The effect of concentrate: silage ratio and of hoof trimming on lameness in dairy cattle

1989 ◽  
Vol 49 (1) ◽  
pp. 15-22 ◽  
Author(s):  
F. J. Manson ◽  
J. D. Leaver
Keyword(s):  
Crude Protein ◽  
Dry Matter ◽  
Milk Protein ◽  
High Ratio ◽  
Metabolizable Energy ◽  
Condition Score ◽  
Hoof Lesions ◽  
Ratio Condition ◽  
Locomotion Score ◽  
Clinical Cases

ABSTRACTDuring weeks 3 to 26 of lactation, two groups of 24 cows were offered either a 60:40 (high) or a 40:60 (low) ratio of concentrate dry matter:silage dry matter. The 40:60 diet was restricted to give the same daily metabolizable energy and crude protein intake. The hooves of half the cows on each diet were trimmed prior to the experiment, the other half remaining untrimmed. The high concentrate ratio significantly increased locomotion score (high scores indicating poorer locomotion), and the number and duration of clinical cases of lameness. Trimming of hooves significantly reduced the number and diiration of clinical cases. Hoof growth was significantly increased by trimming. Hoof hardness was significantly reduced by the high concentrate ratio. The low concentrate ratio had 8/24 cows lame for an average of 3·3 weeks compared with 11 cows for 3·9 weeks on the high ratio. There were 7/24 trimmed cows lame for 3·1 weeks compared with 12 untrimmed cows lame for 4·2 weeks. The main hoof lesions were solar ulcers and heel erosion. There was no significant effect on milk yield, but milk protein was signficantly increased by the high concentrate ratio. Condition score was significantly negatively correlated with locomotion score.

The influence of dietary protein intake and of hoof trimming on lameness in dairy cattle

1988 ◽  
Vol 47 (2) ◽  
pp. 191-199 ◽  
Author(s):  
F. J. Manson ◽  
J. D. Leaver
Keyword(s):  
Crude Protein ◽  
Dry Matter ◽  
Live Weight ◽  
High Protein Diet ◽  
Metabolizable Energy ◽  
High Protein ◽  
Condition Score ◽  
Milk Solids ◽  
Locomotion Score ◽  
Clinical Cases

ABSTRACTIn an experiment during weeks 3 to 26 of lactation, two groups of 12 cows were offered a mixed concentrate/grass silage diet containing 161 g crude protein per kg dry matter, and two similar groups a diet containing 198 g crude protein per kg dry matter. The concentrate: forage ratios and the daily metabolizable energy intakes were the same for all four groups. The cows in one of the two groups at each crude protein level had their hooves trimmed prior to parturition, the other group remaining untrimmed. The high protein diet significantly increased locomotion score (higher scores indicate poorer locomotion), the number and duration of clinical cases of lameness and outer toe length. Trimming of hooves reduced locomotion scores and the number and duration of clinical cases. Hoof growth was significantly increased by trimming. Mid-sole hardness was negatively correlated with locomotion score. At the two extremes, the low protein trimmed group had five cows lame for an average of 1·0 weeks, whereas the high protein untrimmed group had nine cows lame for an average of 4-2 weeks. Condition score and live-weight change were negatively correlated with locomotion score. There were no significant differences between treatments in milk solids yield.

The influence of concentrate amount on locomotion and clinical lameness in dairy cattle

1988 ◽  
Vol 47 (2) ◽  
pp. 185-190 ◽  
Author(s):  
F. J. Manson ◽  
J. D. Leaver
Keyword(s):  
Milk Fat ◽  
Crude Protein ◽  
Milk Protein ◽  
Live Weight ◽  
Metabolizable Energy ◽  
Weekly Basis ◽  
Grass Silage ◽  
Condition Score ◽  
Metabolizable Energy Intake ◽  
Predisposing Causes

ABSTRACTAn experiment with two groups of 24 cows during weeks 3 to 22 of lactation examined the influence of 7 (L) or 11 (H) kg concentrates per day on the prevalence of lameness. Grass silage was offeredad libitum. The cows were scored on a 1 to 5 scale for their locomotion on a weekly basis (1 = normal locomotion; 5 = severely lame). Cows scoring 3 or more were considered to be clinically lame. This allowed the prevalence of lameness, its severity and duration to be measured and statistically analysed. There were significantly more observations of lameness in the H cows than the L cows (0·077 and 0·021 observations per cow week) and the severity and duration of lameness incidents were significantly greater. The major causes of lameness were solar problems in the hind feet. The prevalence declined in both treatments as lactation progressed. The predisposing causes of the higher incidence in treatment H could have been the higher concentrate: forage ratio, the greater daily metabolizable energy intake or the greater daily crude protein intake. For treatments L and H, mean milk yields were 20·5, 23·7 kg/day; milk fat 41·7, 39·0 g/kg; milk protein 31·4, 32·0 g/kg; live-weight change -0·12, +0·11 kg/day; and condition score 2·04, 2·18.

