منابع مشابه
The Effect of Cattle Seminal Plasma Crude Protein on the Cryopreservation of Goat Semen
This study aimed to improve the quality of cryopreserved goat semen for artificial insemination by the addition of cattle seminal plasma crude protein. Semen collected from cattle and centrifuged to obtain seminal plasma. Then it was purified to obtain the crude protein. The diluent used in this study was milk-yolk. There were three groups, control group without crude protein (P0), the addition...
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this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
15 صفحه اولAdvances in Boar Semen Cryopreservation
The present paper highlights aspects of the cryopreservation of boar semen, a species with particular large, fractionated ejaculates, and a cumbersome cryotechnology that had prevented its commercial application. With the dramatic increase of use of liquid pig semen for artificial breeding over the past decade, developments on cryopreservation alongside the routine use of stud boar semen for AI...
متن کاملAdvances in avian semen cryopreservation
Semen cryopreservation in domestic birds has been studied extensively in the past fifty years. However, efficient methods to freeze semen of chicken of different breeds have emerged only in the last decade of the 20 century. Methods using cryoprotectants Glycerol, Dimethyl Acetamide and Dimethyl sulfoxide, slow or rapid freezing-thawing procedures, pellets or ampoules or straws packaging have b...
متن کاملCryoprotectants & Cryopreservation of Equine Semen: A Review of Industry Cryoprotectants and the Effects of Cryopreservation on Equine Semen Membranes
However, early efforts to incorporate AI into production schemes were limited by the functional lifespan of ejaculated spermatozoa. Therefore, widespread the use of AI Cryopreservation (CP) is the ability to store cells and maintain their integrity and viability at a sub-zero temperature until needed. Like some of the greatest discoveries, CP of semen was the result of a fortunate lab error. In...
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ژورنال
عنوان ژورنال: Medical Journal Armed Forces India
سال: 2004
ISSN: 0377-1237
DOI: 10.1016/s0377-1237(04)80157-6