@article {DanGroGel2013,
	title = {{Metabolic status and oestrous cycle in dairy cows}},
	journal = {International Journal of Livestock Production},
	volume = {4},
	number = {9},
	year = {2013},
	month = {11},
	pages = {135--147},
	keywords = {Bovine, dairy cows, metabolic analysis, oestrous cycle, remedy},
	doi = {10.5897/IJLP12.006},
	author = {K Danowski and JJ Gross and K Gellrich and T Petri and HA Van Dorland and RM Bruckmaier and HD Reichenbach and R Zimmer and HHD Meyer and FJ Schwarz and H Kliem}
}