Results 91 to 100 of about 83,521 (238)

Cholesterol-loaded cyclodextrin plus trehalose improves quality of frozen-thawed ram sperm

open access: yesVeterinární Medicína, 2019
The objective of this study was to determine effects of supplementing Tris-based semen extenders with either cholesterol-loaded cyclodextrin (CLC) or 7-dehydrocholesterol loaded cyclodextrin (7-DCLC) plus trehalose (T) for cryopreservation of ram semen ...
Muhammed Enes Inanc   +5 more
doaj   +1 more source

Size-dependent cryoprotective effects of curcumin nanoparticles on DNA integrity and motility in cryopreserved Angora buck sperm

open access: yesFrontiers in Veterinary Science
Curcumin is a potent antioxidant and anti-inflammatory agent derived from the Curcuma longa plant. However, its low water solubility and limited bioavailability restrict its effectiveness in cryopreservation applications.
Ali Erdem Öztürk   +13 more
doaj   +1 more source

The genealogical jigsaw puzzle - a missing piece? the right to know for A.I.D. children [PDF]

open access: yes, 2004
This paper examines current UK legal regulation relating to the provision of genetic background information to children born by donor insemination (Dl) and argues in favour of changes to the existing law - the Human Fertilisation and Embryology Act 1990.
Henaghan, Caroline
core  

The effects of supplementation of vitamin D to the egg‐yolk extender on cryopreservation of ram semen

open access: yesVeterinary Medicine and Science
Objectives This study aimed to examine the effects of supplementation of vitamin D to the egg‐yolk extender on characteristics of frozen–thawed ram semen. Methods Semen samples obtained from adult rams were pooled and divided into five equal volumes.
Ahmet Aktar   +4 more
doaj   +1 more source

Regulating Sperm Donation: Why Requiring Exposed Donation Is Not the Answer [PDF]

open access: yes, 2009
[...] the risk of incest and consanguinity11 are prevalent with anonymous donation12 since there is no monitoring of the number of live births per donor.
Pi, Vanessa L.
core   +1 more source

Features of reproduction and assisted reproduction in the white (Ceratotherium simum) and black (Diceros bicornis) rhinoceros [PDF]

open access: yes, 2015
Despite the worldwide increase of rhinoceros calf numbers, the growth of the population of white and black rhinoceros is slowing down mainly due to anthropogenic causes, such as poaching and habitat loss.
Govaere, Jan   +3 more
core  

Improving the reproductive performance of the Muturu breed of cattle in Nigeria using modified Ovsynch and progesterone synchronization protocol : a thesis presented in partial fulfilment of the requirement for the degree of Master of Science in Animal Science, Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 2017
The Ovsynch protocol has been used in cattle to synchronize ovulation and facilitate fixed-time AI (FTAI) but its efficacy has not been evaluated in the Nigerian Muturu breed of B. indicus cattle. The effects of a modified Ovsynch protocol (modified by
Obianwuna, Uchechukwu
core  

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