References
- Abdelrahman, M. M. and R. L. Kincaid. 1995. Effect of selenium supplementation of cows on maternal transfer of selenium to fetal and newborn calves. J. Dairy Sci. 78:625-630. https://doi.org/10.3168/jds.S0022-0302(95)76673-5
- Batra, T. R. and M. Hidiroglou. 1993. The effect of selenium supplementation on plasma sulphur, magnesium and selenium profiles of dairy cows. Can. J. Anim. Sci. 73:997-1000. https://doi.org/10.4141/cjas93-103
- Fujihara, T., T. Matsui, S. Hayashi, A. Y. Robles, A. B. Serra, L. C. Cruz and H. Shimizu. 1992a Mineral status of grazing Philippine goats. 1. The nutrition of calcium, magnesium and phosphorus of goats in Luzon Island. Asian-Aus. J. Anim. Sci. 5:383-388. https://doi.org/10.5713/ajas.1992.383
- Fujihara, T., T. Matsui, S. Hayashi, A. Y. Robles, A. B. Serra, L. C. Cruz and H. Shimizu. 1992b. Mineral status of grazing Philippine goats. 2. The nutrition of selenium, copper and zinc of goats in Luzon Island. Asian-Aus. J. Anim. Sci. 5:389-395. https://doi.org/10.5713/ajas.1992.389
- Hidiroglou, M., J. Proulx and J. Jolette. 1987. Effect of intraruminally administered, selenium soluble-glass boluses on selenium status in cows and their calves. J. Anim. Sci. 65:815-820. https://doi.org/10.2527/jas1987.653815x
- Kendall, N. R., D. W. Jackson, A. M. Mackenzie, D. V. Illingworth, I. M. Gill and S. B. Telfer. 2001. The effect of zinc, cobalt and selenium soluble glass bolus on the trace element status of extensively grazed sheep over winter. Animal Science. 73:163-169. https://doi.org/10.1017/S135772980005815X
- Kott, R. W., J. L. Ruttle and G. M. Southward. 1983. Effects of vitamin E and selenium injections on reproduction and preweaning lamb survival in ewes consuming diets marginally deficient in selenium. Journal of Animal Science. 57:553-558. https://doi.org/10.2527/jas1983.573553x
- Langlands, J. P., G. E. Donald, J. E. Bowles and A. J. Smith. 1991. Subclinical selenium insufficiency. 1. Selenium status and the response in liveweight and wool production of grazing ewes supplemented with selenium. Aus. J. Exp. Agric. 31:25-31. https://doi.org/10.1071/EA9910025
- Maynard, L. A., J. K. Loosli, H. F. Hintz and R. G. Warner. 1979. Animal Nutrition (7th Ed.). McGraw-Hill Book Company, New York.
- McDowell, L. R. 1985. Nutrition of grazing ruminants in warm climates. Academic Press, Inc., San Diego.
- McDowell, L. R. 1992. Minerals in Animal and Human Nutrition. Academic Press, Inc., San Diego.
- Minson, D. J. 1990. Forage in Ruminant Nutrition. Academic Press, Inc., San Diego.
- NRC. 1981. Nutrient requirements of goats: angora, dairy, and meat goats in temperate and tropical countries. National Academy Press, Washington, DC.:5-8.
- NRC. 1985. Nutrient requirements of sheep. Sixth revised edition. National Academy Press, Washington, DC.:11-25.
- Orden, E. A., A. B. Serra, S. D. Serra, K. Nakamura, L. C. Cruz and T. Fujihara. 2000. Direct effects of copper and selenium supplementation and its subsequent effects on other plasma minerals, body weight and hematocrit count of grazing Philippine goats. Asian-Aus. J. Anim. Sci. 13:323-328. https://doi.org/10.5713/ajas.2000.323
-
Pancho, J. V. and S. R. Obien. 1995. Manual of Ricefield Weeds in he Philippines. Philippine rice research institute. Mu
$\~{n}$ oz, ueva Ecija, Philippines. - PCARRD. 1985. The Philippines recommends for goat farming. Philippine council for agriculture and resources research and development technical bulletin series NO. 24-A. Revised edition: 10-28.
- Serra, A. B., S. D. Serra, K. Nakamura, E. A. Orden, L. C. Cruz and T. Fujihara. 1996. Effect of selenium in soluble glass bolus on selenium content of milk and blood of goats. Biological Trace Element Research 55: 207-212. https://doi.org/10.1007/BF02784182
- Serra, A. B., S. D. Serra, E. A. Orden, L. C. Cruz, K. Nakamura and T. Fujihara. 1997. Variability in ash, crude protein, detergent fiber and mineral content of some minor plant species collected from pastures grazed by goats. Asian-Aus. J. Anim. Sci. 10:28-34. https://doi.org/10.5713/ajas.1997.28
- Steel, R. G. and J. H. Torrie. 1980. Principles and procedures of statistics: A biometrical approach (2nd Ed.). MacGraw-Hill Book Co., New York.
- Underwood, E. J. and N. F. Suttle. 1999. The mineral nutrition of livestock. 3rd edition. CABI publishing, Oxon, UK.
- Watkinson, J. H. 1966. Fluorometric determination of selenium in biological material with 2, 3 diaminonaphthalene. Anal. Chem. 38:92- 97. https://doi.org/10.1021/ac60233a025
- Webster, C. C. and P. N. Wilson. 1998. Agriculture in the tropics. Third edition. Blackwell Science Ltd., Oxford.
- White, C. L., T. K. Caldwalader, W. G. Hoekstra and A. L. Pope. 1989. Effects of copper and molybdenum supplements on the copper and selenium status of pregnant ewes and lambs. J. Anim. Sci. 67:803-809. https://doi.org/10.2527/jas1989.673803x
Cited by
- Effects of concentrate supplementation on blood mineral concentration of growing upgraded Philippine goats vol.75, pp.2, 2004, https://doi.org/10.1111/j.1740-0929.2004.00168.x
- Is Leucaena leaf useful as a selenium supplement for growing Philippine goats? vol.75, pp.5, 2004, https://doi.org/10.1111/j.1740-0929.2004.00208.x
- Effect of soluble glass bolus administration on the blood selenium concentration in grazing Philippine goats under backyard conditions vol.77, pp.6, 2006, https://doi.org/10.1111/j.1740-0929.2006.00391.x
- Effects of prepartum sustained-release trace elements ruminal bolus on performance, colustrum composition and blood metabolites in Najdi ewes vol.24, pp.10, 2017, https://doi.org/10.1007/s11356-017-8625-1