The effect of light regime on circadian dynamics of biochemical indices of blood, serum and urine of heifers

actividad solar alimentation alojamiento de animales anatomia anatomia animal anatomie anatomie animale anatomy animal animal anatomy animal domestique animal housing animal pour cuirs et peaux animales animales de carne animals artiodactyla artiodactyle biochemistry biochimie biological rhythms blood composition body fluids bovidae bovide bovin bovine bovines buildings cattle chemistry chimie composition composition du sang construcciones darkness daylight desechos domestic animals energia energie energy energy sources excrements excreta feeding ganado ganado bovino heifers housing light liquid wastes liquide biologique livestock logement logement des animaux luz mammals meat animals natural resources novilla nutrition obscuridad orina physical states radiation recursos recursos naturales resources ressource ressource naturelle rumiante ruminant ruminants rythme biologique solar activity temps tiempo time timing urine vertebrados vertebrates vertebre vivienda wastes zootechnie zootechny zootecnia