Results 11 to 20 of about 36,250 (225)
Linking laboratory findings to field fertility: a comparative study of frozen semen from dairy and beef bulls [PDF]
Frontiers in Veterinary ScienceArtificial insemination in cattle relies on laboratory semen evaluation, yet field fertility often diverges from laboratory-based expectations.
Alper Kocyigit +5 more
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EFFECT OF HCG WITH INTRAVAGINAL SPONGES ON REPRODUCTIVE PERFORMANCE IN AWASSI EWES DURING ESTRUS SYNCHRONIZATION [PDF]
Assiut Veterinary Medical Journal, 2014 One hundred and nineteen Awassi ewes, 3 to 5 years old, treated with vaginal sponges. eCG and hCG, were used to determine their response for estrus synchronization and pregnancy rates during anestrous season.
NASOUH KHAZNADAR +2 more
doaj +1 more source
IMPACT OF ZINC AND TOCOPHEROL ON FUNCTIONAL COMPETENCE OF CRYOPRESERVED BUFFALO PERMATOZOA [PDF]
Assiut Veterinary Medical Journal, 1999 Five buffalo-bulls aged 3-4 years were used in the present work. They were classified into four groups. Group I involved one buffalo-bull, which served as a control.
M.A.F. El-Sheltawi +3 more
doaj +1 more source
Frontiers in Cell and Developmental Biology, 2023 The seminal plasma (SP) is the liquid component of semen that facilitates sperm transport through the female genital tract. SP modulates the activity of the ovary, oviductal environment and uterine function during the periovulatory and early pregnancy ...
S. M. Toledo-Guardiola +5 more
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ASSESSMENT OF THE EFFICACY O SEPHADEX FILTRATION OF BUFFALO SPERMATOZOA FOR CRYOPRESERVATION [PDF]
Veterinary Medical Journal - Giza, 2006 In the present study, two experiments were conducted. The first experiment aimed to study the influence of buffalo bull semen filtration throughout different grades of sephadex columns (G-25, G-50, G-75, G-100 and G-200) on semen quality.
MAHA ZIADA +3 more
doaj +1 more source
Use of artificial insemination in dairy herds in Northwestern Rio-grandense, Brazil
Revista Colombiana de Ciencias Pecuarias, 2022 Background: The use of artificial insemination (AI) in dairy cattle has a direct impact on productivity through genetic improvement and, indirectly, by other technologies that allow for better expression of the genetic potential.
Heitor-José Cervo +3 more
doaj +1 more source
Revista de Ciências Agroveterinárias, 2023 The objective of this study was to compare pregnancy rates in domestic cats using fresh semen for the bilateral intrauterine insemination (BIUI) method and the novel uterine body insemination (UBI) method.
Amin Roshani +5 more
doaj +1 more source
The effect of season on semen parameters in cross-bred boars and phenotypic correlations between semen characteristics in different seasons [PDF]
Journal of Central European Agriculture, 2016 The study evaluated ejaculates of cross-bred boars produced by reciprocal cross-breeding of the breeds Duroc and Pietrain, as well as the effect of the season of the year on qualitative and quantitative parameters of the semen of these boars.
Bogdan SZOSTAK, Łukasz PRZYKAZA
doaj +1 more source
The Effect of Ginger on Frozen-Thawed Sperm Quality and Fertility of Broiler Breeder Roosters [PDF]
پژوهشهای علوم دامی ایران, 2023 Introduction: Fertility is one of the main factors influencing the economic result in poultry flocks and it is influenced by several variables including breed, nutrition quality, flock age and sperm quality.
Khalil Mirzadeh, Amin Kazemizadeh
doaj +1 more source
Journal of Medical Ethics, 1975 This paper reviews the technical and social problems concerned in donor insemination in the light of recent developments. The most important of these is the declining number of babies available for adoption by subfertile couples because modern methods and attitudes have reduced the number of unplanned births.
M G, Kerr, C, Rogers
openaire +2 more sources