scholarly journals Milk yield, milk composition and somatic cell count of dairy goats given n-3 unsaturated fatty acids diet supplement

2012 ◽  
Vol 62 (2-3) ◽  
pp. 281-287
Author(s):  
Vesna Gantner ◽  
D. Kompan
Keyword(s):  
Fatty Acids ◽  
Somatic Cell ◽  
Cell Count ◽  
Milk Yield ◽  
Somatic Cell Count ◽  
Unsaturated Fatty Acids ◽  
Milk Composition ◽  
Dairy Goats ◽  
Diet Supplement

Short-term effects of milking frequency on milk yield, milk composition, somatic cell count and milk protein profile in dairy goats

2014 ◽  
Vol 81 (3) ◽  
pp. 275-279 ◽  
Author(s):  
Alexandr Torres ◽  
Lorenzo-Enrique Hernández-Castellano ◽  
Antonio Morales-delaNuez ◽  
Davinia Sánchez-Macías ◽  
Isabel Moreno-Indias ◽  
...  
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Milk Yield ◽  
Somatic Cell Count ◽  
Milk Protein ◽  
Protein Profile ◽  
Milk Composition ◽  
Dairy Goats ◽  
Short Term ◽  
Milking Frequency

Goats in Canary Islands are milked once a day by tradition, but in most countries with high technology on farms, goats are milked twice a day, which is known to improve milk yield. Therefore it is important to know whether the increase of milking frequency can improve the production without impairing milk quality. The objective of this study was to investigate the short term effects of three milking frequencies on milk yield, milk composition, somatic cell count (SCC) and milk protein profile in dairy goats traditionally milked once a day. Twelve Majorera goats in early lactation (48±4 d in milk) were used. During a 5-week period, goats were milked once a day (X1) in weeks 1 and 5, twice a day (X2) in weeks 2 and 4, and three times a day (X3) in week 3. Milk recording and sampling were done on the last day of each experimental week. Milk yield increased by 26% from X1 to X2. No differences were obtained when goats were switched from X2 to X3, and from X3 to X2. The goats recovered the production level when they returned to X1. Different patterns of changes in the milk constituents due to the milking frequency effect were observed. Fat percentage increased when switched from X1 to X2, then decreased from X2 to X3, and from X3 to X2, whereas it did not show significant differences from X2 to X1. Milking frequency did not affect the protein and lactose percentages. SCC values were unaffected when goats were milked X1, X2 and X3, but then they increased slightly when milking frequency was returned to X2 and X1. Finally, quantitative analysis showed an increase in intensities of milk protein bands from X1 to X2, but the intensities of casein bands (αS1-CN, αS2-CN, β-CN, κ-CN) and major whey proteins (α-La, β-Lg) decreased from X2 to X3.

scholarly journals Effect of Marine Algae Supplementation on Somatic Cell Count, Prevalence of Udder Pathogens, and Fatty Acid Profile of Dairy Goats’ Milk

Animals ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 1097
Author(s):  
Ferenc Pajor ◽  
István Egerszegi ◽  
Ágnes Szűcs ◽  
Péter Póti ◽  
Ákos Bodnár
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Somatic Cell ◽  
Cell Count ◽  
Fatty Acid Profile ◽  
Somatic Cell Count ◽  
Marine Algae ◽  
Milk Composition ◽  
Control Group ◽  
Dairy Goats

The aim of this study was to evaluate the effect of the Schizochytrium limacinum marine algae on the milk composition and fatty acid profile, somatic cell count, and prevalence of pathogen bacteria in the raw milk of multiparous Alpine goats. Twenty-eight dairy goats were randomly allocated to two groups: control group (C)—fed with 1500 g alfalfa hay and 600 g concentrate; experimental group (MA)—received the same forages and concentrate supplemented with 10 g/head/day marine algae. The goats were housed indoors, while the experiment lasted five weeks, and the milk samples were taken every week. Marine algae feeding had no negative effect on milk composition. The marine algae inclusion significantly decreased the milk somatic cell count and the presence of udder pathogens in the MA group. Mean somatic cell count and presence of udder pathogens were 5.73 log cells/mL and 31%, respectively, in the C group, while these values were 5.34 log cells/mL and 10%, respectively, in the MA group. The marine algae supplementation significantly increased DHA and rumenic acid concentration in the milk of the MA group (0.32 and 0.99 g/100 g of fatty acids, respectively) compared to the C group (0.04 and 0.65 g/100 g of fatty acids, respectively). It can be concluded that a diet supplemented with marine algae significantly improves the udder health of goats and the concentrations of health-promoting fatty acids in milk.

