Relationship of milk yield and quality to preweaning gain of calves from Angus, Brahman and reciprocal-cross cows on different forage systems

2002 ◽  
Vol 80 (10) ◽  
pp. 2522 ◽  
Author(s):  
M. A. Brown ◽  
A. H. Brown
Keyword(s):  
Milk Yield ◽  
Reciprocal Cross ◽  
Yield And Quality ◽  
Relationship Of

Relationship of stage development of cotton bolls with yield and quality in island cotton

2019 ◽  
Vol 46 (2) ◽  
pp. 300-306
Author(s):  
Xiu-Feng HAN ◽  
Wei-Feng GUO ◽  
Shou-Lin HU ◽  
Xin-Chuan CAO ◽  
Liang-Rong HE
Keyword(s):  
Yield And Quality ◽  
Stage Development ◽  
Relationship Of ◽  
Cotton Bolls

scholarly journals Polymorphisms in the ghrelin gene and their associations with milk yield and quality in water buffaloes

2013 ◽  
Vol 96 (5) ◽  
pp. 3326-3331 ◽  
Author(s):  
F.M.M. Gil ◽  
G.M.F. de Camargo ◽  
F.R. Pablos de Souza ◽  
D.F. Cardoso ◽  
P.D.S. Fonseca ◽  
...  
Keyword(s):  
Milk Yield ◽  
Water Buffaloes ◽  
Yield And Quality ◽  
Ghrelin Gene

scholarly journals Analysis of lactating cows on commercial Austrian dairy farms: the influence of genotype and body weight on efficiency parameters

2019 ◽  
Vol 62 (2) ◽  
pp. 491-500 ◽  
Author(s):  
Maria Ledinek ◽  
Leonhard Gruber ◽  
Franz Steininger ◽  
Birgit Fuerst-Waltl ◽  
Karl Zottl ◽  
...  
Keyword(s):  
Energy Efficiency ◽  
Body Weight ◽  
Dairy Cows ◽  
Milk Yield ◽  
Body Condition Score ◽  
Weight Class ◽  
Dual Purpose ◽  
Weight Range ◽  
Project Data ◽  
Relationship Of

Abstract. The aim of this study was twofold: first, to evaluate the influence of body weight on the efficiency of dairy cows, and second, to analyze the current state of dairy cattle populations as part of the Austrian Cattle Breeding Association's Efficient Cow project. Data of Fleckvieh (FV, dual-purpose Simmental), Fleckvieh×Red Holstein (FV×RH), Holstein (HF) and Brown Swiss (BS) dairy cows (161 farms, 6098 cows) were collected at each performance recording during the year 2014. In addition to routinely recorded data (e.g., milk yield, fertility), body weight, body measurements, body condition score (BCS) and individual feed information were also collected. The following efficiency traits were considered: body weight efficiency as the ratio of energy-corrected milk (ECM) to metabolic body weight, feed efficiency (kilogram ECM per kilogram dry-matter intake) and energy efficiency expressed as the ratio of energy in milk to energy intake. The relationship of milk yield to body weight was shown to be nonlinear. Milk yield decreased in cows above the 750 kg body weight class for HF, BS and FV×RH with 68 % RH genes, but less dramatically and later for FV at 800 kg. This resulted in an optimum body weight for feed and energy efficiency. BS and HF had the highest efficiency in a narrower and lighter body weight range (550–700 kg) due to a stronger curvature of the parabolic curve. Contrary to this, the efficiency of FV did not change as much as it did in the dairy breeds with increasing body weight, meaning that FV had a similar feed and energy efficiency in a range of 500–750 kg. The breed differences disappeared when body weight ranged between 750 and 800 kg. The average body weight of the breeds studied (FV 722 kg, BS 649 and HF 662 kg) was in the optimum range. FV was located at the upper end of the decreasing segment. In conclusion, an optimum body weight range for efficiency does exist, due to the nonlinear relationship of milk yield and body weight. Specialized dairy breeds seem to respond more intensively to body weight range than dual-purpose breeds, due to the stronger curvature. Cows with medium weights within a population are the most efficient. Heavy cows (>750 kg) produce even less milk. A further increase in dairy cows' body weights should therefore be avoided.

scholarly journals Consequences of walking or transport by truck on milk yield and quality, as well as blood metabolites, in Holstein, Montbéliarde, and Valdostana dairy cows

2020 ◽  
Vol 103 (4) ◽  
pp. 3470-3478 ◽  
Author(s):  
M. Koczura ◽  
M. Bouchon ◽  
G. Turille ◽  
M. De Marchi ◽  
M. Kreuzer ◽  
...  
Keyword(s):  
Dairy Cows ◽  
Milk Yield ◽  
Blood Metabolites ◽  
Yield And Quality

scholarly journals Milk yield and quality of Original Brown cattle reared in Italian alpine region

2020 ◽  
Vol 19 (1) ◽  
pp. 1157-1169 ◽  
Author(s):  
Thomas Zanon ◽  
Angela Costa ◽  
Massimo De Marchi ◽  
Mauro Penasa ◽  
Sven Koenig ◽  
...  
Keyword(s):  
Milk Yield ◽  
Alpine Region ◽  
Yield And Quality ◽  
Brown Cattle

scholarly journals Genetic Parameters of Milk Coagulation Properties and Their Relationships with Milk Yield and Quality Traits in Italian Holstein Cows

2008 ◽  
Vol 91 (1) ◽  
pp. 371-376 ◽  
Author(s):  
M. Cassandro ◽  
A. Comin ◽  
M. Ojala ◽  
R. Dal Zotto ◽  
M. De Marchi ◽  
...  
Keyword(s):  
Milk Yield ◽  
Genetic Parameters ◽  
Holstein Cows ◽  
Quality Traits ◽  
Yield And Quality ◽  
Milk Coagulation
Sign in / Sign up

Export Citation Format

Share Document