Short communication: Relationship of dry matter intake with enteric methane emission measured with the GreenFeed system in dairy cows receiving a diet without or with 3-nitrooxypropanol

ABSTRACT: The aim of the present research was to evaluate the effect of Pithecellobium dulce, Tagetes erecta and Cosmos bipinnatus on methane emission, milk yield and dry matter intake in dairy cattle. A 4×4 Latin square experimental design was employed, using four multiparous Holstein cows of 553±72.4kg body weight, at mid lactation and average milk yield of 17.3±3kg/day. The experiment lasted 92 days, divided into four experimental periods of 23 days each. All cows had free access to maize and alfalfa silage in a 50:50 proportion, 4kg of concentrate/day and ad libitum access to water. Treatments consisted in supplementation of 0.5kg/day of the experimental plants, with one control treatment without supplementation. Each cow received one of each treatment in turn during one of the four periods. The C. bipinnatus reduced methane production by 16% (P<0,05) in comparison with the control diet. Milk production, milk composition and dry matter intake were not affected (p>0 0.05) by the use of C. bipinnatus or any other plant species. Supplementation at low doses of C. bipinnatus showed a reduction in ruminal methane production in dairy cows.

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Effect of Feeding Improved Grass Hays and Eragrostis tef Straw Silage on Milk Yield, Nitrogen Utilization, and Methane Emission of Lactating Fogera Dairy Cows in Ethiopia

Animals ◽

10.3390/ani10061021 ◽

2020 ◽

Vol 10 (6) ◽

pp. 1021

Author(s):

Shigdaf Mekuriaw ◽

Atsushi Tsunekawa ◽

Toshiyoshi Ichinohe ◽

Firew Tegegne ◽

Nigussie Haregeweyn ◽

...

Keyword(s):

Dairy Cows ◽

Milk Yield ◽

Methane Emission ◽

Dry Matter ◽

Basal Diet ◽

Nitrogen Utilization ◽

Dry Matter Intake ◽

Eragrostis Tef ◽

Tropical Regions ◽

Natural Pasture

The nutritionally imbalanced poor-quality diet feeding is the major constraint of dairy production in tropical regions. Hence, alternative high-quality roughage-based diets are required to improve milk yield and reduce methane emission (CH4). Thus, we tested the effects of feeding natural pasture hay, improved forage grass hays (Napier and Brachiaria Hybrid), and treated crop residues (Eragrostis tef straw) on nutrient digestibility, milk yield, nitrogen balance, and methane emission. The eight lactating Fogera cows selected for the experiment were assigned randomly to a 4 × 4 Latin square design. Cows were housed in well-ventilated individual pens and fed a total mixed ration (TMR) comprising 70% roughage and 30% concentrate. The four roughage-based basal dietary treatments supplemented with formulated concentrate were: Control (natural pasture hay (NPH)); treated teff straw silage (TTS); Napier grass hay (NGH); and Brachiaria hybrid grass hay (BhH). Compared with the control diet, the daily milk yield increased (p < 0.01) by 31.9%, 52.9%, and 71.6% with TTS, NGH, and BhH diets, respectively. Cows fed BhH had the highest dry matter intake (8.84 kg/d), followed by NGH (8.10 kg/d) and TTS (7.71 kg/d); all of these intakes were greater (p = 0.01) than that of NPH (6.21 kg/d). Nitrogen digestibility increased (p < 0.01) from the NPH diet to TTS (by 27.7%), NGH (21.7%), and BhH (39.5%). The concentration of ruminal ammonia nitrogen was higher for cows fed NGH than other diets (p = 0.01) and positively correlated with plasma urea nitrogen concentration (R² = 0.45). Feeding TTS, NGH, and BhH hay as a basal diet changed the nitrogen excretion pathway from urine to feces, which can help protect against environmental pollution. Estimated methane yields per dry matter intake and milk yield were decreased in dairy cows fed BhH, NGH, and TTS diets when compared to cows fed an NPH diet (p < 0.05). In conclusion, feeding of TTS, NGH, and BhH roughages as a basal diet to lactating dairy cows in tropical regions improved nutrient intake and digestibility, milk yield, nitrogen utilization efficiency, and reduced enteric methane emission.

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An inhibitor persistently decreased enteric methane emission from dairy cows with no negative effect on milk production

Proceedings of the National Academy of Sciences ◽

10.1073/pnas.1504124112 ◽

2015 ◽

Vol 112 (34) ◽

pp. 10663-10668 ◽

Cited By ~ 150

Author(s):

Alexander N. Hristov ◽

Joonpyo Oh ◽

Fabio Giallongo ◽

Tyler W. Frederick ◽

Michael T. Harper ◽

...

