Állattenyésztés és Takarmányozás, 1991 (40. évfolyam, 1-6. szám)

1991 / 1. szám

CONTENTS In memóriám Prof. Dr. Czakó József................................................................................................... 1 Kovalcik К.-Czakó J.-Mrs. Kovalcik M.-Keszthelyi T.-Mrs. Sántha T.: Learning Ability and Memory in Cattle of Different Ages (in English).................................................................... 5 Muller, Christiane-U. Andreae: Behavioral and Physiological Stress Reactions in Cattle Kept in Various Housing Systems (in English) ................................................................................. 17 Rafai P.: Effect of Environmental Factors on the Humoral and Cell-Mediated Immunity of Growing Pigs................................................................................................................................. 19 Enyedi S.-Szuromi A.: Some of the Physiological Processes of the Mono Purpose Beef Cattle Population .................................................................................................................................... 27 Bozó S.-Sárdi J.-Kollár N.: Carcase Composition of Slaughter Cattle of Different Sex, Weight and Genotype................................................................................................................................. 35 Patkós I.: Management Technologies in Dairy Units........................................................................... 49 Keszthelyi Т.-Miss Mams K.: Examination of the Marching Order of Ewes . . . .................... 5 3 Нот P.: The Basic Principals of X-Ray Computerized Tomography, and the Special Require­ments of its Practical Application in Animal Selection Programs.......................................... 61 Ádám T.-Sárváry J.-Richter J.: The effect of microclimate on the pigs. 3. The effect of the microclimate on the fattening pigs............................................................................................ 69

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