Strategic supplementation of cassava top silage to enhance rumen fermentation and milk production in lactating dairy cows in the tropics |
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| Authors: | Metha Wanapat Kampanat Phesatcha Bounnaxay Viennasay Burarat Phesatcha Thiwakorn Ampapon Sungchhang Kang |
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| Affiliation: | 1.Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture,Khon Kaen University,Khon Kaen,Thailand;2.Department of Animal Science, Faculty of Agriculture and Technology,Nakhon Phanom University,Nakhon Phanom,Thailand;3.National Institute of Education,Phnom Penh,Kingdom of Cambodia |
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| Abstract: | High-quality protein roughage is an important feed for productive ruminants. This study examined the effects of strategic feeding of lactating cows with cassava (Manihot esculenta) top silage (CTS) on rumen fermentation, feed intake, milk yield, and quality. Four early lactating crossbred dairy cows (75% Holstein-Friesian and 25% Thai) with body weight (BW) 410?±?30 kg and milk yield 12?±?2 kg/day were randomly allotted in a 4?×?4 Latin square design to four different supplementation levels of CTS namely, 0, 0.75, 1.50, and 2.25 kg/day of dry matter (DM). Strategic supplementation of CTS significantly affected ruminal fermentation end-products, especially increased propionate production, decreased protozoal population and suppressed methane production (P?P?
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