@article {32455,
	title = {Estimation of heterotic components for lactation traits and reproductive performance in three crossbreeding trials of Holstein cattle with German Friesian raised under hot climatic conditions},
	journal = {Journal of Animal Breeding and Genetics},
	volume = {117},
	year = {2000},
	note = {n/a},
	pages = {129-142},
	publisher = {Hamburg: P. Parey, 1986-},
	abstract = {n/a},
	isbn = {0931-2668},
	author = {Khalil, MH and Afifi, EA and Salem, M.A. and Zahed, SM}
}
