000			01839nam a22002417a 4500
003			ZW-GwMSU
005			20241213063552.0
008			241213b |||||||| |||| 00| 0 eng d
022			_a00218596
040			_aMSU _bEnglish _cMSU _erda
050	0	0	_aS3 JOU
100	1		_aÖzkaya, Serkan _eauthor
245	1	4	_aThe prediction of live weight from body measurements on female Holstein calves by digital image analysis/ _ccreated by Serkan Özkaya
264	1		_aCambridge : _bCambridge University Press. _c2013.
336			_2rdacontent _atext _btxt
337			_2rdamedia _aunmediated _bn
338			_2rdacarrier _avolume _bnc
440			_aJournal of agricultural science _vVolume 151, number 4,
520	3		_aThe objective of the current study was to determine the accuracy of the prediction of live weight (LW) from body measurements (BMs) by using digital image analysis on female Holstein calves. The calves were measured with a measurement stick and digital image analysis. The following linear parameters were taken: body length (BL), wither height (WH), chest depth (CD), hip height (HH) and hip width (HW). LW and BMs were recorded at birth, at weaning and at 24 weeks of age. Regression coefficients, which included all BMs at birth, gave a low R2 value (66·7%), but the R2 value was found to be 87·6 and 86·0% at weaning and 24 weeks of age, respectively. A high correlation coefficient was found among LW and CD, HH and HW at weaning (0·90, 0·91 and 090, respectively) and at 24 weeks of age (0·89, 0·90 and 0·91, respectively). The results confirm that for female Holstein calves, digital image analysis is an effective measuring system for the prediction of LW from BMs.
650			_aBody measurements _vDigital image analysis _xLive weight
856			_uhttps://doi.org/10.1017/S002185961200086X
942			_2lcc _cJA
999			_c168847 _d168847