1 Introduction The MTNRlA(or MellA or MTI)and MTNRlB(or MellB or MT2)receptor subtypes are present in humans and other mammals,while an additional melatonin receptor subtype MTNR l C(or Mel I C)has been identifled in ...
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1 Introduction The MTNRlA(or MellA or MTI)and MTNRlB(or MellB or MT2)receptor subtypes are present in humans and other mammals,while an additional melatonin receptor subtype MTNR l C(or Mel I C)has been identifled in amphibians and *** research has shown that the three common melatonin receptors regulate physiological ***,whether or not any polymorphisms of the different melatonin receptor subtypes are associated with reproductive traits in chickens is not known.
1 INTRODUCTION Lighting is a powerful exogenous factor in control of many physiological and behavioral *** status is an important factor affecting broiler health(Kidd,2004;Brickett et al.,2007),and can indirectly affe...
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1 INTRODUCTION Lighting is a powerful exogenous factor in control of many physiological and behavioral *** status is an important factor affecting broiler health(Kidd,2004;Brickett et al.,2007),and can indirectly affect the *** this experiment was conducted to evaluate the effects of lighting regime and nutrient density on welfare of broiler chickens.
作者：
ZHANG HuiLI HuiKey Laboratory of Chicken Genetics and Breeding
Ministry of AgricultureKey Laboratory of Animal GeneticsBreeding and ReproductionEducation Department of Heilongjiang ProvinceCollege of Animal Science and TechnologyNortheast Agricultural University
1 Introduction Large amounts of fat deposition can not only decrease feed efficiency,but also associated with loss of reproductive efficiency in males and *** size is highly correlated with fertility,poor fertility of...
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1 Introduction Large amounts of fat deposition can not only decrease feed efficiency,but also associated with loss of reproductive efficiency in males and *** size is highly correlated with fertility,poor fertility often being associated with small testis,and therefore,was one of important economic traits that would be useful for evaluating the male fertility.
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