Keyword(s):

Body Weight ◽

Weight Gain ◽

Dairy Cows ◽

Milk Production ◽

Methane Emission ◽

Feed Intake ◽

Dry Matter ◽

Body Weight Gain ◽

Methane Emissions ◽

Enteric Methane

A quarter of all anthropogenic methane emissions in the United States are from enteric fermentation, primarily from ruminant livestock. This study was undertaken to test the effect of a methane inhibitor, 3-nitrooxypropanol (3NOP), on enteric methane emission in lactating Holstein cows. An experiment was conducted using 48 cows in a randomized block design with a 2-wk covariate period and a 12-wk data collection period. Feed intake, milk production, and fiber digestibility were not affected by the inhibitor. Milk protein and lactose yields were increased by 3NOP. Rumen methane emission was linearly decreased by 3NOP, averaging about 30% lower than the control. Methane emission per unit of feed dry matter intake or per unit of energy-corrected milk were also about 30% less for the 3NOP-treated cows. On average, the body weight gain of 3NOP-treated cows was 80% greater than control cows during the 12-wk experiment. The experiment demonstrated that the methane inhibitor 3NOP, applied at 40 to 80 mg/kg feed dry matter, decreased methane emissions from high-producing dairy cows by 30% and increased body weight gain without negatively affecting feed intake or milk production and composition. The inhibitory effect persisted over 12 wk of treatment, thus offering an effective methane mitigation practice for the livestock industries.

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Short communication: Short-term effect of 3-nitrooxypropanol on feed dry matter intake in lactating dairy cows

Journal of Dairy Science ◽

10.3168/jds.2020-18331 ◽

2020 ◽

Vol 103 (12) ◽

pp. 11496-11502 ◽

Cited By ~ 1

Author(s):

A. Melgar ◽

K. Nedelkov ◽

C.M.M.R. Martins ◽

K.C. Welter ◽

X. Chen ◽

...

Keyword(s):

Dairy Cows ◽

Dry Matter ◽

Short Communication ◽

Term Effect ◽

Dry Matter Intake ◽

Short Term ◽

Short Term Effect ◽

Lactating Dairy Cows

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Effects of pregrazing herbage mass in late spring on enteric methane emissions, dry matter intake, and milk production of dairy cows

Journal of Dairy Science ◽

10.3168/jds.2016-10919 ◽

2016 ◽

Vol 99 (10) ◽

pp. 7945-7955 ◽

Cited By ~ 15

Author(s):

C. Muñoz ◽

P.A. Letelier ◽

E.M. Ungerfeld ◽

J.M. Morales ◽

S. Hube ◽

...

Keyword(s):

Dairy Cows ◽

Milk Production ◽

Dry Matter ◽

Methane Emissions ◽

Late Spring ◽

Dry Matter Intake ◽

Enteric Methane ◽

Enteric Methane Emissions

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Faba bean-rapeseed silage as substitute for Italian ryegrass silage: effects on performance and milk quality of grazing dairy cows

Animal Production Science ◽

10.1071/an17905 ◽

2020 ◽

Vol 60 (7) ◽

pp. 913 ◽

Cited By ~ 1

Author(s):

J. D. Jiménez-Calderón ◽

A. Martínez-Fernández ◽

A. Soldado ◽

A. González ◽

F. Vicente

Keyword(s):

Fatty Acid ◽

Dairy Cows ◽

Protein Content ◽

Milk Yield ◽

Faba Bean ◽

Dry Matter ◽

Milk Quality ◽

Italian Ryegrass ◽

Dry Matter Intake ◽

Enteric Methane

Three trials were conducted to study the effect of including in the ration of dairy cows the intercrop faba bean-rapeseed or Italian ryegrass silages on feed intake, milk quality and enteric methane emissions. Ten lactating Holstein cows, randomly allocated in two groups, were used in each trial in a crossover design. Dry matter intake and milk yield were recorded daily for each data period. Milk was sampled for analyses three times per period. Enteric methane emission was estimated applying a model that includes bodyweight, dry matter intake, nutritional values of feeds and milk composition. Concentrate and grass intake did not differ between treatments, while total mixed ration intake was higher with Italian ryegrass silage. Milk yield and protein concentration also increased with the Italian ryegrass treatment. The milk urea concentration was higher with the faba bean and rapeseed diet. Fatty acid profiles were affected by feeding strategy. Thereby, t11 18:1, c9 18:1 and total unsaturated fatty acid were higher when the intercrop silage was fed. As consequence, atherogenicity index and thrombogenicity index were lower under that treatment. Estimated enteric methane emissions did not differ between treatments. In conclusion, faba bean-rapeseed intercrop can be an alternative to Italian ryegrass to feed dairy cows. The rations formulated with the intercrop silage have potential to improve the milk fatty acid content, and show healthier profiles for consumers. However, it would be useful to study the protein content of these crops to avoid possible excess urea in milk and to maintain sustainable milk yield and milk protein content.

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