Growth and eye muscle area of cross-bred Boer goats fed Desmanthus cultivar JCU 1 hay

Aoetpah, A., Gardiner, C., Gummow, B., and Walker, G. (2018) Growth and eye muscle area of cross-bred Boer goats fed Desmanthus cultivar JCU 1 hay. Animal Production Science, 58. 2563. xxxvi-xxxvi.

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Abstract

The objective of the present study was to compare rate of liveweight gain and accretion of eye muscle determined at the 12th rib of twenty female Boer goats (19.84±2.21 kg) fed RGH supplemented with either urea, urea + CSM, CSM or only fed Desmanthus (cultivar JCU 1) hay over 138 days. All diets supplied sufficient crude protein, RDP and minerals to maintain normal rumen function at high levels of DMI (NRC 2007). The Desmanthus diet resulted in the highest total dry matter intake (DMI), crude protein intake (CPI) and metabolisable energy intake (MEI) while the diet supplemented with urea produced the lowest total DMI, CPI and MEI (Table 1). The diets supplemented with urea + CSM or CSM showed intermediate values for total DMI, CPI and MEI. The rates of liveweight gain across all diets were consistent with those predicted by NRC (2007) based on metabolisable energy intake for a 20-kg Boer goat. Importantly, once requirements of the rumen for RDP (and minerals) are met, diets with the most UDP in dry matter (CSM and Desmanthus) supported the highest dry matter intakes, rates of liveweight gain and eye muscle area.

Item ID: 58435
Item Type: Article (Abstract)
ISSN: 1836-5787
Copyright Information: Presented at: Animal Production 2018: 32nd Biennial Conference of the Australian Society of Animal Production, 2-4 July 2018, Wagga Wagga, NSW Australia.
Date Deposited: 28 Aug 2019 01:47
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0702 Animal Production > 070202 Animal Growth and Development @ 100%
SEO Codes: 83 ANIMAL PRODUCTION AND ANIMAL PRIMARY PRODUCTS > 8304 Pasture, Browse and Fodder Crops > 830406 Sown Pastures (excl. Lucerne) @ 100%
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