Effect of dietary fenugreek seed on dairy cow performance and milk characteristics

2004 ◽  
Vol 84 (4) ◽  
pp. 725-729 ◽  
Author(s):  
M. A. Shah ◽  
P. S. Mir
Keyword(s):  
Fatty Acids ◽  
Dairy Cows ◽  
Dairy Cow ◽  
Control Diet ◽  
Blood Cholesterol ◽  
Cholesterol Concentration ◽  
Milk Lipid ◽  
Fenugreek Seed ◽  
Cow Performance ◽  
Milk Characteristics

The effect of providing fenugreek seed at 20% of diet dry matter on dairy cow performance and milk characteristics was studied. Feeding fenugreek seed improved profile of functional fatty acids (P < 0.05) in the milk, reduced blood cholesterol concentration (by 4% units more than the control diet) and produced lower concentrations in milk (1.48 vs. 1.83 mg g-1 milk lipid) in a 3-wk study with dairy cows, without altering milk flavour or taste. Therefore, fenugreek seed could be used in dairy rations to improve milk characteristics. Key words: Fenugreek, cholesterol, dairy cows and fatty acids

Plasma leptin in transition dairy cows. Effects of body fatness, ambient temperature and dietary factors

2002 ◽  
Vol 2002 ◽  
pp. 92-92 ◽  
Author(s):  
T. Kokkonen ◽  
J. Taponen ◽  
S. Alasuutari ◽  
M. Nousiainen ◽  
T. Anttila ◽  
...  
Keyword(s):  
Food Intake ◽  
Energy Expenditure ◽  
Dairy Cows ◽  
Dairy Cow ◽  
Dietary Factors ◽  
Body Fatness ◽  
Increase Energy Expenditure ◽  
Transition Dairy Cows ◽  
Cow Performance ◽  
Plasma Leptin

In ruminants plasma leptin is increased with increasing body fatness. Leptin acts on hypothalamus to decrease food intake and increase energy expenditure. It is possible that leptin has a key role in transition from pregnancy to lactation of dairy cows. The objective of the present work was to investigate the pattern of plasma leptin concentration, as well as its relationship with other hormones and metabolites and dairy cow performance.

The influence of long-term dietary inclusion of the antibiotic Actaplanin on dairy cow performance

1988 ◽  
Vol 1988 ◽  
pp. 110-110
Author(s):  
M.M. Abubakar ◽  
P. Rowlinson
Keyword(s):  
Dairy Cows ◽  
Milk Production ◽  
Dairy Cow ◽  
Milk Fat ◽  
Rumen Fluid ◽  
Increase Milk Production ◽  
Cow Performance ◽  
A Performance

The antibiotic Actaplanin is a complex of glycopeptide compounds produced by Actinoplanes missourrensis. When included in feed as a performance enhancer it has been shown to increase milk production of dairy cows (McGuffey et al. 1983). Actaplanin is associated with reduced proportions of acetate and increased proportions of propionate in rumen fluid and a depression in milk fat proportion may result (Clapperton et al. 1987). The aim of the trial reported here was to monitor the effects of feeding 960 mg Actaplanin/head/d to dairy cows throughout two successive lactations.

The effect of triterpenoid saponins fromSaponaria officinalison some blood hormones, metabolic parameters and fatty acid composition in dairy cows

2015 ◽  
Vol 154 (3) ◽  
pp. 532-541 ◽  
Author(s):  
K. SZKUDELSKA ◽  
M. SZUMACHER-STRABEL ◽  
J. SZCZECHOWIAK ◽  
M. BRYSZAK ◽  
E. PERS-KAMCZYC ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Dairy Cows ◽  
Acid Composition ◽  
Control Diet ◽  
Metabolic Parameters ◽  
High Density Lipoproteins ◽  
Adaptation Period ◽  
Triterpenoid Saponins

