Studies on monthly variation in fodder quality of bamboo ( (( ( Phyllostachys bambusoides Phyllostachys bambusoides Phyllostachys bambusoides Phyllostachys bambusoides Siebold & Zucc.) leaves SSiieebboolldd && ZZuucccc..)) lleeaavveess Siebold & Zucc.) leaves and its inclusion in the ration of crossbred heifers aanndd iittss iinncclluussiioonn iinn tthhee rraattiioonn ooff ccrroossssbbrreedd hheeiiffeerrs s and its inclusion in the ration of crossbred heifers
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Date
2016
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UHF,NAUNI
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ABSTRACT
The present investigation entitled “Studies on monthly variation in fodder quality of bamboo (Phyllostachys bambusoides Siebold & Zucc.) leaves and its inclusion in the ration of crossbred heifers” was carried out in the dairy farm and laboratory of Department of Silviculture and Agroforestry, Dr. Y.S. Parmar University of Horticulture and Forestry, Nauni, Solan (H.P.) during 2015-2016 with the objectives to study the monthly variation in the nutritive value of leafy fodder of Phyllostachys bambusoides and to study the effect of Phyllostachys bambusoides leaves feeding on the growth performance and haemotological profile of crossbred heifers. The composite samples of the Phyllostachys bambusoides leaves were collected at a regular monthly interval in the month of October to March to assess the monthly variation in different nutritional parameters of Phyllostachys bambusoides leaves. To study the effect of Phyllostachys bambusoides leaves feeding on growth performance of the crossbred heifers a total of 12 cross bred heifers (1-2 yr) from the dairy section of UHF Nauni were divided into two equal groups on the basis of body weight, having 6 animals in each group. The feeding trail or growth trial of 4 months was conducted at dairy farm of UHF Nauni. The animals of treatment group were supplemented with Phyllostachys bambusoides @ 10% of dry matter intake/animal/day in the morning. All the animals under experiment were weighed and blood samples were collected before the beginning of feeding trial and subsequently on fortnightly interval to assess the changes in live weight and hematological profile. The present study revealed that the nutritional attributes of leaves of Phyllostachys bambusoides varied markedly among different months of leaves collection. The dry matter (38.20 to 56.14%), crude fibre (18.90 to 25.79%), NDF (66.06 to 71.63%), ADF (43.77 to 49.95%), total ash (12.09 to 14.00%), acid insoluble ash (4.10 to 4.49%) and calcium (1.11 to 2.01%) increased with the maturity of Phyllostachys bambusoides leaves from October to March. While, crude protein (17.63 to 14.45%), ether extract (4.67 to 2.17%), nitrogen free extract (46.71 to 43.59%), phosphorus (0.33 to 0.09%), tannin content (1.39 to 0.71%) and HCN content (48.35 to 23.58 mg/100g) decreased with the maturity of Phyllostachys bambusoides leaves from October to March. The weight gain (31.28Kg) and average daily gain (260.66gm) was recorded in the treatment group as compare to the weight gain (26.47Kg) and average daily gain (220.58gm) of control group. Mean Hb concentration was higher in crossbred heifers of treatment group (10.57 g/dl) as compared to the crossbred heifers of control group (10.47g/dl). Mean blood glucose and blood total protein level was higher in the treatment group (44.37 mg/dl and 73.89 g/litre) of animals as compared to the control group (43.98 mg/dl and 73.05 g/litre). While the mean blood creatinine and blood urea level was higher in control group (118.12 µmol/litre and 5.69 mmol/litre) as compared to the treatment group (117.47 µmol/litre and 5.53 mmol/litre).The study concluded that there was significant monthly variation was observed in the nutritive value of Phyllostachys bambusoides leaves with the maturity of leaves from October to March. Phyllostachys bambusoides leaves feeding @ 10% of dry matter intake/animal/day did not have any adverse effect on the growth performance and haematological profile of the crossbred heifers and the values of different parameters were well within the normal physiological range of the species.
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