Studies on the biological and economic benefit obtainable by using crossbreeding and artificial insemination in pig production = Studier over biologiskt och ekonomiskt utbyte vid utnyttjande au korsning och artificiell insemination i svinproduktionen

Thesis.

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Bibliographic Details
Main Authors: Ral, Gunilla 18961, Rönningen, Knut dir. 18962
Format: manuscripttext biblioteca
Language:eng
Published: Uppsala : El Autor, 1978
Subjects:PORCINOS, CRUZAMIENTO, INSEMINACION ARTIFICIAL, I.A.,
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