Transactions 7
Transactions of the Estonian Academic Agricultural Society
7
Proceedings of the Estonian Academic Agricultural Society
April 8–9, 1998
Tartu 1998
Editorial Board: K. Annuk, A. Lember, J. Praks, A. Reintam, O. Saveli, H. Tikk, R. Viiralt
Contents
ANIMAL HUSBANDRY, VETERINARY, TECHNICS, OTHERS
- A. Aluvee, A. Kolk, L. Ploom, T. Püssa, A. Valdmann. Monitoring of residues in foods of animal origin ... 5
- K. Eilart, A. Põldvere. On utilization of the pigs of the Finnish Landrace breed in Estonia ... 9
- M. Heinloo. Optimal transport centre of a farm ... 13
- J. Hämmal, S. Kuusik, E. Mõttus. Fatty acid composition of quail eggs depending on linseed oil feeding ... 17
- A. Kaarma, E. Mägi. Dependence of post-treatment invasion on preparation used in pig manage and sheep intestinal strongylatoses ... 21
- H. Kaldmäe. The nutritive value of linseed cake and its usage for calves ... 25
- A. Karus, V. Karus. Superoxide dismutase isoenzyme spectra in the cattle and dog blood cells ... 29
- J. Kaubi. Formation of agricultural structure in Estonia and other countries ... 33
- T. Kender, M. Arulepp, I. Veermäe. Measurement of ammonia concentrations in the air of livestock building with the aid of ammonium selective electrochemical sensor ... 35
- H. Kiiman. On somatic cell count in milk ... 39
- A. Kiis, M. Hõbejärv. Determination of benzoic- and sorbic acid in non- and low-alcoholic beverages ... 41
- A. Kiis, E. Kiisman, K. Ilmoja, M. Reinik, A. Kangro. Determination of food additives in dietary beverages ... 43
- A. Kureoja, T. Kaart. Factors affecting the conception rate of cows ... 47
- O. Kärt, R. Leming. Dietary fibre in pig nutrition ... 49
- O. Kärt, I. Lavrentjeva. Investigation of nutrient composition in imported feed concentrates in correspond to their data declared by producer ... 53
- A. Lember. About metabolizable energy and protein norms depending on the condition score of sows ... 55
- M. Liiske, T. Luigla. Testing of the wood-chopper electric drive ... 59
- V. Meriloo, Ü. Kerner. Labour need of a grain crop farm ... 61
- E. Must. Quality and efficiency of the milk cooling tanks ... 63
- H. Möller, M. Asi, K. Soonets, K. Tamm, R. Vettik. Optimum yearly operation time in a grain growing farm ... 65
- H. Möller, K. Soonets, M. Asi, R. Vettik. Field works mean transport distance in an ellipse-shaped farm plot ... 69
- L. Nigul. Peas, soybean oil meal and turnip rape seeds as feed for swine ... 73
- E. Orgmets. The type traits and milk production of Estonian Red cows ... 77
- Ü. Pavel. Veterinary biology ... 81
- Ü. Pavel, A. Kolk. Some problems of veterinary ecology ... 85
- R. Pällin, T. Lepiku. About the balance of students’ food ... 87
- E. Pärna, I. Ap Dewi, O. Saveli, P. Piirsalu. Cattle breeding goals and production circumstances ... 91
- E. Rihma, O. Kärt, A. Ilus. Influence of supplementary dietary lipids on some physiological characteristics of the rumen in a spring transitional period ... 95
- O. Saveli. Fertility and milk productivity of cows ... 97
- O. Saveli, T. Kaart. The heritability of milk productivity and reproduction ... 101
- O. Saveli, S. Ottender. Correlations between the periods of reproduction cycle ... 103
- H. Tikk, V. Tikk, L. Lust. The suitability of some sources of calcium for feeding of highproductivity hens ... 105
- M. Vadi, K. Sirman. On in vivo and in vitro degradability of silages ... 107
- V. Veinla, M. Kuiv, P. Kaar. Experimental study of reversible step-scraper unit’s tractive resistance ... 109
- H. Viinalass, S. Värv. Standardisation of bovine blood typing reagents ... 113
- K. Vikat. The results of the tests on egg laying hen crosses between 1989…1997 ... 115