scholarly journals Replacing grass silage with pea-barley intercrop silage in the feeding of the dairy cow

2008 ◽  
Vol 15 (3) ◽  
pp. 235 ◽  
Author(s):  
P. PURSIAINEN ◽  
M. TUORI
Keyword(s):  
Crude Protein ◽  
Dry Matter ◽  
Protein Concentration ◽  
Milk Protein ◽  
Latin Square ◽  
Crude Protein Content ◽  
Grass Silage ◽  
Ad Libitum ◽  
Ad Libitum Intake ◽  
Barley Silage

The effect of replacing wilted grass silage (GS) with pea-barley intercrop silage (PBS) on feed intake, diet digestibility and milk production was studied with 8 multiparous Ayrshire-cows in a replicated 4 × 4 Latin square experiment. Proportion of PBS was 0 (PBS0), 33 (PBS33), 67 (PBS67) or 100 (PBS100) % of silage dry matter (DM). The DM content was 559 and 255 g kg-1 for GS and PBS. Crude protein content was 131 and 170 g kg-1 DM, respectively. Pea-barley silage was more extensively fermented than GS with total fermentation acid content of 120 vs. 12 g kg-1 DM. Silage was fed for ad libitum intake and supplemented with on the average 13 kg concentrate per day. Silage DM intake was 9.2 (PBS0), 9.7 (PBS33), 9.0 (PBS67) and 7.1 (PBS100) kg per day (Pquadr. < 0.05). The energy corrected milk yield [30.3 (PBS0), 29.8 (PBS33), 30.3 (PBS67), 31.3 (PBS100) kg per day] was not significantly affected by the treatment. Milk protein concentration decreased linearly (P < 0.05) in response to feeding PBS. It is concluded that PBS can replace up to two thirds of wilted, moderate quality GS in the feeding of dairy cows because in this experiment pure pea-barley silage reduced silage intake.

The Apparent Digestibility of Nutrients and Energy Value to Pigs of Plantains (Musa Sapientum Var. Paradisiaca Linn)

2021 ◽  
Vol 1 (2) ◽  
pp. 184-191
Author(s):  
V. A. Oyenuga ◽  
B. L. Fetuga
Keyword(s):  
Crude Protein ◽  
Dry Matter ◽  
Nitrogen Retention ◽  
Basal Diet ◽  
Metabolizable Energy ◽  
Apparent Digestibility ◽  
Crude Fibre ◽  
Large White ◽  
High Dry Matter ◽  
Nitrogen Free Extract

The proximate and mineral constituents of six plantain forms, raw green plantain (RGP), cooked green plantain (CGP), raw ripe plantain (RRP), cooked ripe plantain (CRP), green plantain meal (GPM) and ripe plantain meal (RPM) were determined by chemical analysis. 24 large white barrows, weighing initially, between 40-45 kg., were used to study the apparent digestibility of nutrients, digestible energy (DE), metabolizable energy (ME), metabolizable energy corrected for nitrogen retention (ME(n) and total digestible nutrients when the plantains served as the only source of nutrients. In a second experiment ME and ME(n) were measured for the plantain forms using 28 Large White barrows, with diets in which the plantains replaced 50% of maize in a basal diet. All the plantain forms had low fat, crude fibre and crude protein content but high in nitrogen-free extract, phosphorus, potassium and Iron. Identically high dry matter (D.M.) and nitrogen-free extract (N.F.E.) digestion coefficients were obtained for all the plantain forms except RPM, which had significantly lower values. Digestion coefficients for crude protein (46.9, 53.6, 51.8, 34.3,-32.7 %), crude fibre, (46.6, 49.5, 58.7, 62.6, 56.9, 39.6 %), ether extract (55.9, 56.6, 66.9, 69.2, 54.7 and 34.6 %) for RGP, CGP, RRP, CRP, GPM and RPM respectively were considerably lower than for D.M. and N.F.E. The DE, ME ME(n) and TDN values were comparable for all plantain forms except RPM, which had significantly lower values in most cases. The fresh green plantains and green plantain meals had slightly higher energy values than the ripe plantains, even though the nutrients in the ripe plantains were better digested than in the green forms. The results are discussed in relation to variations in the relative proportions of the simple and more complex carbohydrates during ripening.

scholarly journals PSX-2 Growth and lactating performance of ewes fed with different energy levels

