00513nam a2200193Ia 4500008004100000020001500041082001900056100002100075245004100096250000600137260002600143300000800169650004100177650003400218653001700252653001400269700001800283700001800301170901s1985    xx            000 0 und d  a0003830322  a636.2142bE79F  aEsslemont, R. J. 0aFertility Management in Dairy Cattle  a1  aLondonbCollinsc1985  a143  aAgriculture and related technologies  aTechnology (Applied sciences)  aDairy cattle  aFertility  aBailie, J. H.  aCooper, M. J.