Results 111 to 120 of about 164,502 (281)
Environmental Toxicology, EarlyView.ABSTRACT Metal contamination in aquatic ecosystems poses substantial risks to freshwater organisms, with mixture effects often deviating from predictions based on single‐metal toxicity. Understanding how age‐specific sensitivities and multiple exposure pathways influence mixture effects is critical for accurate risk assessment.
Sanah Majid +3 more
wiley +1 more source
Poultry ScienceThis study aimed to evaluate effects of day-old chick navel quality on the absorption of the residual yolk sac, visceral development, macroscopic organ alterations, yolk sac bacterial presence and performance of broilers up to 14 d of age. A total of 372
Mariana Cristina Vieira +10 more
doaj +1 more source
Yolk Sac Tumor of the Ovary in Mosaic 46XX Turner Syndrome [PDF]
Alfonsus Zeus Suryawan, Dian Tjahyadi, Martin Hermawan, Doni Aprialdi Department of Obstetrics and Gynecology; Universitas Padjadjaran, Bandung, IndonesiaCorrespondence: Alfonsus Zeus Suryawan, Department of Obstetrics and Gynecology, Universitas ...
Tjahyadi D +3 more
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Evaluation of factors affecting greater prairie‐chicken nest and brood survival
Wildlife Biology, EarlyView.Greater prairie‐chickens Tympanuchus cupido pinnatus in the Flint Hills ecoregion select recently burned grasslands for brooding and nest in areas that have been unburned for 1–3 years, suggesting the need for a mosaic of burn patches. However, it is unknown how patch area, configuration, and proximity to edges within such mosaics affect reproductive ...
Kiera L. Kauffman +7 more
wiley +1 more source
A STUDY ON THE PATHOGENESIS OF YOLK RETENTION IN BROILER CHICKS
Pakistan Veterinary Journal, 2002 The present project was designed to identify the factors responsible for yolk retention in broiler chicks. Four different experiments were conducted to find out the effect of four factors (experimental yolk sac infection with Echerichia coli, off-feed ...
Kashif Aziz Khan. Shakeel Akhtar Khan, Shahnaz Hamid2. Asim Aslam and Masood
doaj
Functional Ecology, EarlyView.Read the free Plain Language Summary for this article on the Journal blog. Abstract The biogeography of ectotherms is greatly influenced by their thermal tolerance, which is expected to be tightly coupled to aerobic performance. However, preferred temperatures of ectotherms often deviate substantially from aerobic performance optima. This suggests that
Analisa Lazaro‐Côté +6 more
wiley +1 more source
Yolk sac infection in a broiler flock: a case report
, 2002 A case of yolk sac infection is reported among 500 broiler chicks bought for National Root Crop Research Institute, Umudike, Poultry Project. From the day of receipt the birds were depressed, dull with distended abdomen.
Amaechi, N., N. Amaechi
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Indications and Efficacy of Progestogen‐Monotherapy as Menopause Hormone Therapy: A Narrative Review
BJOG: An International Journal of Obstetrics &Gynaecology, EarlyView.ABSTRACT Menopausal hormone therapy (MHT) remains the most effective treatment for vasomotor symptoms (VMS) and other manifestations of menopause; however, its use is limited in women with contraindications to oestrogen. Progestogen monotherapy, though historically underutilized, represents a viable alternative in this population. This narrative review
Chloe Thomas +3 more
wiley +1 more source
Primary yolk sac tumor in the thoracic wall: Case report
, 2009 Malignant extragonadal germ cell tumors primary to the thoracic wall are quite uncommon lesions, but pure yolk sac tumor is even more exceptional. This is believed to be the first reported case of yolk sac tumor of the chest wall.
Özçelik, Cemal +3 more
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Yolk sac morphology in cephalopod embryos
, 2002 The basic pattern of cephalopod embryogenesis is uniform, whereas the specific ovum sizes vary from less than 1 mm to about 30 mm. The organ-forming part (called the "embryo cap", or the "embryo proper") of the epibolic gastrula covers a larger (in small
Boletzky, Sigurd von
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