SUMMARYAn experiment was performed to determine the effect of triterpenoid saponins from powdered root ofSaponaria officinalisL. (SO) on some blood metabolic parameters and hormone concentrations in dairy cows. Three dairy Polish Holstein-Friesian cows were used in the experiment in a 3 × 3 Latin Square arrangement. Animals were fed twice a day with a control diet and two experimental diets – a diet supplemented with either 440 or 660 g/d of the powderedS. officinalisroot (SO1 and SO2, respectively). Each of the three experimental cycles lasted for 26 days, including a 23-day adaptation period and a 3-day sample collection period. Blood samples were collected from the jugular vein from 24th to 26th day of the experiment. Total high-density lipoproteins cholesterol (HDL) and low-density lipoproteins cholesterol (LDL), as well as triglycerides, free fatty acids (FFA) and glucose, were assayed in serum. Fatty acid composition in the blood was also analysed. Moreover, concentrations of insulin, glucagon, leptin, triiodothyronine (T3) and thyroxine (T4) were measured. It was demonstrated that total and HDL-cholesterol concentrations were significantly elevated in the blood of cows treated with experimental diets; however, LDL-cholesterol remained unchanged. No concentrations of triglycerides, FFA or glucose were influenced by saponins. Two fatty acids (C16 : 0 and C16 : 1c9) were markedly reduced when SO was used, while C18 : 1t11decreased with increasing levels of SO. The significant increase of C20 : 4n-6in animals treated with SO was observed. Both saponin diets resulted in a slight increase in insulin concentration and the SO2 diet evoked an emphatic rise of glucagon concentration. The concentration of T3 also increased after consumption of the experimental diet. The current study shows for the first time that triterpenoid saponins fromS. officinaliscan alter blood parameters in ruminants. These effects seem to result from saponin-induced changes in the rumen.

scholarly journals Does spring application of fertiliser urea reduce dairy cow performance?

2004 ◽  
pp. 239-244
Author(s):  
A. Ordóñez ◽  
C. Matthew ◽  
R.D. Miller ◽  
T. Parkinson ◽  
C.W. Holmes ◽  
...  
Keyword(s):  
Field Experiment ◽  
Dairy Cows ◽  
Dairy Cow ◽  
Crude Protein ◽  
Early Lactation ◽  
Negative Effects ◽  
Milk Urea ◽  
Farm Survey ◽  
Cow Performance ◽  
Sugar Levels

This paper reports a field experiment and a farm survey, which aimed to find out if there is evidence that elevated herbage crude protein (CP):sugar levels have negative effects on dairy cow performance. Differences in herbage CP levels were induced by using nitrogen (+N) or withholding (-N) applied as fertiliser urea for two groups of 20 dairy cows in early lactation (August to November 2003). Cows fed urea-fertilised herbage had elevated milk urea levels (-N = 5.4 mmol/l, +N = 8.3 mmol/l, P

Effects of level and form of dietary zinc on dairy cattle performance and keratin production in the teat canal

2009 ◽  
Vol 2009 ◽  
pp. 85-85
Author(s):  
C Cope ◽  
A M Mackenzie ◽  
D Wilde ◽  
L A Sinclair
Keyword(s):  
Mammary Gland ◽  
Dairy Cows ◽  
Dairy Cow ◽  
Organic Form ◽  
Somatic Cell Counts ◽  
Cell Counts ◽  
Cow Performance ◽  
Physical And Chemical ◽  
Teat Canal ◽  
Recommended Level

The teat canal in dairy cows is lined with keratin, which is considered to be a natural physical and chemical barrier involved in providing resistance to bacteria gaining entry into the mammary gland. Keratin is partially removed during milking therefore requiring regeneration. It has been estimated that a cow needs to regenerate 1.3 mg per teat between each milking to replace the amount lost (Capuco et al., 1992). Zinc is important in the process of keratinisation and previous studies have reported an 2.4 kg/d increase in milk yield when supplemented with Zn in an organic form at the recommended level and an increase in somatic cell counts (SCC) in cattle receiving 0.66 of the recommended level of dietary Zn (Atkin et al., 2007), although mechanisms for this observation are unclear. The objective of this study was to establish the effect of level and form of Zn (organically chelated (Bioplex ZnTM; Alltech Inc., Nicholasville, USA) vs. inorganic (ZnO)) and no supplemental Zn on dairy cow performance and keratin production in the teat canal.

Effects of dietary calcium soaps of unsaturated fatty acids on digestion, milk composition and physical properties of butter

1997 ◽  
Vol 64 (2) ◽  
pp. 181-195 ◽  
Author(s):  
FRANCIS ENJALBERT ◽  
MARIE CLAUDE NICOT ◽  
CORINE BAYOURTHE ◽  
MICHELE VERNAY ◽  
RAYMOND MONCOULON
Keyword(s):  
Fatty Acids ◽  
Dairy Cows ◽  
Milk Fat ◽  
Dry Matter ◽  
Unsaturated Fatty Acids ◽  
Control Diet ◽  
Milk Composition ◽  
Ruminal Fermentation ◽  
Maize Silage ◽  
Ruminal Biohydrogenation

