Download Meat Science: An Introductory Text by Paul D. Warriss PDF

By Paul D. Warriss

This is often an introductory textbook on meat technology that would be compatible for college students of animal, veterinary and meals technology. The publication covers issues in generating and consuming meat, the expansion and physique composition of animals, animal slaughter, the chemical composition and constitution of meat and different appropriate parts. it's going to additionally function a primer for these taking a postgraduate path in meat technology, and supply necessary historical past for pros in meals hygiene and meat inspection.

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They provide a common point of reference between producers of animals, and wholesalers and retailers of meat. Strictly, classification schemes should be differentiated from grading schemes. Grading schemes put different values on the carcasses placed in each of these uniform classes. The value is dependent on how useful the carcass is for a particular purpose and therefore how much someone will be willing to pay for it. The description of carcasses in classification schemes enables people to buy and sell them unseen.

A major effect is that due to selection for improved carcass muscularity. This is illustrated by the improvement in killing-out percentage seen with more modern, highly selected breeds of pigs. , 1996). In cattle the trend is for killing-out percentage to increase with better ‘conformation’. Thus, it is higher in beef breeds or beef crosses. It is also higher in bulls compared with steers. 4. Carcass conformation Conformation describes the shape of the carcass and is a reflection of the proportion of muscle to bone in it.

The composition of whole carcasses has been predicted either by dissection into fat, lean and bone, or by chemical analysis of lipid, protein, ash and water, of sample or ‘indicator’ joints. , 1998). A very thorough review of carcass evaluation techniques is that of Kempster et al. (1982b). A particular technique that has been used to assess the composition of both live animals and their carcasses is measuring the velocity of ultrasound through the body tissues. Ultrasound has a frequency above 20 kHz, the upper limit of human hearing.

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