International Journal of Animal Science and Technology

Archive

Volume 2, Issue 1, March 2018

  • Microscopic Anatomy of Sertoli and Leydig Cells During Fetal Development in Baladi Rabbit

    Reda Mohamed, Zein Adam, Mohammed Gad, Khalid Mazher

    Issue: Volume 2, Issue 1, March 2018
    Pages: 1-5
    Received: 26 November 2017
    Accepted: 8 December 2017
    Published: 10 January 2018
    DOI: 10.11648/j.ijast.20180201.11
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    Abstract: Fifty three baladi rabbit embryos and fetuses were used in this study. The results revealed that the testicular differentiation occurred with the formation of the testicular cords with their constituents, gonocytes and primitive Sertoli cells at the 18th day postconception. The Sertoli cells were increased in number from 20th day postconception onw... Show More
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  • Isolation, Identification and Antimicrobial Susceptibility Test of Mastitis Causing Bacteria at Holeta Agricultural Research Center Dairy Farms

    Kanenus Dereje Dereje, Abriham Kebede, Nigus Abebe, Yobsan Tamiru

    Issue: Volume 2, Issue 1, March 2018
    Pages: 6-13
    Received: 17 November 2017
    Accepted: 29 November 2017
    Published: 17 January 2018
    DOI: 10.11648/j.ijast.20180201.12
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    Abstract: A cross-sectional study was conducted from November 2014 to April 2015 to determine the prevalence of bovine mastitis, isolation of mastitis causing bacteria’s and characterize antimicrobial susceptibility pattern at Holeta Agricultural Research Centre (HARC) Dairy Farms. Purposive sampling technique was employed and all lactating cows were involve... Show More
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  • About Some Features of the North Ossetian Populations of Greek Clouded Yellow (Colias aurorina Herrich-Schäffer, 1850)

    Vitaly Dobronosov

    Issue: Volume 2, Issue 1, March 2018
    Pages: 14-17
    Received: 23 November 2017
    Accepted: 6 December 2017
    Published: 17 January 2018
    DOI: 10.11648/j.ijast.20180201.13
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    Abstract: In North Ossetia populations of Greek Clouded Yellow which features and differences from other known populations were not studied so far were revealed. The purpose of this study was to learn the features of North Ossetia populations and their differences from the known populations in other parts of the area. It was used the reference practical stan... Show More
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  • An Investigation of the Ectoparasites of Slaughtered Cattle at Keffi Abattoir in Nassarawa State of Nigeria, Sub-Sahara Africa

    Mukhtar O. Adamu, Abdullahi S. Onawo, Fatimat O. Adebayo

    Issue: Volume 2, Issue 1, March 2018
    Pages: 18-22
    Received: 27 November 2017
    Accepted: 9 December 2017
    Published: 19 January 2018
    DOI: 10.11648/j.ijast.20180201.14
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    Abstract: Ectoparasites represent a major source of livestock productivity loss. This study assessed different types as well as the predilection sites of ectoparasites on slaughtered cattle at Keffi abattoir. The fleas and lice were collected by combing the skin of the animal, while the ticks were carefully picked using a forceps. The ectoparasites found wer... Show More
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