Abstract
This experiment was conducted in EL Nesheeshiba, Goat Research Center, University of Gezira Wad Medani Sudan. The objective of the experiment was to investigate; the effect of feeding goats on Bt cotton seed cake on cheese chemical composition and sensory characteristics. The results revealed that, there was significant differences (P<0.01) between cheese produced from feeding on Bt and Non-Bt cotton seed cake. With exception of acidity protein and ash were significantly (P<0.01) higher in cheese produced from milk goats fed on Bt cotton seed cake. Fat and total solid were significantly higher Non- Bt cotton seed fed goats. While there was no significant difference in sensory characteristics (color, flavor, taste and texture) between the cheese produced from Bt and Non-Bt milk. It was concluded that, feeding on Bt cotton seed cake significantly affect cheese chemical composition but not the sensory characteristics.
Highlights
Sudan is one of the African countries that grow cotton as a cash crop
The results revealed that, there was significant differences (P
Period of feeding Bt cotton seed cake witnesses increased milk production, surplus milk resulted from increased production, usually used for white cheese making
Summary
Sudan is one of the African countries that grow cotton as a cash crop. Cotton production started in the country before the establishment of Sinnar dam in 1925. The crop contributed to different economical aspects, which included fiber export, oil production and produced seed cake after extraction of oil. Cottonseed meal is the by-product of oil extraction from cotton seeds. As a protein-rich feed, cottonseed meal is a common source of protein for ruminants, notably in cotton-producing areas such as India, China and the USA, where it is used as a partial substitute for soybean meal (O’Brien et al 2005). Period of feeding Bt cotton seed cake witnesses increased milk production, surplus milk resulted from increased production, usually used for white cheese making. Due to introduction of Bt-cotton (genetically modified cotton) since 2012, feeding seed cake and the animal products from feeding on it, began to be a matter of heated debate
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