Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Washington Bell"'
Publikováno v:
Agrociencia, Vol 24, Iss 2, Pp 1-7 (2020)
Faecal egg count (FEC) is used in sheep to decide when to drench. It is also used in genetic evaluations, in which case FEC should be recorded when the parasite burden is large enough so that variation among animals can be expressed. Another requisit
Externí odkaz:
https://doaj.org/article/541577a8d63a41e3a5fde932d4ffa3a4
Publikováno v:
Ciência Rural. 53
Sheep production is expanding among small farmers in Southern Uruguay. Currently, Corriedale and Milchschaf are being used, but not Highlander. However, there is lack of experimental information regarding the relative performance of these breeds. We
Publikováno v:
Journal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und ZuchtungsbiologieREFERENCES. 138(6)
Gastrointestinal nematodes (GIN) constitute a problem in many sheep production systems, including those in Uruguay, causing reduced productivity and increased expenses. The main strategy to control GIN has consisted of the use of anthelmintics. Howev
Publikováno v:
Livestock Science. 182:101-107
The aim of this study was to characterize the genetic (crossbreeding and additive genetic) and environmental factors affecting reproduction of sows on an outdoor production system. Data from the Experimental Swine Unit of Facultad de Agronomia, Progr
Autor:
James Washington Bell
Publikováno v:
Journal of Political Economy. 45:113-116
Autor:
James Washington Bell
Publikováno v:
Journal of Political Economy. 41:419-421