نتایج جستجو برای: old chick
تعداد نتایج: 374590 فیلتر نتایج به سال:
Broiler farming is a complex system involving various elements from upstream to downstream. This study aimed determine the multiple factors and their relationship in broiler chicken with partnership pattern. The research was conducted using survey method. samples were determined through census data of 76 open house, semi closed house farmers who are members patterns Kebumen district. Data analy...
Acetyl-CoA carboxylase catalyzes the first committed step in the synthesis of fatty acids. Because fatty acids are required during myelination in the developing brain, it was proposed that the level of acetyl-CoA carboxylase may be highest in embryonic brain. The presence of acetyl-CoA carboxylase activity was detected in chick embryo brain. Its activity varied with age, showing a peak in the 1...
Two peaks of embryo mortality have been identified during incubation of chicken eggs (the first and the final phases of incubation), and both are linked to egg turning. Turning in the first week enables proper formation of extra-embryonic membrane and in the final week avoids embryo malpositioning. The hatchability of the eggs, however, may depend on physiological parameters (e.g., hormone leve...
This study aimed to determine the effect of dietary processed garlic in feed on performance, intestinal weight, length, and morphology villi broilers. A total 200 Day-Old-Chick (DOC) Cobb strains (unsexed) with an average body weight 42 ± 3 g were randomly allocated four experimental groups five replications, each containing ten chicks per replication. The treatments T0 (basal diet as control),...
This study was conducted to evaluate the effect of scent leaf meal on growth performance, blood and serum parameters growing cockerels. A total ninety-six (96) Isa-brown day-old cockerel chicks were used in a completely randomized design experiment. The birds randomly allotted four dietary treatments consisting basal diets supplemented with (SLM) at rate 0% (control), 1%, 2% 3% representing T1,...
A messenger ribonucleoprotein (mRNP) particle containing the mRNA coding for the myosin heavy chain (MHC mRNA) has been isolated from the postpolysomal fraction of homogenates of 14-day-old chick embryonic muscles. The mRNP sediments in sucrose gradient as 120 S and has a characteristic buoyant density of 1.415 g/cm3, which corresponds to an RNA:protein ratio of 1:3.8. The RNA isolated from the...
PKC is a family of 12 serine/threonine isoenzymes that plays a pivotal role in signal transduction in a large number of biological processes. In the present work we have investigated the expression of PKC (alpha, delta, epsilon, zeta) in chick chondrocyte primary cultures at different differentiation times, i.e. at 48, 55, 62 and 69 days after cell collection from tibiae of 6-day old chick embr...
When 15-day-old developing chick embryos were administered hydrocortisone hemisuccinate sodium (HC; 0.25 mumol/egg), the content of glucose in the lens markedly increased from around 6 hr, and reached about 25-30-fold above the matched control at 24-48 hr. Thereafter, the glucose level declined and returned to the control level by 100 hr. The profile of lenticular glucose levels was similar to ...
It has recently been contended that pancreatic APUD cells are neural crest derivatives. In an experimental investigation, isotopic grafts of neural tube containing neural crest cells were transplanted from chick and quail embryos labelled with tritiated thymidine, and from unlabelled quail embryos, to host chick embryos at the same stage of development. Transplantations were performed at variou...
Quinolinate (QUIN), an endogenous dicarboxylic amino acid, structurally related to the putative retinal neurotransmitter aspartate, acts as a specific neurotoxin in the chick neural retina. Qualitative analysis of QUIN's neurotoxic effects reveals that sensitivity to the amino acid is first detected in the 9-day-old embryonic chick retina. Nuclei and cytoplasm of some cells in the inner region ...
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