نتایج جستجو برای: rabbit does
تعداد نتایج: 547107 فیلتر نتایج به سال:
This paper reviews the main factors affecting the reproductive performance of rabbit does. In the last 15 years the profitability of rabbit farms has increased mainly due to improvements in management and genetic selection but several problems related to animal welfare have also occurred. The replacement and the mortality rates of female per year are very high and the replaced does often show p...
background & objectives: alloxan & streptozotocin are used for inducing diabetic models. their combination has been used to reduce the individual chemical dosage and minimize the side effects. present investigation was aimed at studying pre-diabetic clinical changes induced by low doses of alloxan-stz cocktail in rabbits. methods: new zealand white rabbits, 1-1.5 kg body weight, were a...
In vivo fertility and embryos viability after cryopreservation is essential for the success of assisted reproductive techniques. The aim of this study was to investigate the impact of vitamin E (VE) +selenium (Se) or vitamin C (VC, as ascorbic acid) on in vivo fertility, embryos quality, freezing ability and culture of rabbit embryos. A total of 30 New Zealand White (NZW) rabbit does and 10 NZW...
Rabbit breeding is a special branch of animal husbandry characterized by high fertility and growth intensity. The main way intensification rabbit farming involves such selection measures that adapt populations keeping in industrial conditions, ensure reproductive properties female rabbits, preservation rabbits nests, rate, fattening meat qualities animals. research was conducted on the basis ex...
The laboratory rabbit was evaluated as a model for screening topical mosquito repellents, using data obtained in tests of deet (N,N-diethyl-3-methylbenzamide) against Aedes aegypti on humans and rabbits. Host-specific differences in the action of the test material were quantified by multiple regression analysis. The test material was less effective but more persistent in tests on rabbits, and r...
In this study, cottontail rabbit papillomavirus infection of domestic rabbits was used as an animal model to develop papillomavirus early gene-based vaccines. Groups of rabbits were intracutaneously vaccinated with single papillomavirus early genes E1, E2, E6, and E7 or with a combination of these four genes. Only a fraction of rabbits were protected from subsequent viral challenge when vaccina...
A cell-free protein-synthesizing system derived from rabbit reticulocytes is described which is dependent on the addition of transfer RNA for the translation of endogenous hemoglobin messenger RNA. Product analysis indicates that the system is active in the initiation of new chains. When hemoglobin is synthesized in the presence of a limiting amount of tRNA, there is a 50% decrease in (Y chain ...
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