COMPARATIVE DIGESTIBILITY BY SHEEP AND COWS AND CONSEQUENCES ON ENERGY VALUE

1984 ◽  
Vol 64 (5) ◽  
pp. 175-176 ◽  
Author(s):  
J. L. DE BOEVER ◽  
B. G. COTTYN ◽  
Ch. V. BOUCQUE ◽  
J. V. AERTS ◽  
F. X. BUYSSE
Keyword(s):  
Key Words ◽  
Maize Silage ◽  
Digestive Capacity ◽  
Energy Value ◽  
Grass Silage ◽  
Grass Hay ◽  
Maize Grain

Sheep and cows did not differ systematically in digesting maize silage, grass silage and grass hay of moderate and good quality, ensiled whole crop cereals, root- and tubercrops and concentrates. Herbage products of low quality were better digested by cows, while sheep showed a superior digestive capacity for maize grain. Key words: Sheep, cows, digestibility

Carrot/grass silage as cattle feed

1992 ◽  
Vol 72 (2) ◽  
pp. 441-443 ◽  
Author(s):  
L. F. Laflamme
Keyword(s):  
Growth Performance ◽  
Key Words ◽  
Feeding Trial ◽  
Cattle Feed ◽  
Grass Silage ◽  
Grass Hay ◽  
Alfalfa Silage

Carrots and grass hay were ensiled together, stored in vertical silos, and compared to a bromegrass/alfalfa silage in a feeding trial using 20 weaned cattle. The carrot/grass silage ensiled well and was accepted by the steers. Growth performance was similar for both silages and the cattle responded to barley supplementation. Key words: Cattle, carrots, silage, feed

scholarly journals Forage mixtures for dairy cows: the effect on dry matter intake and milk production of incorporating different proportions of maize silage into diets based on grass silages of differing energy value

1992 ◽  
Vol 118 (3) ◽  
pp. 379-382 ◽  
Author(s):  
R. H. Phipps ◽  
R. F. Weller ◽  
A. J. Rook
Keyword(s):  
Dry Matter ◽  
Milk Protein ◽  
Regression Coefficient ◽  
Milk Composition ◽  
Maize Silage ◽  
Energy Value ◽  
Linear Effect ◽  
Grass Silage ◽  
Forage Mixtures ◽  
Friesian Cows

SUMMARYDuring weeks 3–23 of lactation, 63 multiparous and 28 primiparous Friesian cows were offered ad libitum access to grass silage of either average (A)(ME 10·6 MJ/kg DM; CP 158 g/kg DM) or low (L)(ME 9·9 MJ/kg DM; CP 154 g/kg DM) energy value, either alone or in mixtures consisting of one of these grass silages with 25, 50 or 75% of the forage DM as maize silage. In addition, all cows received 7·2 kg DM/day of concentrate (ME 12·9 MJ/kg DM; CP 202 g/kg DM). There was a significant (P < 0·001) linear relationship between silage DM intake and percentage maize inclusion with grass silage. For grass silage A, DM intake of the mixture of grass and maize in a 1:1 DM ratio was significantly (P < 0·001) higher that at other inclusion levels. There was a significant (P < 0·05) overall linear effect of proportion of maize on milk yield, with a regression coefficient of 0·022 ± 0·009 kg/day per percentage maize proportion. Although milk composition was unaffected by treatment, there was a significant (P < 0·01) linear effect of maize proportion on protein yield for grass silage L, the regression coefficient being 0·8±0·03 g/day/percentage maize proportion. The mixture of grass silage A and maize silage in a 1:1 DM ratio produced the highest yield of milk protein.

