Prediction of body weight based on body measurements in crossbred cattle j. Gilbert rp1 bailey dr shannon nh.
Pdf The Accuracy Of Prediction Of Body Weight From Body
Body measurement of cattle. Body weight measuring methods 1 body weight measurement ①weighing using a cattle weight bridge if a large scale that can weigh cattle is available that is the most accurate method of weighing cattle. ②estimation by chest girth measurement. By using the advantages of 3d depth image researchers combined a thermal imaging camera and proposed a system for measuring the body shape and temperature of black cattle to complete the periodic quality assessment during the growth of cattle 16. The recommended point for linear height measurement is a point directly over the hips from a level surface. Rank6 1department of animal genetics and breeding college of veterinary science animal husbandry 2arda amul dairy anand india. In the past 30 yr however reported estimates of body weight and skeletal dimensions using various body measurements have been limited to mixed or dual purpose cattle 16 20 24.
Ideal range 5 or 5 inches. Body core temperature measurement in cattle. Actual neck length minus ½ the body length. Two novel snps c1407ag and c1425cg were identified in this study which were significantly associated with the body measurement of two chinese cattle breeds qinchuan and nanyang cattle. How to evaluate bodyframe type. Many of the relationships currently being used to estimate body weight may be obsolete be cause of change in breed genotypes 8 21.
These body type scores were developed at the university of wisconsin in the usa and are applicable to all breeds of cattle. Neck should be equal to half the body or half of 23 top line. The neck should be 13 the total length. The results suggest that c1407ag and c1425cg can be used in cattle growth related traits marker assisted selection breeding. A well balanced cow will have a neck half the length of her body. In cattle the common locations of taking these measurements are the rectum ear canal rumen and vagina.
They are often using to estimate animals maturity and other characteristics i. The internal temperature of the body is similar to the temperature of the main organs such as the brain heart and viscera sellier et al 2014. Patel ashwini1 patel sanjay2 gj. 3d information of the cattle body to quantify the evaluation of cattle body condition 15. 1research station agriculture canada lethbridge alberta. However if such equipment is not available the following estimation methods can be used.
Body measurements are important characteristics in dairy cattle as well as in beef cattle bene et al 2007. If the neck is too long the cow will be very dairy and high maintenance. Linear body measurements of cattle before and after 20 years of selection for postweaning gain when fed two different diets. Body type frame scores are made on a 111 basis.
Gallery of Body Measurement Of Cattle