2019 ◽  
Vol 97 (Supplement_3) ◽  
pp. 467-468
Author(s):  
Fernanda F Santos ◽  
Luciano Brochine ◽  
Vanderlei Benetel Junior ◽  
Maria Laura R Coelho ◽  
Augusto H Gameiro ◽  
...  
Keyword(s):  
Body Weight ◽  
Milk Production ◽  
Body Condition ◽  
Dry Matter ◽  
Body Condition Score ◽  
Energy Levels ◽  
The Body ◽  
Metabolizable Energy ◽  
Significant Difference ◽  
Condition Score

Abstract The objective of this study was to evaluate the milk production, body weight, and body condition score (BCS) of ewes fed with different energy levels. Seventy-one ewes were used and distributed in three treatments according to the metabolizable energy (ME, Mcal/kg) levels in the diet: CTL = according to the NRC (2007) recommendation for each stage (gestation and lactation); PLUS = CTL plus 10% of ME per kilogram of dry matter; LESS = CTL less 10% ME per kilogram of dry matter. Body weight and body condition score were evaluated a week before the expected date of parturition, a week after giving birth, and at weaning (60 days). Dairy production was evaluated at 20, 30, 40, 50 and 60 days after giving birth by the indirect method of the two weighing. The experimental design was analyzed as randomized complete blocks. There were no differences on milk production during almost all the lactation curve. Only on day 50 (P = 0.051), CTL was still at peak, while LESS and PLUS had already decreased their production. However, at 60 days, all treatments were already with low production, justifying weaning in this period. Results of weight and BCS showed a significant difference in all periods evaluates. Ewes in the PLUS diet had greater BW and BCS. The BCS before giving birth is expected to be over 3.5 and treatment LESS was the only one that did not achieve this score (2.66, 3.37, 3.83 for LESS, CTL, and PLUS, respectively). At weaning, ewes fed PLUS and CTL had BCS of 3.51 and 2.92, respectively, but treatment LESS had only 1.82. That is prejudicial for the next mating seasonal and this animal. We concluded that LESS diet interfered with the body reserves of sheep.

Prediction of the true metabolizable energy concentration in forages for ruminants

1986 ◽  
Vol 43 (2) ◽  
pp. 183-194 ◽  
Author(s):  
R. J. Dewhurst ◽  
A. J. F. Webster ◽  
F. W. Wainman ◽  
P. J. S. Dewey
Keyword(s):  
Lactic Acid ◽  
Crude Protein ◽  
Dry Matter ◽  
Volatile Fatty Acids ◽  
Solid Phase ◽  
Metabolizable Energy ◽  
Energy Concentration ◽  
Outflow Rate ◽  
Better Than ◽  
Chemical Description

ABSTRACTA model has been developed to predict the true metabolizable energy (ME,) concentration in forages given to ruminants.The chemical description of forages is based on the concentrations of ash, crude protein, ether extract, sugars and α-glycans, β-glycans and lignin, volatile fatty acids and lactic acid. The model assumes complete fermentation of sugars, α-glycans and lactic acid. The extent of fermentation of β-glycans and crude protein is determined in part by rumen solid-phase outflow rate, which can itself be predicted from dry-matter intake.The model was tested using 121 graminaceous forages whose chemical composition and concentration of metabolizable energy had been measured in the Feedingstuffs Evaluation Unit at the Rowett Research Institute. The agreement between observed and predicted ME, for all classes of forage was nearly always as good as, or better than, the best prediction from single attributes of food chemistry which could only be determined retrospectively and were not consistent even within classes of forage. The model predicts a decline in ME, with increasing rumen solid-phase outflow rate which is determined mainly by the extent of fermentation of β-glycans.

A note on the apparent digestibility of energy and protein in dried poultry excreta

1970 ◽  
Vol 12 (3) ◽  
pp. 525-528 ◽  
Author(s):  
B. G. Lowman ◽  
D. W. Knight
Keyword(s):  
Organic Matter ◽  
Crude Protein ◽  
Dry Matter ◽  
Nutritional Value ◽  
Metabolizable Energy ◽  
Apparent Digestibility ◽  
Digestible Crude Protein ◽  
Detailed Work

SUMMARYThe nutritional value of dried poultry excreta was investigated by determining the apparent digestibility of dry matter, organic matter, nitrogen, energy and copper in five diets containing 0 to 100% of this feed. Dried poultry excreta supplied 20·21% apparently digestible crude protein and approximately 1·57 or 1·74 Mcal of metabolizable energy per kg dry matter.The copper in dried poultry excreta was found to be less digestible than the copper in barley. It is concluded that, as far as copper levels are concerned, dried poultry excreta are safe for ruminants, and are a source ofcheap protein. More detailed work is needed to determine the metabolizable energy of the material accurately.

