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SUBJECT: suisse; technique de vente; brevetti; usa; mutanti

POSTED TO: Rivista di Frutticoltura e di Ortofloricoltura (Italy) [0016-2310]

Different energy systems for rationing feed for milking cows are currently in use worldwide. The structure of the different energy systems is based to varying extents on the feed energy partitioning within the animal. In the United States of America, the total digestible nutrients (TDN), digestible energy (DE), metabolisable energy (ME) and the net energy for lactation (NEl) systems are all be ...

SUBJECT: suisse; usa; germany; valor energético; milk yield

POSTED TO: Thai Journal of Agricultural Science (Thailand)

SUBJECT: ressource forestiere; canada; amenagement forestier; russian federation; propriete publique

Diagrs., tables. Includes bibliographies. Summaries (En, Fr). Some papers in French

SUBJECT: resistance a la temperature; safety; wood; ingenieria; ingenierie

SUBJECT: agricultural economics; canada; agriculture biologique; politique agricole; case studies

Journal Article

Journal article

From:
Library of Antonin Svehla

This review summarises data from the literature and experimental tests on weed resistance to herbicides. Factors conditioning the origin of resistance are described. The origin of resistant weeds to nine active ingredients with a different mode of action is presented chronologically, and the distribution of resistant weeds around the world outlined. The fundamental modes of action, i.e. reduct ...

SUBJECT: pesticide resistance; pendimethalin; apera spica venti; mutants; amidas

POSTED TO: Plant Protection Science - UZPI (Czech Republic) [1212-2580]

Journal Article

Journal article

From:
Library of Antonin Svehla

The relation between ruminant nutrition and BSE is discussed and an "ammonia-magnesium" theory is proposed. According to this theory the abnormal behaviour and CNS malfunction is a consequence of hyperammonemia and hypomagnesemia.

SUBJECT: consommation alimentaire; animal nutrition; slovak republic; symptome; poland

POSTED TO: Vyzkum v Chovu Skotu (Czech Republic) [0139-7265]