Results 41 to 50 of about 33,621 (168)

Investigation of Sexes and Fertility Potential of Female Russian Sturgeon (Acipenser gueldenstaedtii) and Male American Paddlefish (Polyodon spathula) Hybrids

open access: yesLife
In the present study, 10 allotriploid (3nALT) and 10 allopentaploid (5nALP) six-month-old hybrid fish and two 3nALT and four 5nALP 40-month-old hybrid fish, which resulted by crossing female Russian sturgeon Acipenser gueldenstaedtii (Brandt and ...
Katalin Bogár   +12 more
doaj   +1 more source

Gonadal Histopathological Disorders in Mytilus galloprovincialis Male Exposed to Tars Used in Mussel Farms

open access: yesFrontiers in Marine Science, 2019
Polycyclic aromatic hydrocarbons (PAHs) and trace metals are pollutants widely distributed in the marine environment with toxic effects on live organisms, but few laboratory studies have proved their causal relationship with histopathologic alterations ...
Ana Alonso   +6 more
doaj   +1 more source

EFFECT OF THE VITAMIN E IN COMMERCIAL FEED CONTAINING GLUTATHIONE ON HISTOLOGY LIVER AND GONADS OF KISSING GOURAMI FISH [PDF]

open access: yesRussian Journal of Agricultural and Socio-Economic Sciences, 2022
Kissing gourami fish is one of the swamp fish in South Kalimantan. Vitamin E is a micronutrient with important role for reproduction, the addition vitamin E for gonad maturation in Kissing gourami fish still not done.
Ari A.L.C., Indira F., Muhammad A.
doaj  

Mercury, cadmium and lead in black scabbardfish (Aphanopus carbo Lowe, 1839) from mainland Portugal and the Azores and Madeira archipelagos

open access: yesScientia Marina, 2009
Total mercury (THg), cadmium (Cd) and lead (Pb) concentrations were investigated in muscle, liver and gonad tissue of black scabbardfish (Aphanopus carbo) from the southern northeast Atlantic at three Portuguese locations: the mainland and the ...
Valentina Costa   +10 more
doaj   +1 more source

Immune-Endocrine Interactions in the Fish Gonad during Infection: An Open Door to Vertical Transmission

open access: yesFishes, 2018
The interaction between the immune and endocrine systems has long been recognized in vertebrates. In fish, it is known that the prevalence and intensity of such infections are higher in males than in females and probably related to sex steroid hormone ...
Yulema Valero   +4 more
doaj   +1 more source

Gonadal irradiation.

open access: yesSouth African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde, 1974
A brief account is given of the circumstances under which gonadal irradiation may be expected to occur. The nonspecific tissue effect and the hormonal and sterilising effects are considered. Genetic implications are mentioned.S. Afr. Med. J., 48, 543 (1974).
openaire   +3 more sources

Direct in vitro propagation of avian germ cells from an embryonic gonad biorepository

open access: yesPoultry Science
: Direct introduction of cryopreserved embryonic gonadal germ cells (GGC) into a sterile chicken surrogate host to reconstitute a chicken breed has been demonstrated as a feasible approach for preserving and utilizing chicken genetic resources.
Tuanjun Hu   +6 more
doaj   +1 more source

Ectopic Gonads [PDF]

open access: yesThe Journal of Obstetrics and Gynecology of India, 2013
Vanita, Vaishnav   +4 more
openaire   +2 more sources

ПАТОЛОГИИ ГОНАД СУДАКА ОБЫКНОВЕННОГО (SANDER LUCIOPERCA L.) В АЗОВСКОМ МОРЕ

open access: yesВетеринарная патология, 2012
Data are presented of the reproductive system of the Azov Sea pike perch Sander lucioperca L. females. Abnormal development of gonads has been observed in 20% of the fish checked up.

doaj  

Male gonadal toxicity [PDF]

open access: yesPediatric Blood & Cancer, 2009
AbstractCancer treatment with chemotherapy or radiotherapy causes gonadal toxicity in male patients. The endpoint of most concern for future reproductive options is the induction of prolonged azoospermia, which may or may not be reversible. The immediate effects of therapy and its reversibility are most readily observed in post‐pubertal patients, but ...
openaire   +2 more sources

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