Utilização de soja integral tostada na dieta de vacas em lactação, em pastagem de coastcross (Cynodon dactylon, L. Pers.)

Vilela, Duarte; Matos, L. L. de; Alvim, M. J.; Matiolli, João Batista

doi:10.1590/s1516-35982003000500027

Cited by 6 publications

(6 citation statements)

References 16 publications

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“…On the other hand, Vilela et al (2003) observed an increase in the milk fat content when they replaced soybean meal by roasted soy beans in diets for high-yield cows. According to these authors, this accrual is because the process of roasting whole soy beans increases the digestibility of the fatty acids in the gastrointestinal tract of lactating cows and the use of roasted whole soybean elevated the polyunsaturated fatty acid content of the milk fat as compared with the animals which received soybean meal.…”

Section: Discussionmentioning

confidence: 99%

Soybean in different forms of processing in the feeding of crossbred cows on brachiaria grass pastures

et al. 2015

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-The objective was to evaluate intake and digestibility of nutrients, as well as milk production and composition of the milk from F1 Holstein × Gyr cows kept on pasture, supplemented with sugarcane and concentrate (28% CP). Five cows with 150±14 lactation days and average milk production of 7.1±2.1 kg/day were distributed in a 5 × 5 Latin square design. The treatments were: soybean meal-based concentrate; soy bean-based concentrate; ground soybean-based concentrate; roasted soybean-based concentrate; and ground, roasted soybean-based concentrate. Dry matter (DM), organic matter, crude protein (CP), neutral detergent fiber (NDF), total carbohydrates and total digestible nutrients intakes were not affected by the diet, but ether extract intake was higher for the animals fed soy bean-based diets than those fed soybean meal. The digestibility of DM, NDF and CP did not differ. The corrected milk yield differed between treatments; animals on the treatment with soy bean-based concentrate had the lowest production in relation to the others, which did not differ from each other. There was no difference between treatments for milk composition. Thus, soybean meal can be replaced by ground soy beans or roasted soy beans (ground or whole) in diets for low-yield cows reared on Brachiaria decumbens pastures with no harm to milk production or composition. Therefore, the use of these alternative raw materials is recommended whenever their inclusion represents lower feeding costs.

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Section: Discussionmentioning

confidence: 99%

Soybean in different forms of processing in the feeding of crossbred cows on brachiaria grass pastures

et al. 2015

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“…Embrapa Dairy Cattle has been developing researches (Alvim et al, 1997(Alvim et al, , 1999Mota et al, 2004;Vilela et al, 1996Vilela et al, , 2002Vilela et al, , 2003aVilela et al, , b, 2004 in which was sought to define the best management for this grass species considering the intensive production of milk in pasture with high productive potential animals. The results have been promising, achieving stocking rate from 5 to 7 cows / ha, with daily production of milk up to 104 kg / ha.…”

Section: Introductionmentioning

confidence: 99%

Performance of holsteins cows in pasture of Cynodon dactylon cv. Coast-cross supplemented with concentrate

Cardoso¹,

Paiva

Vilela³

2009

Ciênc. agrotec.

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The work was developed in the experimental station of Embrapa Gado de Leite (Dairy Cattle Embrapa), in Coronel Pacheco, in Zona da Mata Region of Minas Gerais, with the purpose of evaluating the productive performance of Holstein cows kept on 'Coast-cross' (Cynodon dactylon (L.) Pears) pasture, fertilized, strategically irrigated and where the cows were daily supplemented with 3 or 6 kg of concentrate/cow/day. The data were collected during three years (October/2000 to October/2003), involving 108 lactations. An experimental randomized block design with two replicate areas per treatment was adopted, with nine animals per area and eighteen animals per treatment being utilized, with fixed stocking rate of five cows/ha. The system of grazing, under rotated stocking, with one day occupation of the enclosures (piquetes) and 25 and 35 days rest in the rainy and dry seasons, respectively was used. The pasture was irrigated in the months of lowest rainfall and fertilized with NPK broadcast at six applications/year. The availability of dry matter of the pasture was 7,280 kg/ha and 6,167 kg/ha in early grazing, with the post-grazing waste stubble of 4,885 kg/ha and 3,994 kg/ha, in the rainy (Spring/Summer) and dry (Fall/Winter) seasons, respectively. During part of the experimental period, a few morphogenic characteristics of the pasture were evaluated, recording availability of 83.9; 125.6 and 89.5 kg of DM of leaf blades/ha/day, on spring, summer and fall, respectively. The daily averages of milk production per cow were 15.57 and 18.80 kg/ day with 3.5% of fat and per area 77.80 and 94.00 kg/ha, when 3 or 6 kg of concentrate/cow/day were fed, respectively. It was concluded that supplemented and managed 'Coast-cross' pasture adequately enables high milk production per animal and per area, as quantitatively and qualitatively adequate for milk production.

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“…Poucas informações sobre as características morfogênicas e estruturais de gramíneas em condições tropicais estão disponíveis na literatura. As forrageiras do gênero Cynodon reúnem características nutricionais e produtivas que permitem elevadas produções por animal e por área (Vilela & Alvim, 1996,1998Alvim et al, 1997Alvim et al, , 1999Vilela et al, 2002Vilela et al, , 2003. Daí a importân-cia de se realizar medições detalhadas dos componentes de crescimento da pastagem, a fim de se obter melhoria na eficiência de utilização das pastagens.…”

Section: Introductionunclassified

Morfogênese e acúmulo de forragem em pastagem de Cynodon dactylon cv. coastcross em diferentes estações de crescimento

et al. 2005

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O experimento foi realizado para se estimar as características morfogênicas e estruturais e a taxa de acúmulo de matéria seca (MS) de lâminas foliares em uma pastagem de Cynodon dactylon cv. coastcross, manejada em sistema de lotação rotacionada com vacas em lactação. As avaliações foram realizadas na primavera (outubro-novembro), no verão (fevereiro-março) e no outono (maio-junho). O estudo foi conduzido em delineamento de casualização completa, com seis repetições. Durante o período de descanso do piquete, os perfilhos do capim foram identificados para observações e registros de alongamento, aparecimento e senescência foliares. Foram contados perfilhos em área de 0,09 m², para estimativa da densidade populacional. A taxa de acúmulo líquido de MS de lâminas foliares/área foi obtida multiplicando-se o acúmulo de MS/perfilho pelo número de perfilhos/área. A taxa de alongamento foliar foi mais alta no verão, enquanto a taxa de aparecimento foliar e o número de folhas/perfilho foram mais elevados na primavera. O número de perfilhos não variou com a estação, apresentando valor médio de 2.770/m². A taxa de senescência foi, em média, de 2,44 mm/dia na primavera, não havendo senescência de folhas durante o verão e o outono. A taxa de acúmulo de MS de lâminas foliares foi mais alta no verão e apresentou estreita relação com a taxa de alongamento e com o tamanho da folha. O uso da taxa de alongamento foliar e da densidade de perfilhos para obtenção das taxas de acúmulo de MS de lâminas foliares/ha superestimou os valores.

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Utilização de soja integral tostada na dieta de vacas em lactação, em pastagem de coastcross (Cynodon dactylon, L. Pers.)

Cited by 6 publications

References 16 publications

Soybean in different forms of processing in the feeding of crossbred cows on brachiaria grass pastures

Soybean in different forms of processing in the feeding of crossbred cows on brachiaria grass pastures

Performance of holsteins cows in pasture of Cynodon dactylon cv. Coast-cross supplemented with concentrate

Morfogênese e acúmulo de forragem em pastagem de Cynodon dactylon cv. coastcross em diferentes estações de crescimento

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