feed rate
1A study of the rate and economy of gains of fattening steers with special reference to the influence of the amount and the character of feed consumed , Mumford Herbert Windsor (2011)
Книга представляет собой репринтное издание. Несмотря на то, что была проведена серьезная работа по… 412 руб2Aquaculture. Farming Aquatic Animals and Plants , Southgate Paul C.
The output from world aquaculture, a multi-billion dollar global industry, continues to rise at a very rapid rate and it is now acknowledged that it will take over from fisheries to become the main… 11394.92 руб электронная книга