scholarly journals Connection of somatic cell count and milk yield as well as composition in dairy ewes

2010 ◽  
Vol 53 (1) ◽  
pp. 95-100
Author(s):  
J. Olechnowicz ◽  
Z. Sobek ◽  
J. M. Jaśkowski ◽  
P. Antosik ◽  
D. Bukowska
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Milk Yield ◽  
Somatic Cell Count ◽  
Threshold Value ◽  
Milk Composition ◽  
Milk Samples ◽  
Dairy Ewes ◽  
Cell Counts ◽  
Daily Milk

Abstract. The aim of this study was to determine the effect of somatic cell count (SCC) on milk yield and composition using a threshold value of 250 ∙103 cells/ml in dairy ewes of line 05. A total of 1 512 milk samples from udder halves were collected throughout milking periods at monthly intervals. In the present study milk composition (from halves of the udder) and daily milk yield (from udders) was examined in terms of SCC in ewe milk in three groups: from both halves of the udder below 250 ∙103 cells/ml, from one halves of the udder below 250 ∙103 cells/ml and from second half udder above 250 ∙103 cells/ml and from both halves of the udder above 250 ∙103 cells/ml. Milk yield from udders, somatic cell count in milk samples from udder halves and milk composition depended on the level of SCC recorded for halves of the udder. Somatic cell counts in milk from one or both halves of udders exceeding 250 ∙103 cells/ ml resulted in a statistically significant (P<0.01) decrease in daily milk production of ewes, by approx. 15.89 and 30.22 %, respectively. The analysis of variance showed also a significant effect of parity and stage of lactation of ewes on somatic cell count (log SCC) and milk composition from udder halves below 250 ∙103 cells/ml.

scholarly journals The effects of somatic cell count on milk yield and milk composition in Holstein cows

2019 ◽  
Vol 89 (2) ◽  
pp. 143-154 ◽  
Author(s):  
Ertuğrul Kul ◽  
◽  
Aziz Şahin ◽  
Savaş Atasever ◽  
Emre Uğurlutepe ◽  
...  
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Milk Yield ◽  
Somatic Cell Count ◽  
Milk Composition ◽  
Holstein Cows

scholarly journals Losses in milk production and quality due to milk somatic cell count and heat stress of Holsteins cows in temperate climate

2015 ◽  
Vol 36 (5) ◽  
pp. 3455
Author(s):  
Agostinho Ludovico ◽  
Vinicius Buffon Maion ◽  
Dalton Evert Bronkhorst ◽  
Fabíola De Almeida Cristine Rego Grecco ◽  
Luiz Fernando Coelho da Cunha Filho ◽  
...  
Keyword(s):  
Heat Stress ◽  
Somatic Cell ◽  
Cell Count ◽  
Milk Yield ◽  
Somatic Cell Count ◽  
Descriptive Analysis ◽  
Milk Composition ◽  
Temperate Climate ◽  
Cattle Breeders ◽  
Daily Milk Yield

<p class="Pa7">The aims of present study were to evaluate the effects of milk somatic cell count (SCC) and heat stress on yield and milk composition of cows in a herd for commercial production in a temperate region during the period 2008-2012. Data from the monthly milk test-day records of 161±9 Holstein, totaling 9,650 milkings, were provided by the Association of Holstein Cattle Breeders of Parana State, and analyzed by descriptive analysis, correlation, analysis of variance, and regression analysis. The average daily milk yield was 31.78 kg/cow, which decreased to 29.31% when the somatic cell score (SCS) was 9, and to 11% when the Equivalent Temperature Index (ETI) was 32 or above. Lactose content decreased from SCS 0 until 9 and fat content decreased from SCS 1 until 9, totaling decrease 7.88 and 9.23%, respectively, when the SCS was 9. An opposite effect was observed for the protein content, which increased by 3.6% at SCS 8, when compared to SCS 0. Losses were observed in the daily total solids production from the SCS 0, totaling 30.64% at SCS 9.The increase in ETI to 32 or above reduced all milk constituents as much as 3.42%, except protein. These results, combined with the losses in milk yield at that ETI level, led to a decrease of up to 12.74% of milk solids. It is concluded that since losses in milk quality and yield resulting from SCC and ETI are significant, actions to prevent infection in the mammary gland and to provide a comfortable environment for dairy cattle are needed even in temperate regions.</p>

scholarly journals Differences between coagulase-negative Staphylococcus species in persistence and in effect on somatic cell count and milk yield in dairy goats

