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THE IMPORTANCE OF MONITORING CHANGES IN MILK FAT TO MILK PROTEIN RATIO IN HOLSTEIN COWS DURING LACTATION
milk fat milk fat to protein ratio quality of rennet gel
2010/12/1
Milk samples of 24 pure-bred Holstein cows were taken during lactation and changes in milk fat to milk protein ratio and quality of rennet gel were evaluated. The cows were either fi rst (n=12) or sec...
FINE MAPPING OF MILK YIELD QTL ON CHROMOSOMES 6 AND 20 IN GERMAN HOLSTEIN POPULATION USING MICROSATELLITE MARKERS
production traits microsatellite markers association analysis
2010/12/1
In German Holstein population a very signifi cant QTL with effects on milk yield trait (MY) was mapped on chromosome 6 and 20 to the interval BM143–ILSTS97 and AGLA29–ILSTS72, respectively. Where, thr...
Introduction of automatic milking system in Finland effect on milk quality
automatic milking milk quality somatic cell count total bacteria count
2010/8/11
When an automatic milking system (AMS) is introduced on a farm the milking of cows and related work is changed in many ways compared to farms with traditional milking systems. The objective of this pa...
Correlation of Minerals and Enzymes in Blood Serum and Milk of Healthy and Mastitic Cows
Minerals enzymes mastitic milk blood serum correlation dairy cows Sudan
2010/11/8
Levels of minerals (Ca, Na, K, Mg, P, Fe, Zn and Cu) and enzymes (LDH, GOT and ALP) from 45
cows; 15 cows from healthy, 15 with subclinical mastitis and 15 from cows with clinical mastitis were estim...
RELATIONSHIPS BETWEEN BODY MEASUREMENT OF DAIRY CALVES AT SIX MONTH OF AGES AND AGE AT FIRST CALVING AND MILK PRODUCTION
cattle milk production body measurement
2010/11/30
In this research, the relationships of between body measurements such as heart girth, body length, height at withers and chest depth at six month of ages of calves and their age at first calving and t...
MOULDS ASSOCIATED WITH MILK DEPENDING ON MACROCLIMATE AND GEOGRAPHICAL LOCATION
moulds raw milk contamination ecology
2010/3/23
Moulds can be found in milk as contaminants from the environment. The specific qualities of
climate, vegetation and land are the important factors affecting the quality of moulds and determinators of...
Definition of subgroups for fixed regression in the test-day animal model for milk production ofHolsteincattle in theCzech Republic
test-day model with random regression fixed regression subgroups lactation curves milk yield dairy cattle
2015/6/1
The investigation was based on roughly 3.9, 2.7 and 1.7 million test-day records from first, second and third lactation, respectively, sampled from 596 200 Czech Holstein cows between the years 1991 a...
Comparison of fatty acid composition in milk fat of Czech Pied cattle andHolsteincattle
cows breeds Czech Pied cattle Holstein cattle milk fat fatty acids
2015/6/1
In May 2003 differences in milk fat composition in two main dairy breeds in the Czech Republic, Czech Pied cattle and Holstein cattle, were studied in two uniform groups, each containing eight cows. T...
Fatty acid content in milk of dairy cows on a diet with high fat content derived from rapeseed
nutritive value oleic acid polyunsaturated fatty acids
2015/6/1
Two groups of dairy cows, Czech Red-pied × Ayrshire × Red Holstein crossbreds, received a diet with either production mixture with rapeseed, rapeseed cakes and rapeseed oil (Energol; E-group; final fe...
Concentrations of selected toxic elements (cadmium, lead, mercury and arsenic) in ewe milk in dependence on lactation stage
ewe milk cadmium lead mercury arsenic lactation stage
2015/6/1
Biological investigations on ewes of Merinolandschaf breed (n = 10) were conducted by the 60th lactation day during the summer on pasture. Ewe milk sampling was carried out on the 2nd; 10th; 30th and ...
Machine milking ability and milk composition of some imported dairy goat breeds and some crosses in Greece
milking ability machine milking milk partitioning goats crossbreds
2015/6/1
A random sample of 40 goats was used to study the partitioning, yield and composition of milk: 8 of Saanen breed (S), 8 of Damascus breed (D), 8 crossbreds Saanen × Local Greek goat (S × L), 8 backcro...
Effect of k-casein and ß-lactoglobulin genotypes on the milk rennet coagulation properties
milk coagulation properties milk proteins k-casein ß -lactoglobulin genetic variants
2010/1/13
Purpose of this study was to find connections between milk renneting properties of dairy breeds in Estonia and the genetic variants of k-casein and ß-lactoglobulin. Milk (n = 2161) and blood (n ...
Milk Yield and Immune Response of Periparturient and Early Lactation Friesian Cows Fed Diets Supplemented with a High Level of Amino-acid Chelated Chromium
Chromium Dairy Cows Immune Response Milk Yield
2016/4/19
The trial was carried out on twenty-one Friesian cows at the end of eight months gestation, nine multiparous and twelve primiparous; allocated into three groups (1 control, 2 and 3 experimental). The ...
Effect of Dietary Feeding Regimens on Urea and Protein Concentration of Milk in Murrah Buffaloes
Metabolizable Energy Dry Matter Net Energy for Lactation Plasma Urea Milk Urea
2016/4/19
The present study was planned to examine the effect of different feeding regimens on milk urea concentration and milk protein concentration. The objectives are to describe the diurnal variations of mi...
Influence of Berseem and Lucerne Silages on Feed Intake, Nutrient Digestibility and Milk Yield in Lactating Nili Buffaloes
Silage Berseem Lucerne Intake Digestibility Milk Yield
2016/4/19
This study was conducted to evaluate feeding value of berseem and lucerne silage as a replacement for conventional fodder (berseem fodder) in lactating Nili buffaloes. Fifteen early lactating multi-pa...