Reproductive Performance of Female Kacang Goats Supplemented by Mineral Under a Tethering Feeding System

Khalil, Khalil and Bachtiar, Andri and Evitayani, Evitayani (2019) Reproductive Performance of Female Kacang Goats Supplemented by Mineral Under a Tethering Feeding System. Tropical Animal Science Journal (TASJ), 43 (3). pp. 215-223. ISSN p-ISSN 2615-787X e-ISSN 2615-790X

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Abstract

Inadequate feed intake and nutrient supply are associated with the suboptimal reproductive performance of Kacang goats reared using a traditional tethering system in the Pariaman region of Indonesia. The objectives of this study were to (i) identify reproductive problems in tethered female Kacang goats, (ii) assess crude nutrient and mineral composition of feed consumed by tethered goats, and (iii) evaluate the beneficial effects of mineral supplementation on reproductive performance of tethered female Kacang goats. A field survey was carried out in Pariaman City and the Padang Pariaman Regency to collect data on reproductive performance as well as blood mineral and hematological profiles of tethered female Kacang goats. Forage and feed samples were collected and analyzed for dry matter (DM), crude protein (CP), and minerals (Ca, P, Mg, Fe, Cu, and Zn) contents. Feed was formulated with supplemented complete minerals in either block form or mixed with feed. A total of 15 young female Kacang goats received feed without supplement (P0, n=5), or mineral supplement with feed (P1, n=5), or in a manually prepared block lick (P2, n=5). Parameters measured included body weight, number of pregnant goats, blood mineral concentrations, hematological parameters, total protein concentrations, and progesterone concentrations. Results of the field survey showed that the age of maturity of female Kacang goats reared under a tethering system ranged between 5 and 9 months and the first kidding occurred between 12 and 23 months. The suboptimal reproductive performance of female Kacang goats raised using a tethering system was closely related to the inadequate feed intake and nutritional deficiency. Supplementation with minerals is an effective method to enhance nutritional status and health to increase pregnancy rate of tethered female Kacang goats.

Item Type: Article
Additional Information: the present study demonstrated that the reproductive performance of female Kacang goats raised using tethering systems could be optimized by supplying sufficient amounts of minerals. Our findings form a basis for improving the nutritional status of tethered goats, particularly when the quality and availability of forages and feed concentrates are limited. Results from this study contribute relevant information concerning the importance of minerals in reproduction and can be used to prevent and manage diseases associated with mineral deficiency in ruminants raised in small farms. These results will be of interest to researchers, goat farmers, and government agencies, by presenting methods to improve local goat productivity through the use of locally available minerals.
Uncontrolled Keywords: Keywords: Kacang goat; local mineral; tethering; reproduction
Subjects: S Agriculture > SF Animal culture
Divisions: Fakultas Peternakan
Depositing User: Mr Khalil K
Date Deposited: 30 Dec 2019 11:29
Last Modified: 30 Dec 2019 11:29
URI: http://repo.unand.ac.id/id/eprint/29162

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