Mature body composition of the Gallego sheep breed of Galicia (north-west Spain)

1992 ◽  
Vol 1992 ◽  
pp. 179-179
Author(s):  
M. R. Cropper ◽  
N. Diaz
Keyword(s):  
Body Composition ◽  
Body Condition ◽  
Crude Protein ◽  
Dry Matter ◽  
Growth Parameters ◽  
Body Condition Score ◽  
North West ◽  
Condition Score ◽  
Ad Libitum ◽  
Mature Size

Taylor (1980) indicated the importance of mature size in the description of animals and its usefulness for standardising growth parameters. The mature size and body composition of the Gallego breed, a small meat-producing type first described by Mason (1967), have never been estimated under defined management conditions. Therefore, using the scaling rules and results of Thonney, Taylor, Murray and McClelland (1987) as a guide, a study was made to determine whether the reputation of Gallego lambs for producing lean carcases was borne out in the composition of mature animals.Twenty-one ewes (mean liveweight, LW, 32.7, sd 5.4 kg) and eight rams (LW 47.6, sd 8.6 kg) were selected as cast animals on the basis of age ( >4 years), body condition score (BCS, >1.75), health and teeth status and group-fed on concentrate (180 g crude protein/ kg dry-matter) and hay ad libitum. LW was measured fortnightly. When all animals had a LW and BCS which were stable for 2 months, 3 subgroups were slaughtered monthly. Weights of wool, body organs and hot carcase (HC) were recorded. Dissection of the cold carcase (CC) into commercial joints (Cabrero Poveda, 1984) and total lean, bone and fat.

The effects of concentrate supplements on the performance of dairy cows offered grass silage ad libitum

1981 ◽  
Vol 33 (2) ◽  
pp. 199-209 ◽  
Author(s):  
R. Laird ◽  
J. D. Leaver ◽  
F. R. Moisey ◽  
M. E. Castle
Keyword(s):  
Crude Protein ◽  
Dry Matter ◽  
Live Weight ◽  
Milk Composition ◽  
Commercial Practice ◽  
Digestible Organic Matter ◽  
Condition Score ◽  
Digestible Crude Protein ◽  
Grazing Period ◽  
Ad Libitum

ABSTRACTNinety-six lactating British Friesian cows were offered ad libitum two grass silages having the following analyses: 181 and 241 g dry matter per kg fresh weight, 108 and 96g digestible crude protein per kg dry matter and 617 and 619 g digestible organic matter per kg dry matter. In addition, four concentrate supplements were offered, containing either 360 g crude protein per kg on an air-dry basis and given at the rate of 015 kg/kg milk or 180 g crude protein per kg given at the rate of 030, 0375 and 0·45 kg/kg milk. Large and highly significant differences were recorded in silage intake, mil yield, milk composition, live weight and condition score during the winter feeding period. These differences in performance were associated more with differences in energy than in protein intake. During the post-experimental grazing period no significant differences between treatments were recorded in milk yield and composition, with the exception of fat concentration, and by midsummer no significant differences were apparent in live weight. The results of the experiment were appraised in economic terms and implications for commercial practice discussed.

Maize gluten and rapeseed meal as protein supplements to barley or wheat for intensively finished Charolais-cross bulls

1995 ◽  
Vol 60 (1) ◽  
pp. 49-54 ◽  
Author(s):  
D. Pullar
Keyword(s):  
Crude Protein ◽  
Dry Matter ◽  
Live Weight ◽  
Rapeseed Meal ◽  
Metabolizable Energy ◽  
Live Animal ◽  
Protein Supplements ◽  
Finishing Diets ◽  
Ad Libitum ◽  
Weight Gain Percentage

AbstractFour diets, barley/proprietary protein concentrate (B/PC), barley/maize gluten (B/MG), barley/rapeseed meal (B/RSM) and wheat/'rapeseed meal (W/RSM) were formulated to contain 165 g crude protein and 13·0 MJ metabolizable energy per kg dry matter. In experiment 1, all four diets were offered ad libitum to Charolais × Friesian bulls from 187 kg live weight to slaughter at about 488 kg live weight. In experiment 2, the B/PC and B/RSM were offered ad libitum to Charolais × (Hereford × Friesian) bulls from 222 kg live weight to slaughter at about 491 kg live weight. There were no significant differences between treatments in daily live-weight gain, percentage fat and lean in the live animal, slaughter weight or days on experiment in either experiment. In experiment 1, the carcasses from bulls given B/PC were 14 kg heavier than carcasses from bulls given W/RSM (P<0·05), but only 10 and 7 kg heavier than from bulls given B/MG and B/RSM respectively (P<0·05). The killing-out proportion of bulls given B/PC was significantly greater (P<0·05) than bulls given B/RSM. In experiment 2, carcass weights were similar but the killing-out proportion of bulls given B/PC were again greater (P < 0·001). It is concluded that B/MG and B/RSM were as effective as B/PC as finishing diets and that wheat can be successfully substituted for barley, when offered with rapeseed meal.

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