Many fish species with economic importance have been heavily exploited, causing the collapse of their fisheries. For this reason, there have been attempts to cultivate fish species for commercial purposes, resulting in varying success. It has been observed that when some species are kept in capti...
Valdebenito Isler, Iván
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Paiva, L.
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Berland Olea, Marco
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[Follicular atresia in teleost fish: a review]
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Follicular atresia in teleost fish: a review
In most teleost fish with external fertilization, the spermatozoids are immobile in the seminal fluid and they are activated only after making contact with all aqueous medium. The time of flagellar movement is short in most species. Furthermore, the factors that trigger this process are different...
Valdebenito Isler, Iván
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Fletcher, C.
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Vera, V.
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Fernandez, J.
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[Physical-chemical factors that regulate spermatic motility in fish: basic and applied aspects. A review]
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Physical-chemical factors that regulate spermatic motility in fish: basic and applied aspects. A review
Zapata Zapata, Viviana Alejandra
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[Mapuche Educational Methods: Challenges of the double educational rationality, contributions for an intercultural educational approach]
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Mapuche Educational Methods: Challenges of the double educational rationality, contributions for an intercultural educational approach
Mansilla Sepúlveda, Juan
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[INDICATORS OF GENDER VIOLENCE IN PERU: THE PERCEPTION OF THE TECHNICAL STAFF OF THE EMERGENCY CENTERS FOR WOMEN (CEM)]
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INDICATORS OF GENDER VIOLENCE IN PERU: THE PERCEPTION OF THE TECHNICAL STAFF OF THE EMERGENCY CENTERS FOR WOMEN (CEM)
The present literature review analyzes the current state of artificial control of sexual maturity in fish culture using hormone therapy, evaluating the advantages and disadvantages of different technological strategies available. The discussion covers from the first successful attempt conducted b...
Valdebenito Isler, Iván
,
[Hormone therapy for the artificial control of sexual maturity in fish culture: a review]
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Hormone therapy for the artificial control of sexual maturity in fish culture: a review
Sperm cryopreservation has led to transcendental changes in the reproductive biotechnology of both mammals and fish, and is a basic tool for animal improvement. However, these protocols generate damage to cell structure and physiology, altering sperm function as a result of cryoinjuries during fr...
Figueroa Villalobos, Elías
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Valdebenito Isler, Iván
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Farias, Jorge G.
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[Technologies used in the study of sperm function in cryopreserved fish spermatozoa]
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Technologies used in the study of sperm function in cryopreserved fish spermatozoa
The domestic cat can be defined as a seasonal poliestrous female. During mating the physical stimulus produce the release of LH and ovulation, which occur during the first 50 hours post mating. The fertilization of oocytes takes place inside the oviduct during the 30 hours post ovulation. The emb...
The object of the present review is to analyze the methodologies that are commonly used to estimate protein degradability in the rumen, focusing on their attributes and limitations to offer suggestions for improving their use. This information is essential for selecting food types when formulatin...
Velásquez Briceno, Alejandro
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Rivero, Jordana
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Marnet, Pierre-Guy
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[Empirical attributes and limitations of methodologies for predicting the degradability of ruminal protein]
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Empirical attributes and limitations of methodologies for predicting the degradability of ruminal protein