Results 81 to 90 of about 31,099 (303)
Transgenic fish and aquaculture [PDF]
, 1995 Transgenic fish species can be routinely produced by transferring foreign DNA into developing embryos via microinjection or electroporation. This technology offers an excellent opportunity for modifying or improving the genetic traits of commercially ...
Chen, Thomas T.
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Ecdysteroid and juvenile hormone changes in Bombyx mori eggs, related to the initiation of diapause [PDF]
, 1983 We describe a method for the routine determination of changes in juvenile hormone levels in insect eggs. The hormones are first converted into their diol derivatives, then they are purified from other lipids and separated by high-performance liquid ...
Gharib, Bouchra +7 more
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Animal Research and One Health, EarlyView.Gastrointestinal nematode infections damage the gastrointestinal epithelial tissues of ruminants, affecting nutrient utilization and overall production performance. This review outlines host‐gastrointestinal nematode interactions and discusses integrated control strategies, including nutritional supplementation, grazing management, vaccines, and ...
Wenxun Chen +5 more
wiley +1 more source
Juvenile and Steroid Hormones in Drosophila melanogaster Longevity [PDF]
, 2019 This chapter reviews hormonal effects on aging in Drosophila melanogaster. The insect juvenile hormone (JH) is a sesquiterpenoid compound produced by the corpora allata (CA), a pair of endocrine glands with nervous connections to the brain.
Tu, Meng-Ping +2 more
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Thyroxine and triiodothyronine concentrations in juvenile Oncorhynchus mykiss when supplementing the diet with organomineral chelate complexes [PDF]
BIO Web of ConferencesThe paper presents data on the concentration of thyroxine and triiodothyronine in juvenile golden trout when enriching their diet with organomineral chelate complexes.
Makhnin I. A. +3 more
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Animal Research and One Health, EarlyView.Our paper systematically reviews the intestinal structure, function, and microbiota of ostriches, along with strategies for improving their gut health. We analyze how these factors collectively influence intestinal homeostasis and ostrich welfare, emphasizing probiotics as a promising intervention to enhance gut health, boost population well‐being, and
Zi‐Qun Zhang +6 more
wiley +1 more source
Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2012 Salmo trutta caspius is an important and economic fish in the Caspian Sea has several morphological and physiological changes during smoltification.
D. Mohammadrezaei email ; B. Majazi Amiri; M. Farhangi
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AnimalsThe Mediterranean tortoise Testudo hermanni inhabits different regions bordering the northwestern Mediterranean. This species is vulnerable, protected by legislation, and involved in various breeding and reintroduction programs.
Sergi Olvera-Maneu +5 more
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Regulatory Mechanisms of Cell Polyploidy in Insects
Frontiers in Cell and Developmental Biology, 2020 Polyploidy cells undergo the endocycle to generate DNA amplification without cell division and have important biological functions in growth, development, reproduction, immune response, nutrient support, and conferring resistance to DNA damage in animals.
Dani Ren +9 more
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Glass capillary column gas chromatographic method for simultaneous quantitative determination of insect juvenile hormones at the picogram level: A comparitive study of various halogenated derivatives [PDF]
, 1980 A gas chromatographic method has been developed for the simultaneous quantitative determination of the juvenile hormones I, II and III (JH-I, JH-II and JH-III) in insects. After extraction and partial purification the hormones are converted into their 10-
Wijkens, P. +4 more
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