Transactions 3
Transactions of the Estonian Academic Agricultural Society
3
Proceedings of the Estonian Academic Agricultural Society April, 10…11, 1997
Tartu 1997
Editorial Board: A. Lember, R. Lillak, A. Reintam, O. Saveli, H. Tikk, R. Viiralt
Contents
ANIMAL HUSBANDRY
- K. Eilart, A. Põldvere. Lean meat and carcass quality of Estonian Landrace ... 6
- J. Hämmal, H. Tikk. Omega-3-fatty acids – essential component in human food and at feeding of poultry ... 10
- H. Kaldmäe, V. Karis, O. Kärt. Optimizing the silage making period on the basis of the protein and crude fibre content of gramineous crops ... 14
- V. Karus, A. Karus, T. Lepiku. Electrophoresis used in blood cell enzyme polymorphism study ... 18
- H. Kiiman, O. Saveli. Somatic cell count as a measure of udder health and its heritability ... 20
- A. Kureoja. Economic evaluation of breeding components of the Estonian Red Breed Cattle on the basis of milk yield ... 22
- J. Kurõkin, H. Gustafsson, H. Rodrigues-Martinez, B. Larsson. Transvaginal ultrasound guided puncture of follicles and oocytes aspiration in heifers by a modified device ... 24
- J. Kurõkin, H. Gustafsson, H. Rodrigues-Martinez, B. Larsson. Effect of transvaginal ultrasound guided puncture of follicles on cyclicity in heifers ... 28
- O. Kärt, Ü. Oll. Does the supplemental dietary fat increase ketosis and fattening of the liver in dairy cows ... 30
- O. Kärt, R. Pent. The content of milk urea in herds participating in milk recording ... 34
- A. Lember. Milk yield and its composition of Large White Sows ... 36
- K. Ling, L. Ploom. About the evaluation of selenium status of young cattle in Estonia ... 40
- M. Metsaalt. An influence of feeding level of dairy cows in dry period on the following lactation ... 42
- L. Nigul. An effect of different feeding technologies on the growth traits of weanlings ... 44
- A. Olkonen. Testing the activation of the lactoperoxidase system of raw milk ... 46
- A. Olkonen, M. Henno. An influence milk quality of the purchasing price ... 50
- Ü. Oll, I. Leontjeva. The crude protein content of some swine feeds accordingto the feedstuffs tables of several countries ... 54
- E. Orgmets. Relationships between body measurements and milk performance of Estonian Black-and-White Cows ... 58
- M. Piirsalu. Feeding allowances of geese recommended in Estonia ... 62
- O. Saveli, T. Kaart. Effect of calving season on the productivity of milk ... 64
- O. Saveli, S. Ottender. Heritability and correlations of milk production performance data ... 68
- O. Saveli, R. Pärtel. Gestation lenght of Estonian cattle breeds and its effect on the size of newborns ... 72
- O. Saveli, A. Tänavots. An effect of parity and an environment on the fertility of sow ... 74
- U. Tamm. Maximum feeding of red clover silage to dairy cows ... 76
- U. Tamm, R.-J. Sarand, H. Nõmmsalu, H. Meripõld. Quality of fodder galega silage and results of its feeding ... 80
- H. Tikk, M. Piirsalu. Feeding allowances of turkeys recommended in Estonia ... 84
- H. Tikk, V. Tikk, L. Lust. Comparision of different feeding standards and influence of the enzyme preparation MEK-CGAP-M on the productivity of the D-line hens of the cross Lohmann Brown ... 88
- J. Tölp, J. Roots, R. Põldaru. The formation process of optimum models of a feed ration for pigs ... 92
VETERINARY
- A. Kaarma, E. Mägi. Post-treatment reinvasion dynamics of some generally spread swine parasites ... 96
- A. Kiis, M. Hõbejärv, K. Ilmoja, A. Kangro, M. Reinik. Determination of preservatives in feedstuffs ... 100
- A. Kolk, M. Minajev. Microbiological screening of residues of antibacterial drugs in meat ... 104
- V. Poikalainen, J. Praks. The use of microwave thermometer for determination of cows’ body surface temperature ... 108
TECHNICS
- H. Metsa, V. Meriloo, Ü. Kerner. Agro-energetic evaluation of the production of a grain crop farm ... 112
- H. Möller, A. Eerits, K. Soonets. The influence of a farm area on machinery work ... 114
- H. Möller, R. Vettik, M. Asi. Labour costs of a pig fattening farm ... 118
OTHERS
- J. Kuum. Agricultural cooperation in Estonia ... 120
- Ü. Oll, T. Kangur. The earliest milk recording data in Estonia ... 122
- Ü. Oll, M. Pomerants. Professor Elmar Liik – the first lecturer and scientist of animal husbandry ... 124
- Ü. Oll, E. Rihma. References to the zootechnical sources in Baltic-German literature from the 17th century to the first half of the 19th century ... 126