Alteration of the carbon and nitrogen stable isotope composition of beef by substitution of grass silage with maize silage

2005 ◽  
Vol 19 (14) ◽  
pp. 1937-1942 ◽  
Author(s):  
Bojlul Bahar ◽  
Frank J. Monahan ◽  
Aidan P. Moloney ◽  
Padraig O'Kiely ◽  
Charlie M. Scrimgeour ◽  
...  
Keyword(s):  
Stable Isotope ◽  
Isotope Composition ◽  
Stable Isotope Composition ◽  
Maize Silage ◽  
Nitrogen Stable Isotope ◽  
Carbon And Nitrogen ◽  
Grass Silage

Acidogenicity of feeds for dairy cows. 2. Production responses

1998 ◽  
Vol 1998 ◽  
pp. 206-206
Author(s):  
R.J. Dewhurst ◽  
D. Wadhwa ◽  
L.P. Borgida ◽  
D.W.R. Davies ◽  
W.J. Fisher
Keyword(s):  
Dairy Cows ◽  
Milk Protein ◽  
Latin Squares ◽  
Standard Diet ◽  
Lactation Performance ◽  
Maize Silage ◽  
Beneficial Effects ◽  
Grass Silage ◽  
Holstein Friesian ◽  
Friesian Cows

Falling prices for cereals and beneficial effects on milk protein concentrations may promote greater inclusions of rapidly fermented ingredients in dairy rations. There is, however, a limit to the inclusion of these feeds into dairy rations beyond which performance declines due to sub-acidosis and related disorders. The feed compounder will need to be able to set limits on levels of feeding concentrates according to these risks. The objective of this experiment was to evaluate the effect of feeds of different acidogenicity (Wadhwa et al., 1998) on lactation performance of dairy cows offered diets based on grass- or maize-silage.Twelve multiparous Holstein-Friesian cows in the third month of lactation were used for this experiment. The experimental design involved adaptation and covariance recording on a standard diet (grass silage and 10 kg concentrates per day), followed by three 21-day experimental periods arranged as four 3x3 Latin Squares. The Latin Squares were constrained to a single forage to avoid difficulties in changeovers between grass silage and maize silage.

Replacing wheat with canola meal and maize grain in the diet of lactating dairy cows: Feed intake, milk production and cow condition responses

2017 ◽  
Vol 84 (3) ◽  
pp. 240-247 ◽  
Author(s):  
Ruairi P McDonnell ◽  
Martin vH Staines
Keyword(s):  
Dairy Cows ◽  
Milk Production ◽  
Milk Fat ◽  
Milk Protein ◽  
Daily Intake ◽  
Canola Meal ◽  
Grass Silage ◽  
Holstein Friesian ◽  
Maize Grain ◽  
The Difference

This research paper describes the effect of partially replacing wheat with maize grain and canola meal on milk production and body condition changes in early lactation Holstein-Friesian dairy cows consuming a grass silage-based diet over an 83-d period. Two groups of 39 cows were stratified for age, parity, historical milk yield and days in milk (DIM), and offered one of two treatment diets. The first treatment (CON) reflected a typical diet used by Western Australian dairy producers in summer and comprised (kg DM/cow per d); 8 kg of annual ryegrass silage, 6 kg of crushed wheat (provided once daily in a mixed ration), 3·6 kg of crushed lupins (provided in the milking parlour in two daily portions) and ad libitum lucerne haylage. The second treatment diet (COMP) was identical except the 6 kg of crushed wheat was replaced by 6 kg of a more complex concentrate mix (27% crushed wheat, 34% maize grain and 37% canola meal). Lucerne haylage was provided independently in the paddock to all cows, and no pasture was available throughout the experiment. The COMP group had a greater mean overall daily intake (22·5vs20·4 kg DM/cow) and a higher energy corrected milk (ECM) yield (29·2vs27·1 kg/cow;P= 0·047) than the CON cows. The difference in overall intake was caused by a higher daily intake of lucerne haylage in COMP cows (4·5vs2·3 kg DM/cow). The CON group had a higher concentration of milk fat (42·1vs39·3 g/kg;P= 0·029) than COMP cows. Milk protein yield was greater in COMP cows (P< 0·021); however, milk fat yield was unaffected by treatment. It is concluded that partially replacing wheat with canola meal and maize grain in a grass silage-based diet increases voluntary DMI of conserved forage and consequently yields of ECM and milk protein.

