Results 81 to 90 of about 74,541 (274)
Yolk sac utilization in ostrich (Struthio camelus) chicks : research communication
Onderstepoort Journal of Veterinary Research, 2004 The mass of residual yolk sac expressed as a percentage of initial mass of the egg from which the chick hatched decreased sharply in the first 2 days post-hatching.
E.Z. Mushi, M.G. Binta, R.G. Chabo
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Management of germ cell tumors in children: Approaches to cure [PDF]
, 2002 The introduction of cisplatinum chemotherapy and current advances in the surgical treatment have resulted in a dramatic improvement of the prognosis of children with malignant germ cell tumors (GCT).
Calaminus, G. +4 more
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Journal of Applied Toxicology, EarlyView.ABSTRACT Aristolochia species have long been used in traditional medicine for their presumed anti‐inflammatory, analgesic and antimicrobial properties. However, extensive toxicological and epidemiological evidence now demonstrates that these plants contain aristolochic acids (AAs) I and II, highly potent nephrotoxic, genotoxic, and carcinogenic ...
Victor Ventura de Souza +2 more
wiley +1 more source
FACTORS CONTRIBUTING TO YOLK RETENTION IN POULTRY: A REVIEW [PDF]
Pakistan Veterinary Journal, 2004 Yolk retention and yolk sac infection is considered as an important cause of death in chicken as well as in guinea fowl, duck, turkey, quail and goose.
K. A. Khan, S. A. Khan, A. Aslam, M. Rabbani1 and M.Y. Tipu
doaj
Egg quality, fatty acids profile, and hatchability of broiler breeders fed diets supplemented with Conjugated Linoleic Acid (CLA) [PDF]
Ciência e AgrotecnologiaConjugated linoleic acid (CLA) refers to a group of positional and geometric isomers of linoleic acid. Hens fed a diet supplemented with CLA exhibit increased levels of saturated fatty acids, which may influence the quality characteristics of eggs and ...
Poliana Carneiro Martins +5 more
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Description of Early Larvae of Four Northern California Species of Rockfishes (Scorpaenidae: Sebastes) from Rearing Studies [PDF]
, 1993 About 72 species of Sebastes (Family Scorpaenidae) are found along the eastern Pacific coast of North America, some of which are heavily exploited by both commercial and sport fisheries.
Moreno, Guillermo
core
Alternative Developmental Toxicity Screening Methods Using Chick Embryo‐Based Models
Journal of Applied Toxicology, EarlyView.ABSTRACT Nonclinical developmental toxicity studies are used to investigate the potential toxicities of drugs and chemical candidates on normal embryonic and fetal development during pregnancy, generally using mammalian laboratory animals such as rats and rabbits.
Jeong Hwan Kim +4 more
wiley +1 more source
The chicken embryo and its micro environment during egg storage and early incubation [PDF]
, 2008 When egg storage periods are prolonged (>7 days), hatchability and chick quality declines. The reason for this decline has been investigated, but is still not completely understood.
Brand, H., van den +3 more
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Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, EarlyView.ABSTRACT Steroid‐mediated maternal effects are well‐studied as a source of phenotypic variation. In bird eggs, the yolk contains various steroids that can influence embryonic development. However, one complicating factor in understanding how yolk steroids affect development is that the embryo metabolizes yolk steroids to regulate exposure.
Ryan T. Paitz +4 more
wiley +1 more source
Mixed Germ Cell Tumor with Extensive Yolk Sac Tumor Elements in the Frontal Lobe of an Adult
Case Reports in Surgery, 2012 Intracranial nongerminomatous germ cell tumors (NGGCTs) in unusual locations are extremely rare. Here, we report a case of a yolk sac tumor in the frontal lobe in a middle-aged patient.
Toshihide Takahashi +6 more
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