00417nam a2200169Ia 4500003000400000005001700004008004100021020001400062040000700076041000800083082001500091245005600106260004000162300001400202365001300216650001800229OSt20230503114115.0210423s1992 xx 000 0 und d a750615117 cAL aeng a660.6 BIOT aBiotechnological innovation in animal productivity. aOxfordbButterworth Heinemannc1992 ax,209bPB b995cINR aBiotechnology