2012 ◽  
Vol 95 (9) ◽  
pp. 5075-5084 ◽  
Author(s):  
G. Koop ◽  
S. De Vliegher ◽  
A. De Visscher ◽  
K. Supré ◽  
F. Haesebrouck ◽  
...  
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Milk Yield ◽  
Somatic Cell Count ◽  
Coagulase Negative Staphylococcus ◽  
Dairy Goats

Losses in milk yield, fat and protein contents according to different levels of somatic cell count in dairy goats

2013 ◽  
Vol 113 (2-3) ◽  
pp. 421-431 ◽  
Author(s):  
O.G. Barrón-Bravo ◽  
A.J. Gutiérrez-Chávez ◽  
C.A. Ángel-Sahagún ◽  
H.H. Montaldo ◽  
L. Shepard ◽  
...  
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Milk Yield ◽  
Somatic Cell Count ◽  
Dairy Goats ◽  
Different Levels

scholarly journals Somatic cell count and milk yield on physicochemical components of milk from free-stall housed cows

2017 ◽  
Vol 38 (2) ◽  
pp. 909
Author(s):  
José Antônio Freitas ◽  
Janielen Silva ◽  
Américo Fróes Garcez Neto ◽  
Tiago Machado Santos
Keyword(s):  
Somatic Cell ◽  
Cell Count ◽  
Milk Yield ◽  
Somatic Cell Count ◽  
Milk Composition ◽  
Daily Production ◽  
Total Solids ◽  
Group Iii ◽  
Physicochemical Composition ◽  
Group I

Measurement and evaluation of the factors that may influence milk composition has been shown to determine the actual gains in milk quality and quantity. The study was conducted to evaluate the influence of daily milk yield on the physicochemical composition of milk and analyze the correlations between milk yield and somatic cell count (SCC) on the fat, protein, lactose, total solids and nitrogen urea contents in Holstein cows’ milk. A total of 3,544 data collected from 467 cows were evaluated. In the analysis, the animals were divided into groups – I (5-15 kg milk day-1), II (15-30 kg milk day-1) and III (above 30 kg milk day -1) – based on their daily production. Animals of Group I had higher SCC (P < 0.05) and fat and protein percentage when compared with Group III. However, the lactose content was lower (P < 0.05) than Group II and III. No correlation (P > 0.05) between SCC and fat, protein and total solids contents was observed. A lower milk yield is significantly associated with a higher SCC, which, besides hindering the quality of milk, compromises the cow's udder health.

scholarly journals Comparison of fatty acid composition of milk from Holstein and local breed cows in two breeding systems

2021 ◽  
Vol 78 (2) ◽  
pp. 46
Author(s):  
Yakout BENMALLEM REMANE ◽  
Cristophe BLECKER ◽  
Marie Laure FAUCONNIER ◽  
Mohand Mouloud BELLAL ◽  
Nassim MOULA
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Somatic Cell ◽  
Cell Count ◽  
Protein Content ◽  
Acid Composition ◽  
Milk Yield ◽  
Somatic Cell Count ◽  
Local Breed

Milk production and quality are influenced by many factors, including nutrition, management practices and breed. The aim of this study was to determine the effect of farming management system and breed on the milk yield, and fatty acid composition of the milk from 50 confinement-fed cows that were fed a total mixed ration, and 52 pasture-fed cows grazed together in rangeland. Individual milk samples (N = 102) were collected once in February. Milk from local breed was characterized by a significantly lower milk yield, and somatic cell count, and a higher protein content than the Holstein breed. The fatty acid composition was relatively the same in both breeds. The result showed that farming management system has no significant effect on the milk yield, somatic cell count, and fat contents, while there was a significant effect on protein content and fatty acid composition. The milk of Holstein cows from extensive system was characterized by more favorable fat fractions with significantly lower concentrations of C10:0, C12:0, C14:0, the sum of short and medium chain saturated fatty acids and n-6: n-3 ratio, and also by higher concentration of unsaturated fatty acids and the sum of n-3 than the milk of Holstein from intensive system.

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