PERFORMANCE OF HEREFORD × SHORTHORN BULLS AND STEERS RAISED IN NORTHERN ONTARIO AND FED DIFFERENT LEVELS OF GRASS SILAGE AND HIGH MOISTURE BARLEY

1983 ◽  
Vol 63 (4) ◽  
pp. 861-869 ◽  
Author(s):  
D. M. VEIRA ◽  
A. FORTIN ◽  
M. IVAN ◽  
G. BUTLER ◽  
J. G. PROULX
Keyword(s):  
Key Words ◽  
Dry Matter ◽  
Carcass Characteristics ◽  
Ultrasound Measurement ◽  
High Moisture ◽  
Northern Ontario ◽  
Consistent Effect ◽  
Grass Silage ◽  
Different Levels

Over a 2-yr period, 44 bulls and 44 implanted steers of Hereford × Shorthorn breeding were fed, from weaning to slaughter, diets of grass silage with 0, 0.45, 0.9 or 1.35 kg barley dry matter (DM)/100 kg liveweight. Each animal was slaughtered when it had 8 mm of fat over the loin as determined by ultrasound measurement. As the level of barley in the diet increased the rate of gain increased (P < 0.01), as did DM intake (P < 0.05) while feed required per kilogram gained and days on feed decreased. Bulls and steers responded in a similar manner to the different diets. Bulls gained faster (P < 0.01) on similar intakes of DM with the result that feed required for kilogram gain was less for bulls (P < 0.05). There was no difference (P > 0.05) in days to market for bulls and steers. There was no consistent effect of diet on carcass characteristics. However, castration resulted in lighter (P < 0.01) slaughter and carcass weights as well as a smaller (P < 0.01) rib eye area. Key words: Cattle, castration, diet, growth, carcass

Effect of monensin on in vitro semi-continuous rumen fermentation in the rumen simulation technique (Rusitec)

1996 ◽  
Vol 1996 ◽  
pp. 213-213
Author(s):  
E.D. Mackintosh ◽  
R.H. Phipps ◽  
J.D. Sutton ◽  
J. Wilkinson
Keyword(s):  
Volatile Fatty Acid ◽  
Latin Square ◽  
Rumen Fermentation ◽  
Protein Supplement ◽  
Wheat Grain ◽  
Maize Silage ◽  
Grass Silage ◽  
Complete Diet ◽  
Holstein Friesian

Rusitec (Czerkawski and Breckenndge, 1977) lias been widely used to study factors which affect rumen fermentation such as monensin, monensin-propionate, abierixin, calcimycin and Aspergillus oryzae (Bogaert et al., 1990; Newbold et al., 1993). Monensin is a grain-positive ionophore which modifies rumen fermentation. The objective of the current study was to determine the effect of monensin on molar proportions of volatile fatty acid (VFA) produced from diets which varied in foragexoncentrate ratio.Four Rusitec vessels (800 ml) were used in an extended Latin Square design with 2 blocks, 2 treatments and 3 periods, each lasting 14 days. To initiate each period, inocula was recovered from the same lactating Holstein-Friesian cow (∽650 kg). All vessels received 15 g DM/day of a complete diet which contained maize silage, grass silage, NaOH treated wheat grain and a protein supplement in three foragexoncentrate ratios; 25:75 (L), 50:50 (M) and 75:25 (H).

Prediction of the digestibility and energy value of grass silage conserved in big bales

1993 ◽  
Vol 41 (4) ◽  
pp. 297-312 ◽  
Author(s):  
D.I. Givens ◽  
A.R. Moss ◽  
A.H. Adamson
Keyword(s):  
Energy Value ◽  
Grass Silage

The effect of grass and maize silage quality on diet digestibility and performance of beef cattle

2003 ◽  
Vol 2003 ◽  
pp. 10-10
Author(s):  
R.M. Kirkland ◽  
D.C. Patterson
Keyword(s):  
Beef Cattle ◽  
Animal Performance ◽  
Maize Silage ◽  
High Quality ◽  
Grass Silage ◽  
Preliminary Study ◽  
Silage Quality ◽  
And Performance

A preliminary study at this Institute indicated that inclusion of high quality maize silage in a grass silage-based diet could promote higher forage intakes in beef cattle, but the response to inclusion of maize silage was affected by the quality of grass silage. The objective of this study was to further examine the effects of grass (GS) and maize (MS) silage qualities on intake characteristics, and to evaluate the influence of forage offered on animal performance.

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