Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Small East African Zebu cattle"'
Publikováno v:
Tropical Animal Health and Production. 30:361-368
Reproductive organs from mature Small East African zebu (SEAZ) heifers and cows slaughtered at the Morogoro abattoir were collected twice a month and evaluated over a period of 12 months. Out of the 402 animals from which reproductive organs were tak
Autor:
T. H. Stobbs
Publikováno v:
Experimental Agriculture. 2:287-293
SummaryA breeding programme involving the progeny testing of small East African Zebu cattle for improved growth rates is described and an assessment made of environmental and genetic improvements which have occurred over a ten-year period. Evidence i