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Livestock Research for Rural Development, Volume 33, Number 5, May 2021
ISSN 0121-3784

Editorial

In this issue of LRRD, we review the steps in the research that began with the demonstration that brewers' spent grains had prebiotic properties protecting cattle against cassava (cyanide) toxicity. This focused attention on the byproduct from artisan rice wine production, and the demonstration that at low levels (4% of the diet), it reduced enteric methane emissions by 20%. The final outcome was the simulation of the rice wine byproduct by simple yeast fermentation of polished rice (or cassava root).

Contents

Papers:

  1. Yeast (Saccharomyces cerevisiae) fermentation of polished rice or cassava root produces a feed supplement with the capacity to modify rumen fermentation, reduce emissions of methane and improve growth rate and feed conversion; T R Preston, R A Leng, Yanelys Garcia, Phuong Thuy Binh, Sangkhom Inthapanya and Maria E Gomez

  2. The phytobiotic effect of herbs as a growth promoter on the performance and digestibility of alabio meat ducks; D Biyatmoko, Juhairiyah, B Prasetio, U Santoso and T Rostini

  3. Effects of dietary supplementation levels of coconut oil in crossbred Noi chicken on nutrient intake, growth performance, carcass values; Nguyen Thi Kim Dong and Nguyen Van Thu

  4. Conception rate of Bos taurus x Bos indicus beef cows subjected to a fixed-time artificial insemination program; F Centurión-Castro, J Armenta-Carmona, A Díaz-Aguilar, R Delgado-León, J G Magaña-Monforte and J C Segura-Correa (In spanish)

  5. Effect of dried tomato waste meal on growth performance and carcass characteristics of Cobb 500 broiler chicks; Seid Aragaw, Mengistu Urge, Tesfaheywet Zeryehun and Fethu Lemma

  6. Why haven’t silvopastoral system expanded in Brazil?; Simón Pérez Márquez, Vagner S Ovani, Adibe Luiz Abdalla and Rogério Martins Maurício

  7. Effect of pellet mill and binder on durability and economics of production of Cassava-Gliricidia pellets; O A Dada and O A Olorunnisomo

  8. A study of in vitro and in vivo greenhouse gas emissions, digestion, rumen environment and nitrogen retention of growing crossbred cattle supplemented by Catfish oil; N V Thu and N T K Dong

  9. Effect on oxalate concentration in taro (Colocasia esculenta (L.) Schott var. ant quorum) of planting in sandy or clay soils, and of traditional ways of cooking the corms; Du Thanh Hang, Than Thi Thanh Tra and Ho Le Quynh Chau

  10. Heat stroke impact on reproduction of Hamra ewes in a semi-arid sub-mediterranean zone; H Yerou, A Homrani, M Rehal, H Ouldoulhadj and B Koudad (In french)

  11. Evaluation of the genetic diversity of the Zungo creole pig by pedigree analysis; R J Ocampo-Gallego and J Y Abuabara-Pérez (In spanish)

  12. Post-weaning growth of Ouled Djellal male lambs led in extensive breeding in Algeria; F Djellal, A Mouhous, H Guermah and S A Kadi (In french)

  13. Acceptability and consumption pattern in pregnant pig fed with Moringa oleifera Lam forage meal; L E Rivero, J Ly, M Castro, L Ayala and Y Caro (In spanish)

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