3). The total RNA isolated from the oocytes and embryos was reverse transcribed and subjected to real‐time polymerase chain reaction using sequence‐specific primers and SYBR green as the DNA dye. On sequence analysis, the nucleotide sequence of sheep FGF2 exhibited highest sequence similarity with cattle (100%) and least with rat and mouse (69.2%). At the deduced amino acid level, a highest degree of similarity was noticed with cattle, buffalo, goat, pig, camel and horse (100%) and lowest degree of identity with rat, human and mouse (98.2%). The FGF2 mRNA expression was higher in immature and mature oocytes and gradually decreases from 2‐cell stage of embryo to the blastocyst stage. More over a significant differences in FGF2 mRNA expression ( p

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