Body condition score and live-weight effects on milk production in Irish Holstein-Friesian dairy cows [PDF]
, 2007 peer-reviewedThe objective of the present study was to quantify the relationships among body condition score (BCS; scale 1 to 5), live weight (WT) and milk production in Irish Holstein-Friesian spring calving dairy cows.
Buckley, Frank +2 more
core +1 more source
Animal, 2014 The aim of this study was to investigate the effect of including milk yield data in the international genetic evaluation of female fertility traits to reduce or eliminate a possible bias because of across-country selection for milk yield.
M.A. Nilforooshan +4 more
doaj +1 more source
Comparison of 2 types of milk flow meters for detecting bimodality in dairy cows
Journal of Dairy Science, 2023 : The primary objective of this observational study was to investigate whether incremental milk flow rates (in the 0–15 s, 15–30 s, 30–60 s, and 60–120 s intervals) from electronic on-farm milk flow meters can be used to detect bimodal milk flow curves ...
M. Wieland, Anja Sipka
doaj +1 more source
Genome-wide associations for milk production and somatic cell score in Holstein-Friesian cattle in Ireland [PDF]
, 2012 peer-reviewedBackground: Contemporary dairy breeding goals have broadened to include, along with milk production traits, a number of non-production-related traits in an effort to improve the overall functionality of the dairy cow.
David J Lynn +20 more
core +1 more source
ACCURACY OF MILK YIELD ESTIMATION IN DAIRY CATTLE FROM MONTHLY RECORD BY REGRESSION METHOD [PDF]
, 2009 This experiment was conducted to estimate the actual milk yield and to compare the estimation accuracy of cumulative monthly record to actual milk yield by regression method.
Johari, S +3 more
core +1 more source
COMPARISON OF DIFFERENT PROCEDURES FOR LACTATION LENGTH ADJUSTMENT OF MILK YIELD IN SAHIWAL CATTLE [PDF]
Pakistan Veterinary Journal, 2004 The purpose of the present study was to compare three procedures for lactation length adjustment of milk yield. For this purpose, weekly milk yield records (n = 2039) of Sahiwal cows were used. Multiplicative adjustments using simple linear regression of
I. R. Bajwa, M. S. Khan, M. A. Khan1 and K. Z. Gondal2
doaj
Modelling temperature effects on milk production : a study on Holstein cows at a Japanese farm [PDF]
, 2014 Milk yield and its composition vary according to individual cows as well as to a variety of different environment conditions, such as temperature.
Machiko Yano +5 more
core +1 more source
PREDICTION OF LACTATION YIELD FROM LAST-RECORD DAY AND AVERAGE DAILY YIELD IN NILI-RAVI BUFFALOES [PDF]
Pakistan Veterinary Journal, 2005 Different adjustment procedures were compared to determine if prediction of lactation milk yield using last record day information could be improved by using information on the average daily milk yield of the recorded lactation. Weekly milk yield records
M. S. Khan, A. U. Hyder, I. R. Bajwa, M. S. Rehman and F. Hassan
doaj
Phenotypic effects of calving ease on the subsequent fertility and milk production of dam and calf in UK Holstein-Friesian heifers [PDF]
, 2011 The effect of calving ease on the fertility and production performance of both dam and calf was studied in approximately 50,000 and 10,000 UK Holstein-Friesian heifers and heifer calves, respectively. The first objective of this study was to estimate the
Coffey, M.P. +14 more
core +1 more source
Significance of breeding value indicators for prediction of milk yield [PDF]
Технологія виробництва і переробки продуктів тваринництва, 2022 A comparative assessment of the significance of various indicators of the breeding value of breeding bulls for predicting milk yield in the highly productive herd of the farm economy "Alfa" was carried out.
Shablia V. +4 more
doaj +1 more source