Milk production and reproduction of dual-purpose cows with a restricted concentrate allowance and access to an association of<i>Leucaena leucocephala</i>and<i>Cynodon nlemfuensis</i>

Peniche-González, I. N.; González-López, Zabdi U.; Aguilar-Pérez, Carlos Fernando; Kú-Vera, Juan Carlos; Ayala-Burgos, A. J.; Solorio‐Sánchez, Francisco Javier

doi:10.1080/09712119.2013.875902

Cited by 14 publications

(13 citation statements)

References 17 publications

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“…Content of ME was 1.9 Mcal·Kg -1 DM in C. plectostachyus, a value that is common in tropical grasses that have limited availability of energy (3) . Similar values were reported for this grass (18) . In turn, Leucaena provided 2.…”

Section: Resultssupporting

confidence: 78%

“…These values are similar to those reported by Peniche-González et al (18) , who found an availability of 1692±766 and 1797±617.7 Kg DM·ha -1 for stargrass in dry and rainy seasons, respectively in an ISS in Mexico. On the other hand, L. leucocephala availability differed among grazing strips (82 to 939 Kg DM·ha -1 ).…”

Section: The Nutritional Balance Of Early Lactation Dairy Cows Grazinsupporting

confidence: 81%

“…In turn, Leucaena provided 2. (18) . Besides greater energy intake, the presence of Leucaena in the diet often leads to increased diet digestibility, due to greater specific gravity that leads to faster ruminal rate of passage (3) as L. leucocephala has a low content of NDF (29.1%).…”

Section: Resultsmentioning

confidence: 99%

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The Nutritional Balance of Early Lactation Dairy Cows Grazing in Intensive Silvopastoral Systems

2017

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A study was carried out to estimate the balance of metabolizable protein (MP), metabolizable energy (ME), calcium, and phosphorus in 12 recently calved (RC) and early lactation (EL, 42 -50 days after calving) Gyr x Holstein dairy cows grazing in a Leucaena leucocephala and Cynodon plectostachyus intensive silvopastoral system (ISS) and receiving energy and protein supplementation. Dry matter (DM) availability from the grazing paddocks, nutrients offered and their balance were estimated. On average, the available forage DM per animal.day -1 was 44.7 kg for C. plectostachyus and 11.8 kg for L. leucocephala. EL cows had greater requirements of MP, ME, and minerals than RC cows. In RC cows, ME, MP, and mineral requirements were supplied by the total diet, while EL cows exhibited a negative energy balance. For both RC and EL cows, ME was the limiting dietary factor, whereas MP and P were found to be in excess. If cows were only to receive ISS forages with no supplementation, estimated daily milk yield would be 10 and 12 litters for RC and EL cows, respectively. Under tropical conditions, based on ISS forage intake, RC and EL cows can meet most of their ME, MP, calcium, and phosphorous requirements. Keywords: energy balance; Leucaena leucocephala; nutrient requirements; phosphorus balance; protein balance. ResumoUm estudo foi realizado para estimar o equilíbrio de proteína metabolizável (PM), energia metabolizável (EM), cálcio e fósforo em 12 vacas Gyr x Holandesa recém-paridas (RP) e início da lactação (IL, 42-50 dias após o parto), pastando em um sistema silvipastoril intensivo (SSI) com Leucaena leucocephala e Cynodon plectostachyus e recebendo suplementação energética e protéica. A disponibilidade da matéria seca (MS) dos piquetes de pastagem, nutrientes oferecidos e seu equilíbrio foram estimados. A oferta de forragem média (kg MS) por animal.dia -1 foi 44,7 de C. plectostachyus e 11,8 de L. leucocephala. Vacas IL tiveram maiores exigências da MP, ME e minerais que vacas RP. Em vacas RP, requisitos da EM, PM e minerais foram fornecidos pela dieta total, enquanto vacas IL exibiram um balanço energético negativo. Tanto para vacas de RP e IL, EM foi o fator limitante da 2 Cienc. anim. bras., Goiânia, v.18, 1-12, e-40419, 2017The nutritional balance of early lactation dairy cows grazing in… dieta, enquanto que PM e P foram encontrados em excesso. Se as vacas recebessem apenas forragem SSI sem suplementação, a produção de leite diária estimada seria de 10 e 12 litros para as vacas RP e IL. Em condições tropicais, com base no consumo de forragem em SSI, vacas RP e IL podem ter a maioria das suas necessidades de EM, PM, cálcio e fósforo atendidas. Palavras-chave: balanço de energia; balanço de fósforo; balanço da proteína; Leucaena leucocephala; necessidades de nutrientes.

