Med. Weter. 32 (6), 321-384, 1976

ORIGINAL PAPERS AND REVIEWS

Problems of animal reproduction and artificial insemination in the light of the VIH-th International Congress in Poland Bielański W. [digitized] 321
The influence of pesticides on animals fertility Jaśkowski L. [digitized] 323
The influence of some factors on the incidence rate of ovarian cysts in cows . Romaniuk J. [digitized] 325
Transplantation of embryos in cattle Bielański A. [digitized] 329
Synchronization of oestrus in heifers at different environmental conditions by the use of prostaglandin F2 alpha Hoppe R., Jędruch J.,
Karczewski W.
[digitized] 333
Preliminary observations on the usefulness of Prolan S (Bayer production) in the synchronization of oestrus in gilts Kotowski K. [digitized] 335
Preliminary studies on the luteolytic factors in the semen of stallions Bielański W., Okólski A., Tischner M. [digitized] 337
Bacterial contaminations of frozen semen . Wierzbowski S., Szmyd D. [digitized] 339
Sexual behaviour of bulls and its influence on the semen quality under production conditions Jaczewski S., Piechaczek J. [digitized] 342
Chances and methods of an earlv diagnosis of pregnancy in pigs Pejsak Z. [digitized] 345
Alkaline phosphatase (AP) in serum of dogs with the diseases of the reproductive tract Balbierz H, Nowacki W., Senze A. [digitized] 348
Chromosomal translocation 1/29 in two young bulls of Polish red breed Sysa P. S. [digitized] 353
Trials of an establishement of the artificial insemination period in gilts after the application of Turisynchron and gonadotrophin .356 Łyczyński A.,
Namyślak W.
[digitized] 356
Some factors influencing the longevity of pregnancy in gilth of the „nadbużanska" race and their crossbreeds Lecyk K., Nozdryn-Płotnicki J. [digitized] 358
A case of intersexualism and dislocation of the testicles in two boar cubs Głogowski R., Sysa P. S. [digitized] 362
Variability of the C type cells of the thyroid gland in the cow in relation to month of gestation Szuperski T. [digitized] 364
Observations on the incidence of cryptorchism in Polish merino rams Kareta W. [digitized] 366
Curriculum of study and trends in investigations on animal reproduction at the University of Guelph, Ontario, Canada Bielański A. [digitized] 369