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Study Of Factors Affecting Quality Of Silage As A Component Of Total Mixed Ration On Growth And Production Performance In Nili-Ravi Buffaloes

By: Rafi-Uddin (2004-VA-152) | Prof. Dr. Muhammad Abdullah.
Contributor(s): Prof. Dr. Khalid Javed | Prof. Dr. Makhdoom Abdul Jabbar.
Material type: materialTypeLabelBookPublisher: 2016Description: 100p.Subject(s): Department of Livestock Production | Livestock Management | Phd. ThesesDDC classification: 2590-T Dissertation note: Silage production is at initial stages to be a part of animal agriculture in Pakistan. The lack of research on silage making and its benefits for livestock production under local conditions is an important factor for slow propagation of silage in our country. Under such scenario a multi-step study was conducted. At first, the effect of proper maturity stage for harvesting different fodders was investigated, and then the effects of silo type and silage additives were assessed on silage quality. In last part of the study the feeding trials were conducted on growing calves and lactating buffalo to evaluate the effect of silage feeding on growth and milk production respectively. In all the three fodders i.e. oats, maize and sorghum, the full bloom stage for harvesting produced the best results regarding silage quality and fermentation characteristics. Although the trench silo produced best results regarding fermentation characteristics and silage quality, the expected operational cost and dry matter losses during face management for trench silo would make it harder for farmers to adopt. Under such circumstances, for long term use the bunkers would be a good choice for silage making with comparable silage quality as that of trench silo. Silage inoculants certainly improved the silage quality and it is highly recommended to use such additives for silage making and these additives are not that costly. Buffalo calves raised on fresh corn fodder and three different silages showed similar daily weight gain. Further growth trials on buffalo calves with varying levels of concentrate feeding along with silage are suggested to investigate silage feeding in calves. Corn silage fed lactating buffaloes had lower dry matter intake and total milk yield, but higher total solids as compared to fresh fodder feeding. The future studies of silage feeding compared to different inclusion levels of fresh and dry roughage sources would add further to explore the economic implications of silage feeding.
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Silage production is at initial stages to be a part of animal agriculture in Pakistan. The lack of research on silage making and its benefits for livestock production under local conditions is an important factor for slow propagation of silage in our country. Under such scenario a multi-step study was conducted. At first, the effect of proper maturity stage for harvesting different fodders was investigated, and then the effects of silo type and silage additives were assessed on silage quality. In last part of the study the feeding trials were conducted on growing calves and lactating buffalo to evaluate the effect of silage feeding on growth and milk production respectively.
In all the three fodders i.e. oats, maize and sorghum, the full bloom stage for harvesting produced the best results regarding silage quality and fermentation characteristics. Although the trench silo produced best results regarding fermentation characteristics and silage quality, the expected operational cost and dry matter losses during face management for trench silo would make it harder for farmers to adopt. Under such circumstances, for long term use the bunkers would be a good choice for silage making with comparable silage quality as that of trench silo. Silage inoculants certainly improved the silage quality and it is highly recommended to use such additives for silage making and these additives are not that costly. Buffalo calves raised on fresh corn fodder and three different silages showed similar daily weight gain. Further growth trials on buffalo calves with varying levels of concentrate feeding along with silage are suggested to investigate silage feeding in calves. Corn silage fed lactating buffaloes had lower dry matter intake and total milk yield, but higher total solids as compared to fresh fodder feeding. The future studies of silage feeding compared to different inclusion levels of fresh and dry roughage sources would add further to explore the economic implications of silage feeding.

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