Dairy cows fitted with ruminal, duodenal and ileal cannulas were utilized to investigate the effects of feeding with Ca soaps (CaS) of palm fatty acids (FA) and rapeseed FA. Diets compared were control diet based on maize silage and concentrate, and two diets with 40 g CaS of palm oil FA or rapeseed oil FA/kg diet, replacing part of the concentrates of the control diet. Total digestibilities of dry matter, fibre and fat, and ruminal fermentation were not significantly altered by giving CaS; the extent of ruminal biohydrogenation of total unsaturated C18 FA was significantly reduced by both CaS diets. Apparent intestinal digestibility of FA was not different among diets, although the amount of FA absorbed with the CaS diets was twice that with the control diet. No difference among diets was observed for milk production, or fat and protein contents. Giving CaS diets decreased the proportions of 4[ratio ]0 to 14[ratio ]0 FA in milk fat, and increased cis-18[ratio ]1n−9, compared with control diet. The rapeseed diet lowered the content of 16[ratio ]0, and increased the contents of 18[ratio ]0 and trans-18[ratio ]1n−7. CaS diets did not result in a marked increase of polyunsaturated FA content in milk fat. Butter from cows fed on the CaS diets contained more liquid fat at 6 and 14°C than butter from the cows fed on the control diet. Incorporating CaS, particularly those from rapeseed, in dairy cows' diets increased C18 FA in milk and improved butter spreadability.

The effect of extending the grazing season in early spring on dairy cow performance

1998 ◽  
Vol 1998 ◽  
pp. 50-50 ◽  
Author(s):  
H.J. Sayers ◽  
C.S. Mayne
Keyword(s):  
Dairy Cows ◽  
Dairy Cow ◽  
Early Spring ◽  
Feeding Period ◽  
Animal Performance ◽  
Grazing Season ◽  
Cow Performance

Previous studies (Mayne and Laidlaw 1995) have shown that early turnout of dairy cows to spring pasture for a few hours per day (extended grazing) reduces silage intake and increases animal performance relative to that of animals retained indoors. The objective of the present study was to assess the effects of grazing severity and/or degree of silage restriction during the indoor feeding period on the response to extended grazing.

scholarly journals Rumen fermentation and microbial population in lactating dairy cows receiving diets containing oilseeds rich in C-18 fatty acids

2012 ◽  
Vol 109 (7) ◽  
pp. 1211-1218 ◽  
Author(s):  
M. Ivan ◽  
H. V. Petit ◽  
J. Chiquette ◽  
A.-D. G. Wright
Keyword(s):  
Fatty Acids ◽  
Linoleic Acid ◽  
Dairy Cows ◽  
Volatile Fatty Acids ◽  
Rumen Fluid ◽  
Control Diet ◽  
Cellulolytic Bacteria ◽  
High Concentration ◽  
Dietary Linoleic Acid ◽  
Quality Of Milk

Sixteen Holstein rumen-cannulated primiparous milking dairy cows were fed a control diet (CN) based on maize silage and soyabean meal during a 4-week period before the start of a 21-d experiment with oilseeds containing high concentration of linoleic acid (Linola™) or linolenic acid (NuLin™). Thereafter, four cows receivedad libitumone of each of four dietary treatments comprising of CN, Linola (LN), NuLin (NL) and LN/NL (50/50 % combination). Each LN, NL and LN/NL treatment contained 6 % oil of DM. Rumen digesta samples were collected on days 6, 11, 16 and 21 and milk samples on days 13, 15 and 17. There were no effects (P>0·05) of the oilseeds on pH and concentrations of NH3-N and total volatile fatty acids, while the acetate:propionate ratio was decreased (P< 0·05). The oilseeds also decreased (P< 0·05) protozoa and increased (P< 0·1) total cellulolytic bacteria in rumen fluid, especially when containing high dietary linoleic acid (P< 0·05). The milk protein concentration was increased (P< 0·1) by the dietary linoleic acid, which produced most beneficial results. It was concluded that supplements of linoleic acid in diets of ruminants might contribute to better digestion of dietary fibre and increased quality of milk.

The effect of extending the grazing season in early spring on dairy cow performance

1998 ◽  
Vol 1998 ◽  
pp. 50-50
Author(s):  
H.J. Sayers ◽  
C.S. Mayne
Keyword(s):  
Dairy Cows ◽  
Dairy Cow ◽  
Early Spring ◽  
Feeding Period ◽  
Animal Performance ◽  
Grazing Season ◽  
Cow Performance

Previous studies (Mayne and Laidlaw 1995) have shown that early turnout of dairy cows to spring pasture for a few hours per day (extended grazing) reduces silage intake and increases animal performance relative to that of animals retained indoors. The objective of the present study was to assess the effects of grazing severity and/or degree of silage restriction during the indoor feeding period on the response to extended grazing.

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