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Section: Resultssupporting

confidence: 78%

Section: The Nutritional Balance Of Early Lactation Dairy Cows Grazinsupporting

confidence: 81%

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The Nutritional Balance of Early Lactation Dairy Cows Grazing in Intensive Silvopastoral Systems

2017

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“…Concerning to milk fat, protein, and lactose, similar results were found in a previous study with similar experimental conditions by Peniche-González et al (2014). Those authors suggested that the absence of difference in milk composition between treatments could have been due to a similar supply of milk precursors to the mammary gland of the cows.…”

Section: Milk Compositionsupporting

confidence: 76%

Evaluation of milk composition and fresh soft cheese from an intensive silvopastoral system in the tropics

Mohammed

Aguilar-Pérez

Ayala-Burgos

et al. 2015

Dairy Sci. & Technol.

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Intensive silvopastoral system (ISS) is a successful sustainable grazing system for dual-purpose cattle with growing adoption in the tropics; however, there is a concern on the quality of dairy products from this system. The aim of this study was to compare the ISS with the traditional monoculture system (MS) in terms of milk composition, soft cheese composition and yield, and the sensory acceptability of cheese during two seasons of a tropical area in Mexico. Twenty-four cows at the first 3 months postpartum were allocated evenly to two groups. The cows in ISS grazed in paddocks of Leucaena leucocephala associated with Cynodon nlemfuensis whereas the cows in MS grazed in C. nlemfuensis. Milk samples were collected weekly during the rainy and dry seasons for chemical analysis and fresh soft cheese making. The cheese was analyzed chemically, and cheese acceptability was evaluated for the sensory attributes of appearance, texture, flavor, color, and overall acceptability. Milk percentages of fat, protein, SNF, and lactose did not differ significantly between systems being, 3.5, 3.0, 8.1, and 4.4 in ISS and 3.6, 2.9, 8.0, and 4.4 in MS, respectively. Similar results were obtained for cheese content of fat/DM and protein/DM. In the rainy season, adjusted cheese yield from ISS (24.2%) was higher compared with MS (20.8%). Cheese texture in the dry season showed more acceptability for ISS. This study provide absence of adverse effect of ISS on milk and cheese composition; moreover, ISS improve the yield and acceptability of soft cheese.

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“…In this context, Peniche‐González et al. () attributed the lack of differences in milk content of fat, protein and lactose to similar supply of milk precursors to the mammary gland when the cows grazed in stargrass only or the association leucaena/stargrass. Milk pH values in the two systems appear to be normal for fresh milk (from 6.5 to 6.8) as reported by Fox and McSweeney ().…”

Section: Discussionmentioning

confidence: 99%

Effect of grazing cows in an intensive silvopastoral system with Leucaena leucocephala on Panela cheese properties: yield, composition, fatty acid profile and sensory acceptability

Moneeb

Aguilar-Pérez

Ayala-Burgos

et al. 2019

Animal Science Journal

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Yield, chemical composition, fatty acid profile, and sensory acceptability of Panela cheese produced from cows grazing in an intensive silvopastoral system (ISS) with Leucaena leucocephala and Cynodon nlemfuensis were evaluated and compared with Panela cheese from cows grazing a monoculture system (MS) of C. nlemfuensis only. The experiment lasted for 9 weeks in a tropical area in Mexico using ten crossbred cows (30–90 days of milking) assigned homogenously as five cows in each experimental group. No significant differences were found between the two systems for milk and cheese gross composition. Panela cheese from ISS showed lower content of the hypercholesterolemic fatty acids, accompanied with higher content of omega‐3, omega‐6 and polyunsaturated fatty acids. In addition, Panela cheese from ISS showed higher preference for the attributes of appearance, texture, flavor, and overall acceptability. It is concluded that Panela cheese from cows grazing in ISS has better acceptability and nutritional properties than that produced from MS with grass only.

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Milk production and reproduction of dual-purpose cows with a restricted concentrate allowance and access to an association ofLeucaena leucocephalaandCynodon nlemfuensis

Cited by 14 publications

References 17 publications

The Nutritional Balance of Early Lactation Dairy Cows Grazing in Intensive Silvopastoral Systems

The Nutritional Balance of Early Lactation Dairy Cows Grazing in Intensive Silvopastoral Systems

Evaluation of milk composition and fresh soft cheese from an intensive silvopastoral system in the tropics

Effect of grazing cows in an intensive silvopastoral system with Leucaena leucocephala on Panela cheese properties: yield, composition, fatty acid profile and sensory acceptability

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